Best PC Power Supplies with 10 Year Warranty in 2026: 15 Picks Ranked by Specs
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A reliable PC power supply with 10 Year Warranty protects your hardware investment through multiple build cycles. This guide evaluates 15 models based strictly on specifications published on the listings. The MSI MAG 850W Fully Modular ATX Power Supply leads the group because it integrates ATX 3.1 standards, PCIe 5.1 readiness, and a 12V-2x6 connector into an 850W 80 Plus Gold platform.
Reviewing these specs helps you choose the optimal wattage, modular cabling layout, and efficiency level for your desktop system.
Quick picks
The best fit for you
- You build a modern gaming rig requiring PCIe 5.1 MSI MAG 850W Fully Modular ATX Power Supply It provides native ATX 3.1 support, a 12V-2x6 connector, and 850 watts of 80 Plus Gold power.
- You assemble a compact small-form-factor PC build EVGA SuperNOVA 850 GM SFX Power Supply Its SFX form factor fits tight enclosures while delivering 850 watts of fully modular power.
- You need massive capacity with 80 Plus Titanium efficiency ASUS ROG Thor Titanium III 1600W ATX 3.1 PSU It provides 1600 watts of ATX 3.1 output paired with top-tier 80 Plus Titanium efficiency.
- You build a mid-range PC needing modest wattage EVGA SuperNOVA GA 650W Power Supply This unit supplies 650 watts of fully modular 80 Plus Gold power for lower-draw systems.
Our 15 picks
MSI MAG 850W Fully Modular ATX Power Supply
Best for: modern PCIe 5.1 gaming PC builds
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
This MSI MAG power supply delivers 850 watts of power with an 80 Plus Gold efficiency rating. It features a fully modular layout and an ATX 3.1 standard with PCIe 5.1 support, including a dedicated 12V-2x6 connector for modern graphics cards. A 10-year warranty covers the unit for long-term reliability. This unit fits your build if you need reliable ATX power for a modern gaming setup without unneeded extra cabling.
Pros
- 10-year warranty coverage
- ATX 3.1 and PCIe 5.1 support
- Dedicated 12V-2x6 connector
- Fully modular cabling
- 80 Plus Gold efficiency rating
Cons
- Capacity limited to 850W
- Efficiency rated at Gold instead of Platinum or Titanium
Good fit if
- You want an 850W power supply backed by a 10-year warranty.
- You need native PCIe 5.1 and 12V-2x6 GPU connectivity.
- You prefer fully modular cables to simplify your PC build.
Skip if
- You need more than 850 watts for multi-GPU or extreme-power hardware.
- You require an efficiency rating higher than 80 Plus Gold.
Verdict: MSI MAG 850W ATX 3.1 Power Supply pairs contemporary PCIe 5.1 support and a 10-year warranty with fully modular cabling. It delivers 850 watts of 80 Plus Gold efficiency for modern gaming rigs.
ASUS ROG Thor 1200W Platinum II
Best for: high-power builds needing quiet Platinum-rated efficiency
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 1200W
- Efficiency Rating
- 80+ Platinum
- Fan Size
- 135mm
- Dimensions
- 7.4 × 5.9 × 3.3 inches
- Weight
- 11 pounds
The ASUS ROG Thor 1200W Platinum II provides high-wattage power delivery backed by a 10 Year Warranty. It features an 80 Plus Platinum efficiency rating, Lambda A++ acoustic certification, and custom ROG heatsinks. Cooling is handled by a 135mm PWM fan with a 0dB mode for silent operation. At 7.4 inches long and 11 pounds, you get a heavy-duty unit tailored for demanding builds.
Pros
- 80 Plus Platinum efficiency rating
- 10 Year Warranty coverage
- Lambda A++ noise certification
- 135mm PWM fan with 0dB mode
- Equipped with ROG heatsinks
Cons
- Long 7.4-inch chassis requires extra case clearance
- Substantial weight at 11 pounds
Good fit if
- You need 1200W of power with 80 Plus Platinum efficiency.
- You want quiet operation verified by Lambda A++ certification and a 0dB fan mode.
- You require the long-term protection of a 10 Year Warranty.
Skip if
- You have a compact case that cannot clear a 7.4-inch power supply.
- You prefer a lightweight unit under 11 pounds.
Verdict: ASUS ROG Thor 1200W Platinum II pairs 80 Plus Platinum efficiency with Lambda A++ acoustic performance and a 10 Year Warranty. Its 7.4-inch footprint and 11-pound weight require a chassis with ample mounting room.
EVGA SuperNOVA G2 1300W Fully Modular PSU
Best for: high-wattage multi-GPU gaming and workstation systems
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 1300W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Dimensions
- 7.4 × 12 × 11.2 inches
The EVGA SuperNOVA 1300W Gold Power Supply delivers high-capacity power for demanding multi-GPU workstations and gaming systems. You get 1300W of total output backed by an 80 PLUS Gold rating, reaching up to 90% efficiency under typical loads. Its fully modular cabling keeps your case organized, while a 140mm double ball bearing fan provides cooling. A 10-year warranty covers your hardware investment alongside standard protections like OVP, UVP, and SCP.
Pros
- 1300W output with 80 PLUS Gold efficiency
- 10-year warranty coverage
- Fully modular cable system
- 140mm double ball bearing cooling fan
- Comprehensive OVP, UVP, OCP, OPP, and SCP protections
Cons
- Requires using included cables rather than third-party options
- Heavier unit at 8 pounds
Good fit if
- You run power-intensive setups requiring up to 1300W of continuous power.
- You prioritize full modularity and a long 10-year warranty term.
- You need hardware support for multi-GPU SLI or Crossfire configurations.
Skip if
- You want to use custom third-party modular cables.
- You require a lightweight power supply for a compact build.
Verdict: EVGA SuperNOVA 1300W Gold Power Supply delivers reliable high-wattage output, 80 PLUS Gold efficiency, and full modularity for demanding systems. Its extensive built-in electrical protections and 10-year warranty provide durable long-term operation.
EVGA Supernova 1000 P2 Platinum Power Supply
Best for: High-demand multi-GPU PC builds
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 1000W
- Efficiency Rating
- 80 PLUS Platinum
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Dimensions
- 7.8 × 6 × 3.3 inches
View on Amazon: EVGA Supernova 1000 P2 Platinum Power Supply
The EVGA SuperNOVA 1000 P2 is a fully modular 1000W power supply built with 100% Japanese capacitors and backed by a 10-year warranty. It carries an 80 PLUS Platinum certification, delivering up to 92% efficiency under typical 115V loads. A 140mm double ball bearing fan with an ECO mode handles cooling. You get ample wattage and high electrical efficiency suited for dual-GPU systems or demanding high-load PC builds.
Pros
- 80 PLUS Platinum efficiency (up to 92% at 115VAC, 94% at 230VAC)
- 100% Japanese capacitors for internal component reliability
- Fully modular cabling to reduce clutter and maintain airflow
- 140mm double ball bearing fan equipped with ECO mode
- 10-year manufacturer warranty
Cons
- Long 7.8-inch housing requires a chassis with ample depth
- Heavier chassis at over 4.4 pounds
Good fit if
- You run a high-demand PC build requiring 1000W of fully modular power.
- You prioritize 80 PLUS Platinum electrical efficiency with Japanese capacitors.
- You have a PC case that comfortably fits a 7.8-inch long power supply unit.
Skip if
- You use a compact PC case with restricted PSU clearance.
- You have a moderate, single-GPU system that does not require 1000W of power.
Verdict: EVGA SuperNOVA 1000 P2 1000W Platinum PSU provides 80 PLUS Platinum efficiency, heavy-duty Japanese capacitors, and a 10-year warranty for multi-GPU setups. Its 7.8-inch depth means you must ensure your case has sufficient clearance.
EVGA SuperNOVA 750 G2 750W Power Supply
Best for: Mid-range builds needing long warranty coverage
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Dimensions
- 7 × 5.9 × 3.4 inches
The EVGA SuperNOVA 750W G2 Gold Modular PSU delivers 750 watts of output with 80 PLUS Gold efficiency and a 10-year warranty. You get a fully modular cable setup, Japanese capacitors, and a 140mm double ball bearing fan with ECO mode for quiet operation. It includes heavy-duty protections like OVP and SCP. It suits mid-range builds needing dependable power, clean cable routing, and long-term warranty support.
Pros
- 10-year warranty coverage
- 80 PLUS Gold efficiency up to 90% under typical loads
- Fully modular cabling to reduce clutter and ease installation
- 140mm double ball bearing fan with EVGA ECO Mode
Cons
- 7-inch chassis length requires adequate case clearance
- 750W total output limits capacity for ultra-high-draw systems
Good fit if
- You want a fully modular 750W power supply covered by a 10-year warranty.
- You require 80 PLUS Gold efficiency along with Japanese capacitors and full hardware protections.
- You prefer semi-passive cooling with ECO Mode and a 140mm fan.
Skip if
- You need 850W or higher capacity for dual GPUs or extreme hardware.
- You have a small ATX case that cannot fit a 7.0-inch long power supply.
Verdict: EVGA SuperNOVA 750W G2 Gold Modular PSU offers 750W output, 80 PLUS Gold efficiency, and full modularity backed by a 10-year warranty. It provides dependable cooling and heavy-duty protections for mid-range desktop systems.
EVGA SuperNOVA 1600W Fully Modular PSU
Best for: high-draw multi-GPU workstations and power-intensive rigs
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 1600W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Dimensions
- 3.35 × 8.7 × 5.9 inches
The EVGA SuperNOVA 1600W Gold Power Supply delivers up to 1600W of continuous power with 80 PLUS Gold certified efficiency. It features a fully modular design, a 140mm double ball bearing cooling fan, and five hardware protections including OVP and SCP. Backed by a 10-year warranty, this unit suits multi-GPU configurations and extreme system builds that demand substantial wattage overhead.
Pros
- 1600W continuous power output
- Fully modular cable layout
- 10-year manufacturer warranty
- 140mm double ball bearing cooling fan
Cons
- Heavy 8-pound total chassis weight
- Large 8.7-inch dimension requires ample case clearance
Good fit if
- You need 1600W of capacity for multi-GPU setups or extreme components.
- You prioritize fully modular cabling paired with a 10-year warranty.
Skip if
- You have a compact case unable to house an 8.7-inch power supply.
- You require higher 80 PLUS Platinum or Titanium efficiency levels.
Verdict: EVGA SuperNOVA 1600W Gold Power Supply provides high-wattage output and fully modular cabling backed by a 10-year warranty. It fits high-draw workstations requiring heavy-duty power delivery and comprehensive built-in protections.
EVGA SuperNOVA 1600W 80 Plus Titanium PSU
Best for: ultra-high-draw multi-GPU workstation builds
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 1600W
- Efficiency Rating
- 80 PLUS Titanium
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Dimensions
- 3.4 × 14.5 × 6 inches
The EVGA SuperNOVA 1600W Titanium Power Supply is an ultra-high-output unit built for demanding hardware setups. You get 1600 watts of continuous delivery, 80 PLUS Titanium efficiency, and a fully modular cable design. It features a 140mm double ball bearing fan with ECO mode alongside complete hardware protections. If you run multi-GPU configurations requiring maximum wattage, this 10-year covered unit delivers reliable power.
Pros
- 80 PLUS Titanium certified efficiency up to 96%
- 1600W continuous output for multi-GPU setups
- Fully modular cable management
- 140mm double ball bearing fan with ECO mode
Cons
- Large 14.5-pound weight
- 1600W output is excessive for standard single-GPU PCs
Good fit if
- You need up to 1600 watts for multi-GPU or high-load workstation hardware.
- You require 80 PLUS Titanium efficiency to reduce power draw under load.
- You want fully modular cabling backed by a 10-year warranty.
Skip if
- You build a standard gaming PC requiring well under 1000 watts.
- You need a lightweight power supply for a compact chassis.
Verdict: EVGA SuperNOVA 1600W Titanium Power Supply delivers 80 PLUS Titanium efficiency and 1600W capacity for extreme workstation hardware. Its modular cabling and heavy-duty protections provide reliable operation for multi-GPU configurations.
EVGA SuperNOVA G3 1000W Gold PSU
Best for: compact high-wattage gaming and workstation builds
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Fan Size
- 130mm
- Dimensions
- 5.91 × 5.91 × 3.35 inches
The EVGA SuperNOVA 1000W G3 Gold PSU provides 1000W of fully modular power backed by a 10-year warranty. It features an 80 Plus Gold rating, achieving up to 92 percent efficiency under typical loads. A 130mm hydraulic dynamic bearing fan handles cooling with an integrated Eco Mode for quiet operation. If you need clean cable routing and robust wattage for a demanding system, this compact supply fits standard cases.
Pros
- 10-year warranty coverage
- 80 Plus Gold certified efficiency up to 92 percent
- 130mm hydraulic dynamic bearing fan with Eco Mode
- Fully modular cable design with 5.91-inch depth
- Hardware protections include OVP, UVP, OCP, OPP, and SCP
Cons
- Efficiency limited to 80 Plus Gold rather than Platinum
- Over-temperature protection (OTP) is not listed in specifications
Good fit if
- You need 1000W of power with fully modular cable management.
- You want a quiet 130mm HDB fan with a semi-passive Eco Mode.
- You require a 10-year warranty for long-term hardware support.
Skip if
- You need 80 Plus Platinum or Titanium efficiency.
- You require more than 1000W of continuous power.
Verdict: EVGA SuperNOVA 1000W G3 Gold PSU combines 1000W output with fully modular cabling and a compact footprint. It provides reliable 80 Plus Gold power supported by a 10-year warranty.
EVGA SuperNOVA 850 G+ 850W PSU
Best for: 850W modular builds in full-sized ATX cases
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Fan Size
- 135mm
- Dimensions
- 7.1 × 5.9 × 3.35 inches
The EVGA SuperNOVA 850 G+ 850W Power Supply delivers 850 watts of output with 80 Plus Gold efficiency and full modularity. It features a 135mm fluid dynamic bearing fan alongside built-in OVP, UVP, OCP, OPP, SCP, and OTP protections. Backed by a 10-year warranty, its 7.1-inch housing suits you if you run a standard mid-tower chassis and want fully detachable cables for clean internal system airflow.
Pros
- 80 Plus Gold certified efficiency up to 92 percent
- Fully modular cable design
- 135mm fluid dynamic bearing fan
- 10-year warranty coverage
- Complete protection suite including OVP, UVP, OCP, OPP, SCP, and OTP
Cons
- Long 7.1-inch housing requires extra chassis clearance
- Heavier unit weight at 7 pounds
Good fit if
- You need an 850-watt power supply with full cable modularity.
- You have a PC case that accommodates a 7.1-inch unit length.
- You want comprehensive hardware protection with a 10-year warranty.
Skip if
- You require more than 850 watts for high-draw hardware configurations.
- You build in a compact case that requires a shorter power supply.
Verdict: EVGA SuperNOVA 850 G+ 850W Power Supply provides 850 watts of 80 Plus Gold efficiency and full modularity backed by a 10-year warranty. Its 7.1-inch frame and 135mm FDB fan suit standard builds that require comprehensive circuit protection.
Thermaltake Toughpower iRGB Plus 750W Gold PSU
Best for: builders wanting software monitoring and RGB lighting
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 750W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- ATX Version
- ATX12V V2.4
- Fan Size
- 140mm
View on Amazon: Thermaltake Toughpower iRGB Plus 750W Gold PSU
The Thermaltake Toughpower iRGB Plus 750W Gold is a fully modular power supply backed by a 10-year warranty. It delivers 750 watts of output with an 80 Plus Gold efficiency rating. Built-in Smart Power Management allows you to track power data and fan speeds via mobile and desktop apps. It suits builders who want digital monitoring and addressable lighting in a standard ATX system.
Pros
- 10-year warranty coverage
- 80 Plus Gold efficiency with fully modular cabling
- Smart Power Management app for real-time hardware monitoring
- Smart Zero Fan mode remains inactive below 30 percent load
Cons
- ATX12V version 2.4 specification rather than newer standards
- 6.3-inch length requires extra clearance in compact cases
Good fit if
- You need 750 watts of power backed by a 10-year warranty.
- You want real-time power tracking via desktop or mobile apps.
- You synchronize system lighting using Razer Chroma or Alexa.
Skip if
- You require more than 750 watts for high-draw hardware.
- You prefer a non-RGB unit without software integrations.
Verdict: Thermaltake Toughpower iRGB Plus 750W Gold pairs a 10-year warranty with fully modular cables and 80 Plus Gold efficiency. It delivers practical software-based power telemetry and addressable lighting for mid-range builds.
EVGA SuperNOVA GA 650W Power Supply
Best for: mid-range PCs needing a 10-year warranty
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 650W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Dimensions
- 11.8 × 9 × 4.8 inches
- Weight
- 4.4 pounds
The EVGA SuperNOVA GA 650W is an internal power supply unit built with an 80 Plus Gold efficiency rating and a 10-year warranty. You get a fully modular cable design, 100% Japanese capacitors, and an LLC resonant circuit with DC-to-DC conversion. It features a double ball bearing fan with an integrated ECO mode. This unit fits your system if you need moderate wattage with long warranty coverage and reduced cable clutter.
Pros
- 80 Plus Gold certified with 90% or higher efficiency
- Fully modular cable design
- 10-year warranty coverage
- 100% Japanese capacitors with DC-DC converter
- Double ball bearing fan with EVGA ECO mode
Cons
- 650W capacity limits high-draw hardware configurations
- No PCIe 5.0 or 12VHPWR connectors listed in specifications
Good fit if
- You need a 650W power supply backed by a 10-year warranty.
- You prefer a fully modular layout to keep unused cables out of your case.
- You want quiet operation under light loads via ECO mode.
Skip if
- You require 750W or higher capacity for high-draw graphics cards.
- You need native ATX 3.0 or PCIe 5.0 power connectivity.
Verdict: EVGA SuperNOVA GA 650W Modular PSU provides efficient 80 Plus Gold power and quiet thermal control backed by a 10-year warranty. It serves as a dependable base for mid-tier builds that do not require high wattage.
EVGA Supernova 1300 G+ 1300W Gold PSU
Best for: high-wattage builds needing long warranty coverage
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 1300W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Dimensions
- 3.4 × 5.9 × 7.87 inches
- Weight
- 5 pounds
The EVGA Supernova 1300 G+ is a fully modular 1300W power supply designed for high-demand hardware. Backed by a 10-year warranty, it delivers an 80 Plus Gold efficiency rating of at least 90 percent under typical loads. It features 100 percent Japanese capacitors, a fluid dynamic bearing fan, and an operating temperature threshold up to 50°C. You get ample wattage and clean cable management for multi-component systems.
Pros
- 1300W capacity backed by a 10-year warranty
- 80 Plus Gold certified with 90% or higher typical efficiency
- Fully modular cabling to reduce clutter and improve airflow
- 100% Japanese capacitors with DC-DC converter design
- Fluid Dynamic Bearing fan with EVGA ECO Mode
Cons
- 80 Plus Gold efficiency rather than Platinum or Titanium
- Length of 7.87 inches requires sufficient case space
Good fit if
- You need 1300W of sustained output for high-draw hardware.
- You want a fully modular power supply with a 10-year warranty.
- You prefer Japanese capacitors and an ECO Mode cooling fan.
Skip if
- You require an 80 Plus Platinum or Titanium efficiency rating.
- You have a compact chassis that cannot fit a 7.87-inch unit.
Verdict: EVGA Supernova 1300 G+ 1300W Power Supply delivers high-capacity output and fully modular cabling under a 10-year warranty. It provides dependable 80 Plus Gold efficiency and Japanese capacitors for demanding PC builds.
ASUS ROG Thor Titanium III 1600W ATX 3.1 PSU
Best for: high-draw extreme builds needing Titanium efficiency
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 1600W
- Efficiency Rating
- 80 PLUS Titanium
- Modularity
- Modular
- ATX Version
- ATX 3.1
- Dimensions
- 7.87 × 5.91 × 3.39 inches
View on Amazon: ASUS ROG Thor Titanium III 1600W ATX 3.1 PSU
The ASUS ROG Thor 1600W Titanium III is a high-capacity ATX 3.1 power supply with 80 Plus Titanium efficiency and a 10-year warranty. You get 1600 watts of power backed by GaN MOSFETs, ROG heatsinks, and a double ball bearing fan. A detachable magnetic OLED display shows real-time wattage. Its 7.87-inch length suits you if your PC case has space for high-draw hardware requiring stable voltage regulation.
Pros
- 80 Plus Titanium efficiency rating
- Complies with ATX 3.1 standard
- Magnetic OLED display monitors live power draw
- GaN MOSFET design and ROG heatsinks for cooling
- Double ball bearing fan structure
Cons
- Long 7.87-inch length limits small chassis compatibility
- Heavy 6.17-pound unit weight
Good fit if
- You need 1600 watts of ATX 3.1 power with 80 Plus Titanium efficiency.
- You want an external OLED display to monitor real-time power consumption.
- You run high-draw graphics cards that benefit from dedicated voltage stabilization.
Skip if
- You use a compact chassis that cannot clear a 7.87-inch power supply.
- You run a mid-range system that does not need 1600W of capacity.
Verdict: ASUS ROG Thor 1600W Titanium III delivers massive ATX 3.1 output and Titanium efficiency in a large chassis. It provides stable high-wattage power delivery backed by a 10-year warranty.
EVGA SuperNOVA 850 GM SFX Power Supply
Best for: compact small-form-factor PC builds needing 850W
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Form Factor
- SFX
- Dimensions
- 4.92 × 4.92 × 2.48 inches
The EVGA SuperNOVA 850 GM provides 850W of power in a compact SFX form factor. It delivers 80 PLUS Gold efficiency and includes a 10-year warranty alongside fully modular cabling. EVGA builds this unit with 100% Japanese capacitors and includes an FDB fan with ECO mode. If you build a small-form-factor system or need an SFX unit with an included ATX bracket, this supply fits your build.
Pros
- SFX form factor with included ATX mounting bracket
- 80 PLUS Gold certified efficiency
- Fully modular cabling
- 100% Japanese capacitors and FDB fan with ECO mode
Cons
- 850W maximum output limits ultra-high-draw configurations
- Lower efficiency rating than 80 PLUS Platinum or Titanium models
Good fit if
- You build in a compact case requiring an SFX power supply.
- You want fully modular cables with 850W of output and a 10-year warranty.
- You require an SFX supply that includes an ATX mounting bracket.
Skip if
- You need more than 850W of capacity for heavy multi-component loads.
- You require an 80 PLUS Platinum or Titanium efficiency rating.
Verdict: EVGA SuperNOVA 850 GM SFX Power Supply delivers 850W of fully modular power and 80 PLUS Gold efficiency inside compact small-form-factor builds. It pairs a 10-year warranty with Japanese capacitors and an included ATX mounting bracket.
EVGA 1000W G6 Gold Modular Power Supply
Best for: compact high-draw builds needing 1000W
- Warranty
- 10 Year Warranty (what this guide is about)
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Dimensions
- 5.5 × 5.91 × 3.4 inches
- Weight
- 6.6 pounds
The EVGA G6 1000W Gold Power Supply delivers 1000W of power for your high-load system. It features an 80 PLUS Gold efficiency rating reaching 91 percent, fully modular cabling to reduce clutter, and a compact 5.5-inch length. Built with 100 percent Japanese capacitors, an FDB fan with ECO mode, and a 10-year warranty, you get reliable power delivery and quiet operation for demanding builds.
Pros
- 1000W capacity with 80 PLUS Gold efficiency reaching 91%
- Fully modular design to minimize case clutter
- Compact 5.5-inch length fits smaller enclosures
- 100% Japanese capacitors and full-bridge LLC DC-DC design
Cons
- Lower efficiency rating than 80 PLUS Platinum or Titanium alternatives
- Heavy unit weight at 6.6 pounds
Good fit if
- You need 1000W of power within a compact 5.5-inch depth.
- You want quiet cooling via an FDB fan paired with ECO mode.
- You prioritize a 10-year warranty with all-Japanese capacitors.
Skip if
- You demand Platinum or Titanium efficiency levels.
- You require a lower-wattage power supply for a modest build.
Verdict: EVGA G6 1000W Gold Power Supply delivers 1000W of fully modular power in a space-saving 5.5-inch frame backed by a 10-year warranty. Its FDB fan and full-bridge DC-DC topology ensure quiet, stable operation.
Specifications side by side
| Spec | MSI MAG 850W Fully Modular ATX Power Supply | ASUS ROG Thor 1200W Platinum II | EVGA SuperNOVA G2 1300W Fully Modular PSU | EVGA Supernova 1000 P2 Platinum Power Supply | EVGA SuperNOVA 750 G2 750W Power Supply | EVGA SuperNOVA 1600W Fully Modular PSU | EVGA SuperNOVA 1600W 80 Plus Titanium PSU | EVGA SuperNOVA G3 1000W Gold PSU | EVGA SuperNOVA 850 G+ 850W PSU | Thermaltake Toughpower iRGB Plus 750W Gold PSU | EVGA SuperNOVA GA 650W Power Supply | EVGA Supernova 1300 G+ 1300W Gold PSU | ASUS ROG Thor Titanium III 1600W ATX 3.1 PSU | EVGA SuperNOVA 850 GM SFX Power Supply | EVGA 1000W G6 Gold Modular Power Supply |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wattage | 850W | 1200W | 1300W | 1000W | 750W | 1600W | 1600W | 1000W | 850W | 750W | 650W | 1300W | 1600W | 850W | 1000W |
| Efficiency Rating | 80+ Gold | 80+ Platinum | 80 PLUS Gold | 80 PLUS Platinum | 80 PLUS Gold | 80 PLUS Gold | 80 PLUS Titanium | 80 Plus Gold | 80 Plus Gold | 80+ Gold | 80 Plus Gold | 80 PLUS Gold | 80 PLUS Titanium | 80 PLUS Gold | 80 Plus Gold |
| Modularity | Fully Modular | not specified | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Modular | Fully Modular | Fully Modular |
| ATX Version | ATX 3.1 | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | ATX12V V2.4 | not specified | not specified | ATX 3.1 | not specified | not specified |
| PCIe Connector Type | 12V-2x6 | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Fan Size | not specified | 135mm | 140mm | 140mm | 140mm | 140mm | 140mm | 130mm | 135mm | 140mm | not specified | not specified | not specified | not specified | not specified |
| Warranty | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year | 10 Year |
| Form Factor | ATX | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | ATX | SFX | not specified |
| PCIe Version | PCIe 5.1 | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Recommended Use | Gaming | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Connector | 12V-2x6 Connector | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Size | 850W (PCIE 5) | not specified | 1300W | 1000W | 750W | 1600W | 1600 Watt | 1000W | 850W | 750W | 650W | 1300W | 1600T | 850W | 1000W |
| Dimensions | 12 × 8.75 × 4.92 inches | 7.4 × 5.9 × 3.3 inches | 7.4 × 12 × 11.2 inches | 7.8 × 6 × 3.3 inches | 7 × 5.9 × 3.4 inches | 3.35 × 8.7 × 5.9 inches | 3.4 × 14.5 × 6 inches | 5.91 × 5.91 × 3.35 inches | 7.1 × 5.9 × 3.35 inches | 6.3 × 5.9 × 3.4 inches | 11.8 × 9 × 4.8 inches | 3.4 × 5.9 × 7.87 inches | 7.87 × 5.91 × 3.39 inches | 4.92 × 4.92 × 2.48 inches | 5.5 × 5.91 × 3.4 inches |
| Weight | not specified | 11 pounds | 8 pounds | 4.41 pounds | 6.6 pounds | 8 pounds | 14.5 pounds | 6.1 pounds | 7 pounds | 5 pounds | 4.4 pounds | 5 pounds | 6.17 pounds | 4 pounds | 6.6 pounds |
| Color | not specified | BLACK | Black | not specified | not specified | Black | Black | not specified | gold | Gold | not specified | not specified | Black | not specified | not specified |
| Model | not specified | not specified | 120-G2-1300-XR | 220-P2-1000-XR | 220-G2-0750-XR | 120-G2-1600-X1 | 220-T2-1600-X1 | 220-G3-1000-X1 | 120-GP-0850-X1 | PS-TPI-0750F3FDGU-1 | 220-GA-0650-X1 | 220-GP-1300-X1 | 90YE00V1-B0NA00 | 123-GM-0850-X1 | 220-G6-1000-X1 |
Is a 10-Year Warranty Worth It for Your PC?
A 10-year warranty guarantees manufacturer repair or replacement coverage across a decade of desktop operation. Units carrying this specification integrate heavy-duty built-in protections and components like Japanese capacitors. In daily use, the warranty does not alter wattage output or efficiency levels, which range from 80 Plus Gold to Titanium. Instead, it provides long-term service backing against hardware defects. You can deploy these units in high-demand multi-GPU workstations or modern gaming systems with verified factory support covering long-term component wear.
Worth it if
- You operate high-draw multi-GPU workstations or modern gaming setups that require continuous electrical reliability.
- You want verified factory service coverage and defect protection lasting a full decade.
Skip it if
- You assemble temporary or short-lifecycle systems that will be decommissioned within a few years.
- You build low-power desktop PCs with total system power requirements below 650 watts.
If you plan a liquid cooling loop alongside your power supply, verify chassis clearance dimensions among the best PC cases for radiator installations.
How We Chose These Power Supplies
To build this guide for 2026, we selected 15 power supplies whose manufacturer specifications explicitly state a 10-year warranty in their titles or feature lists. We evaluate only published technical specifications without physical handling. For each product line, we include only one variant or capacity to keep choices direct.
The guide lists units in stock first, then by Amazon sales rank. We compare published metrics including wattage, 80 Plus efficiency levels, modular cable design, and chassis dimensions. Live inventory updates display directly on the page, so you see current hardware options immediately.
How to Choose the Right Power Supply
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Select the Efficiency Level
Examine the 80 Plus certification on each power supply. Higher tiers like 80 Plus Platinum and Titanium deliver greater electrical efficiency than standard 80 Plus Gold units. This higher efficiency generates less heat inside your chassis during heavy operation. For typical gaming systems, 80 Plus Gold provides solid baseline performance. Extreme workstation builds running heavy workloads benefit from maximum efficiency ratings to reduce thermal load. The EVGA SuperNOVA 1600W 80 Plus Titanium PSU targets these continuous power setups by pairing Titanium efficiency with massive power output.
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Calculate Your Total Wattage
Match the total wattage capacity to the power requirements of your CPU and graphics card. Mid-range desktop computers operate reliably on 650W to 750W supplies, leaving adequate headroom for standard components. High-end workstations and multi-GPU configurations require supplies rated at 1000W up to 1600W to manage intense electrical loads without tripping protections. Check the rated capacity on the label before buying. If you run a single-GPU desktop with modest power draw, a unit like the EVGA SuperNOVA GA 650W Power Supply fulfills power requirements without surplus capacity.
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Measure Chassis Depth Clearance
Check the physical length of the power supply against your chassis compartment specifications. High-wattage ATX models often measure between 7 and 8 inches deep, which can crowd drive cages and restrict cable routing space beneath power supply shrouds. Standard mid-tower cases usually require shorter housings for clean installation. If your case provides restricted internal room, select a compact ATX model with reduced depth. The EVGA 1000W G6 Gold Modular Power Supply measures only 5.5 inches in length, leaving sufficient room in tight basements for cable storage and ventilation.
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Verify Internal Component Quality
Examine the internal hardware design specifications listed by the manufacturer. High-reliability units utilize Japanese capacitors and DC-to-DC converter topology to stabilize voltage delivery across varying system loads. These internal parts prevent voltage ripple and resist thermal degradation over a decade of continuous operation. Builders assembling mission-critical workstations or expensive gaming systems should confirm these component standards on the product sheet. The EVGA Supernova 1000 P2 Platinum Power Supply specifies heavy-duty Japanese capacitors, ensuring resilient power distribution across multi-rail outputs under high electrical strain.
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Confirm GPU Power Connections
Inspect the PCIe connectors included with the power supply. Recent hardware standards feature dedicated 12V-2x6 connectors rated for modern PCIe 5.1 and ATX 3.1 graphics cards. These dedicated cables deliver high wattage through a single terminal, eliminating the need for bulky multi-cable splitters or adapters. If you plan to build a gaming system with next-generation components, look for native ATX 3.1 specifications on the box. The MSI MAG 850W Fully Modular ATX Power Supply incorporates this 12V-2x6 connection natively to support modern graphics cards directly from the modular panel.
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Choose the Form Factor
Review your PC case specifications to establish whether it requires standard ATX or small-form-factor SFX mounting. Full ATX power supplies fit mid-tower and full-tower enclosures, but they will not mount inside compact mini-ITX cases. SFX power supplies use a smaller physical enclosure designed for space-constrained chassis. If you build inside a small-form-factor case, select an SFX unit that includes an ATX conversion bracket for layout flexibility. The EVGA SuperNOVA 850 GM SFX Power Supply provides 850W within an SFX frame and includes a bracket for mounting in standard cases.
Frequently asked questions
What wattage do you need for a multi-GPU workstation build?
You typically need between 1000W and 1600W of total output for multi-GPU workstation builds. High-demand configurations with multiple graphics cards draw significant continuous power. Options like the EVGA SuperNOVA 1000 P2, EVGA SuperNOVA 1600W, or ASUS ROG Thor Titanium III provide the necessary headroom and heavy-duty electrical protections to maintain stability under prolonged full-load operations without overloading your system.
Which power supply connector powers PCIe 5.1 graphics cards?
You need a dedicated 12V-2x6 connector to power PCIe 5.1 graphics cards natively. This standardized connector supplies high power directly to modern GPUs through a single cable, eliminating messy multi-cable adapters. The MSI MAG 850W ATX 3.1 power supply includes this native 12V-2x6 connector, ensuring direct compatibility with the latest ATX 3.1 design guidelines and PCIe 5.1 hardware specifications.
Can you install an SFX power supply into a standard ATX PC case?
Yes, you can mount an SFX unit inside a standard ATX enclosure if you use an adapter bracket. Standard ATX cutouts are significantly wider and taller than the compact SFX form factor. For example, the EVGA SuperNOVA 850 GM measures just 4.92 inches wide and 2.48 inches high, but it includes an ATX mounting bracket in the package so you can install it securely in standard cases.
What is the difference between 80 Plus Gold, Platinum, and Titanium efficiencies?
The primary difference is the percentage of electrical power converted into usable energy rather than waste heat. 80 Plus Gold units offer solid baseline efficiency for desktop gaming. Moving up to 80 Plus Platinum, like the EVGA SuperNOVA 1000 P2, or 80 Plus Titanium, such as the EVGA SuperNOVA 1600W Titanium, yields even tighter energy conversion, producing lower thermal output and quieter operation under heavy computing loads.
Why should you choose a fully modular power supply?
You should choose a fully modular power supply because it allows you to connect only the cables your build requires. Detaching unused wires eliminates clutter inside the case, simplifies overall cable management, and promotes cleaner airflow around heat-sensitive desktop components. Models like the EVGA SuperNOVA 750 G2 and EVGA G6 1000W feature completely detachable cable sets to keep both compact and full-tower assemblies organized.
How do you verify if a power supply fits your PC chassis?
You must check the unit's physical depth and length against the PSU clearance specifications of your case. While width and height generally follow ATX standards, length varies drastically across power tiers. Compact units like the EVGA G6 1000W measure 5.5 inches long, whereas high-capacity units like the EVGA SuperNOVA 1000 P2 reach 7.8 inches. Always measure the clearance area beneath the PSU shroud, including modular cable plugs.
What does a Cybenetics Lambda acoustic rating indicate?
A Cybenetics Lambda rating measures the overall acoustic noise generated by the power supply during operation. Independent testing laboratories assign Lambda certifications to categorize sound pressure levels under varying electrical loads. A designation such as the Lambda A++ rating found on the ASUS ROG Thor 1200W Platinum II indicates near-silent fan performance, verifying that the unit produces minimal audible hum or noise even under demanding system draw.