Best Fully Modular PC Power Supplies in 2026: 15 Picks Ranked by Specs
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A fully modular PC power supply lets you attach only the cables you need to keep your chassis organized and maximize internal airflow. The Corsair SF 1000W Fully Modular PSU takes the top spot by delivering a 1000-watt output in a 2.31-pound chassis.
We compared 15 power supplies strictly using the specifications published on their listings. This guide helps you select the right wattage capacity, efficiency rating, and physical dimensions for your build in 2026.
Quick picks
The best fit for you
- You need high wattage in a lightweight modular build Corsair SF 1000W Fully Modular PSU This unit delivers 1000 watts of fully modular power in a lightweight 2.31-pound chassis.
- You need an ATX 3.0 modular gaming unit MSI MAG ATX 3.0 Modular Power Supply It delivers ATX 3.0 compatibility with an 80 Plus Gold efficiency certification.
- You want a white power supply with side cabling Corsair RM850x Shift 850W White ATX Power Supply It provides a white finish with ATX 3.1 support and side-oriented modular connectors.
- You need maximum wattage with Titanium level efficiency EVGA SuperNOVA 1600W 80 Plus Titanium PSU It supplies 1600 watts of power with an 80 Plus Titanium efficiency rating.
Our 15 picks
Corsair SF 1000W Fully Modular PSU
Best for: high-wattage builds needing fully modular cabling
- Modularity
- Fully Modular
- Wattage
- 1000 Watts
- Efficiency Rating
- 80 Plus
- Size
- 1000W
- Dimensions
- 7.6 × 9.4 × 11.3 inches
- Weight
- 2.31 pounds
View on Amazon: Corsair SF 1000W Fully Modular PSU (paid link)
The Corsair 1000W Fully Modular Power Supply provides 1000 watts of power for demanding hardware configurations. Its fully modular design lets you attach only the cables your build requires, which keeps your PC case organized. This black unit weighs 2.31 pounds and carries an 80 Plus rating. It suits you if you need a high-wattage power delivery system for modern components without keeping excess, unused internal cables inside your chassis.
Pros
- Delivers 1000 watts of total output
- Fully modular cable configuration
- Lightweight 2.31-pound unit weight
- Listed with 80 Plus efficiency
Cons
- Renewed hardware unit rather than factory-new
- Specific 80 Plus tier level is not detailed in the specifications
- Exact cable connector types and counts are not listed
Good fit if
- You need 1000 watts of power for high-draw hardware configurations.
- You want fully modular cables to simplify cable management inside your case.
- You are comfortable using a renewed black power supply.
Skip if
- You require a brand-new factory unit rather than renewed hardware.
- You need a verified specific efficiency tier such as Gold or Platinum.
- You require a verified list of individual cable connectors before purchase.
Verdict: Corsair 1000W Fully Modular Power Supply delivers high-capacity 1000-watt output paired with fully detachable cables for clean system assembly. It provides the essential electrical capacity for power-heavy builds in a 2.31-pound black chassis.
MSI MAG 850W Fully Modular ATX Power Supply
Best for: modern gaming builds needing PCIe 5.1 support
- Modularity
- Fully Modular
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Warranty
- 10 Year
View on Amazon: MSI MAG 850W Fully Modular ATX Power Supply (paid link)
This MSI power supply provides 850W of continuous power with an 80 Plus Gold efficiency certification. Its fully modular design lets you attach only the cables your build requires. Built for modern hardware, it meets ATX 3.1 and PCIe 5.1 specifications with a dedicated 12V-2x6 connector. It suits you if you need reliable power delivery for a dedicated gaming system backed by a 10-year warranty.
Pros
- Native 12V-2x6 connector for PCIe 5.1 hardware
- Fully modular design for clean cable routing
- 80 Plus Gold efficiency rating
- 10-year manufacturer warranty
Cons
- 850W output limits extreme-draw multi-GPU systems
- Efficiency capped at 80 Plus Gold rather than Platinum
Good fit if
- You need a native 12V-2x6 connector for PCIe 5.1 graphics cards.
- You want a fully modular ATX 3.1 power supply rated at 850W.
- You prioritize long-term coverage via a 10-year warranty.
Skip if
- You require 1000W or greater output for high-draw hardware.
- You demand 80 Plus Platinum or Titanium energy efficiency.
Verdict: MSI 850W Gold ATX 3.1 Modular Power Supply delivers PCIe 5.1 support and fully modular cabling in a standard ATX form factor. Its 80 Plus Gold rating and 10-year warranty make it a dependable foundation for contemporary gaming builds.
Corsair RM850x 850W Fully Modular ATX 3.1 PSU
Best for: ATX 3.1 systems needing 850W
- Modularity
- Fully Modular
- Wattage
- 850W
- Efficiency Rating
- Cybenetics Gold
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- PCIe Version
- PCIe 5.1
View on Amazon: Corsair RM850x 850W Fully Modular ATX 3.1 PSU (paid link)
This Corsair unit is an 850W ATX power supply with fully modular cabling. It complies with ATX 3.1 and PCIe 5.1 standards and includes a dedicated 12V-2x6 connector for modern hardware setups. Its fully modular design lets you attach only the cables you need for your build. At 850 watts, this black ATX unit suits you if you build a modern system that needs native PCIe 5.1 power delivery.
Pros
- Fully modular cable design
- ATX 3.1 and PCIe 5.1 compliant
- Includes a 12V-2x6 connector
- Rated for 850W total output
Cons
- Limited to 850W for higher-draw systems
- Standard ATX form factor does not fit small form factor SFX cases
Good fit if
- You need a fully modular 850W power supply.
- You require ATX 3.1 compliance and a 12V-2x6 connector for PCIe 5.1 hardware.
Skip if
- You need more than 850W of power for higher-wattage builds.
- You are building in an SFX-only PC case.
Verdict: Corsair 850W Fully Modular ATX Power Supply provides 850 watts of output with ATX 3.1 and PCIe 5.1 compliance. It delivers dedicated 12V-2x6 connectivity in a standard fully modular ATX package.
Corsair RM1000x 1000W ATX 3.1 PSU
Best for: ATX 3.1 high-wattage modular builds
- Modularity
- Fully Modular
- Wattage
- 1000W
- Efficiency Rating
- Cybenetics Gold
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- PCIe Version
- PCIe 5.1
View on Amazon: Corsair RM1000x 1000W ATX 3.1 PSU (paid link)
The Corsair RM1000x 1000W Modular PSU gives you 1000 watts of fully modular power inside a standard ATX form factor. It adheres to ATX 3.1 and PCIe 5.1 standards while supplying a dedicated 12V-2x6 connector. You get low-noise operation and Cybenetics efficiency support in a black finish. This unit suits you if you configure a high-draw system requiring clean cable management and direct connection paths for modern graphics hardware.
Pros
- Delivers 1000W continuous output
- Complies with ATX 3.1 and PCIe 5.1 specifications
- Includes a dedicated 12V-2x6 connector
- Fully modular cable design
Cons
- Chassis weight is 6.88 pounds
- Available only in black finish
Good fit if
- You need 1000W of power alongside ATX 3.1 and PCIe 5.1 compliance.
- You require a dedicated 12V-2x6 cable for modern components.
- You want fully modular cabling to simplify interior routing.
Skip if
- You require a white finish to match your chassis theme.
- You build in a compact enclosure that cannot house an ATX power supply.
Verdict: Corsair RM1000x 1000W Modular PSU provides high-wattage output aligned with ATX 3.1 and PCIe 5.1 standards. It offers complete modularity and dedicated 12V-2x6 hardware support for high-demand configurations.
Corsair RM1000e 1000W ATX Power Supply
Best for: high-wattage systems requiring dual EPS12V connections
- Modularity
- Fully Modular
- Wattage
- 1000 Watt
- Efficiency Rating
- 80 PLUS Gold
- Form Factor
- ATX
- Size
- 1000W
- Dimensions
- 5.91 × 5.51 × 3.39 inches
View on Amazon: Corsair RM1000e 1000W ATX Power Supply (paid link)
The Corsair RM1000e is a fully modular ATX power supply rated for 1000 watts of output. It carries an 80 Plus Gold efficiency certification and features dual EPS12V connectors for your motherboard alongside internal 105°C-rated capacitors. You can attach only the cables you need to reduce clutter inside your chassis. This unit suits you if you are assembling a demanding desktop build that requires high continuous wattage and standard ATX sizing.
Pros
- 1000W capacity with 80 Plus Gold efficiency
- Fully modular cable design
- Dual EPS12V connectors
- 105°C-rated capacitors
Cons
- 80 Plus Gold efficiency rather than Platinum or Titanium
- Standard ATX footprint not compatible with SFX-only enclosures
Good fit if
- You need 1000W of power with fully modular cable management.
- You require dual EPS12V connectors for your motherboard.
Skip if
- You want 80 Plus Platinum or Titanium efficiency levels.
- You require an SFX power supply for a small form factor case.
Verdict: Corsair RM1000e 1000W Gold Power Supply delivers 1000 watts of fully modular power with 80 Plus Gold efficiency. It provides dual EPS12V connectors and 105°C-rated capacitors in a standard ATX enclosure.
Corsair RM1000x Shift 1000W Power Supply
Best for: cases with clearance for side modular connections
- Modularity
- Fully Modular
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Gold
- ATX Version
- ATX 3.0
- Dimensions
- 7.09 × 5.91 × 5.08 inches
- Weight
- 4.2 pounds
View on Amazon: Corsair RM1000x Shift 1000W Power Supply (paid link)
This unit is a 1000W ATX power supply featuring a modular side interface for simplified cable management. It provides 80 Plus Gold certified efficiency along with ATX 3.0 and PCIe 5.0 compliance. At 7.09 inches long, you get full modularity paired with high wattage output. It suits you if you run modern graphics hardware requiring dedicated high-power delivery and own a PC case with adequate side clearance for modular connections.
Pros
- 1000W output capacity with 80 Plus Gold efficiency
- Fully modular side interface layout
- Compliant with ATX 3.0 and PCIe 5.0 standards
- Standard ATX form factor
Cons
- Long 7.09-inch housing limits fit in compact cases
- Side-facing modular ports require specific chassis clearance behind PSU
Good fit if
- You build a high-draw PC requiring up to 1000W of power.
- You want ATX 3.0 and PCIe 5.0 standard compliance for current GPUs.
- You have a PC chassis with dedicated side clearance for power cables.
Skip if
- You use a compact or shallow case that cannot accommodate a 7.09-inch unit.
- You need an efficiency rating higher than 80 Plus Gold.
Verdict: Corsair RM1000x Shift 1000W Power Supply delivers ATX 3.0 readiness and 80 Plus Gold efficiency through a distinctive side-mounted modular layout. It is a solid match if your case accommodates its 7.09-inch depth and side cable orientation.
Corsair RM850x Shift 850W White ATX Power Supply
Best for: white PC builds with side cable clearance
- Modularity
- Fully Modular
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- ATX Version
- ATX 3.1
- PCIe Connector Type
- PCIe 5.1
- Dimensions
- 6.3 × 5.91 × 3.39 inches
View on Amazon: Corsair RM850x Shift 850W White ATX Power Supply (paid link)
The Corsair RM850x Shift is a fully modular ATX power supply that delivers 850 watts of power with an 80 Plus Gold efficiency rating. It features modern ATX 3.1 and PCIe 5.1 standards to support current hardware requirements. You get a side-mounted modular connector interface and a white finish with a 6.3-inch casing length. It suits you if you build inside a compatible chassis and need dedicated 850W capacity.
Pros
- ATX 3.1 and PCIe 5.1 standards compliant
- 80 Plus Gold efficiency rating
- Fully modular side interface layout
- Zero RPM fan mode
Cons
- Side connector layout requires specific case clearance behind motherboard tray
- White finish will not match standard black components
Good fit if
- You need an 850W supply that meets ATX 3.1 and PCIe 5.1 specifications.
- You have a PC chassis designed to support side-facing modular connectors.
- You are assembling an all-white computer build.
Skip if
- You use a narrow case that lacks clearance on the side of the power supply bay.
- You need more than 850 watts of power for dual GPUs or heavier workloads.
Verdict: Corsair RM850x Shift 850W White delivers ATX 3.1 compliance and 80 Plus Gold efficiency in a specialized side-modular format. It is a solid choice if your chassis accommodates its side connector orientation.
MSI MAG ATX 3.0 Modular Power Supply
Best for: budget-focused RTX 40-series gaming systems
- Modularity
- Fully Modular
- Efficiency Rating
- 80 Plus Gold
- ATX Version
- ATX 3.0
- PCIe Connector Type
- PCIe 5.0
- Fan Size
- 120mm
- Recommended Use
- Gaming
View on Amazon: MSI MAG ATX 3.0 Modular Power Supply (paid link)
The MSI MAG 750W Gold Modular PSU gives you an ATX 3.0 power supply with full modularity and flat cables. It features an 80 Plus Gold efficiency rating, a native PCIe 5.0 connector, and an LLC Full Bridge Topology with DC-DC design. Built-in industrial protections cover OVP, OCP, OPP, OTP, SCP, and UVP. This unit suits you if you build a modern gaming PC with an RTX 40-series card and want organized cabling.
Pros
- Native PCIe 5.0 connector with ATX 3.0 standard support
- 80 Plus Gold certified efficiency
- Fully modular flat cable setup
- 120mm fluid dynamic bearing cooling fan
- Comprehensive protection suite with OVP, OCP, OPP, OTP, SCP, and UVP
Cons
- Renewed hardware condition
- 750W ceiling limits dual-GPU and extreme-wattage hardware
- Compact 120mm fan rather than a larger 135mm or 140mm unit
Good fit if
- You need native ATX 3.0 and PCIe 5.0 support for modern GPUs.
- You run a standard gaming rig with an NVIDIA RTX 40-series card.
- You want fully modular flat cables to simplify routing.
Skip if
- You require brand-new factory-sealed parts instead of renewed stock.
- You need higher wattage overhead for multi-GPU or extreme overclocking setups.
Verdict: MSI MAG 750W Gold Modular PSU delivers ATX 3.0 compatibility and native PCIe 5.0 connectivity in a fully modular format. It provides solid 80 Plus Gold efficiency and essential hardware protections for mainstream gaming systems.
Corsair RM750x Shift White 750W ATX Power Supply
Best for: ATX 3.1 builds with side cable clearance
- Modularity
- Fully Modular
- Wattage
- 750W
- Efficiency Rating
- 80 Plus Gold
- ATX Version
- ATX 3.1
- Fan Size
- 140mm
- PCIe Version
- PCIe 5.1
View on Amazon: Corsair RM750x Shift White 750W ATX Power Supply (paid link)
This 750W power supply features side-mounted modular connections designed to simplify cable routing in compatible cases. It delivers 80 Plus Gold efficiency and complies with ATX 3.1 and PCIe 5.1 standards to handle transient power spikes. Corsair provides Type 5 micro-fit cables alongside a 140mm fluid dynamic bearing fan. You will find it well suited if you need reliable power delivery for modern components inside a white chassis.
Pros
- Side-mounted modular interface simplifies cable routing
- Certified for ATX 3.1 and PCIe 5.1 standards
- 100% 105°C-rated Japanese electrolytic capacitors
- 140mm fluid dynamic bearing cooling fan
Cons
- 750W capacity limits headroom for high-draw multi-GPU systems
- Side-facing connectors require cases with adequate side clearance
Good fit if
- You need ATX 3.1 compliance and native PCIe 5.1 support.
- You prefer side-facing modular ports to reach cables easily.
- You are assembling hardware inside a white chassis.
Skip if
- You require more than 750W of total power for your components.
- You have a PC case without sufficient clearance beside the PSU.
Verdict: Corsair RM750x Shift 750W Power Supply delivers ATX 3.1 support and accessible side-mounted cabling for tidy builds. It serves as a dependable 750W unit whenever your case provides sufficient side clearance.
EVGA SuperNOVA G2 1300W Fully Modular PSU
Best for: high-wattage multi-GPU desktop builds
- Modularity
- Fully Modular
- Wattage
- 1300W
- Efficiency Rating
- 80 PLUS Gold
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 7.4 × 12 × 11.2 inches
View on Amazon: EVGA SuperNOVA G2 1300W Fully Modular PSU (paid link)
The EVGA SuperNOVA 1300 G2 is a fully modular power supply delivering 1300 watts of continuous power. Built with 80 PLUS Gold certification, it reaches up to 90% efficiency under typical loads to minimize waste heat. Its 140mm double ball-bearing fan handles system cooling alongside built-in OVP, UVP, OCP, OPP, and SCP protections. If you run high-demand multi-GPU hardware needing massive wattage, this unit provides clean power with detachable cables.
Pros
- High 1300W power output
- 80 PLUS Gold certified with up to 90% efficiency
- 140mm double ball bearing cooling fan
- Comprehensive protections including OVP, UVP, OCP, OPP, and SCP
- 10-year warranty coverage
Cons
- Substantial 8-pound weight
- Long 7.4-inch chassis requires ample case space
- Manufacturer advises against using third-party modular cables
Good fit if
- You run power-intensive setups requiring up to 1300W.
- You want fully modular cabling to simplify internal cable management.
- You want long-term coverage with a 10-year warranty.
Skip if
- You have a compact PC case that cannot accommodate a 7.4-inch length.
- You plan to use custom third-party modular cabling.
Verdict: EVGA SuperNOVA 1300W Gold Fully Modular PSU delivers massive 1300-watt output backed by 80 PLUS Gold efficiency and a 10-year warranty. Its large 7.4-inch chassis and 8-pound weight make it best suited for spacious, high-power desktop builds.
EVGA Supernova 1000 P2 Platinum Power Supply
Best for: high-wattage builds needing Platinum efficiency
- Modularity
- Fully Modular
- Wattage
- 1000W
- Efficiency Rating
- 80 PLUS Platinum
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 7.8 × 6 × 3.3 inches
View on Amazon: EVGA Supernova 1000 P2 Platinum Power Supply (paid link)
The EVGA Supernova 1000 P2 Platinum Power Supply delivers 1000W of fully modular power designed for demanding PC builds. It features 80 PLUS Platinum efficiency, reaching up to 92% efficiency under typical 115V loads. Inside, you get 100% Japanese capacitors and a 140mm double ball bearing fan with ECO mode for cooling. Backed by a 10-year warranty, this unit suits you if you need high-efficiency output for multi-GPU setups.
Pros
- 80 PLUS Platinum efficiency rating of up to 92% to 94%
- Fully modular cabling design to reduce clutter
- 140mm double ball bearing fan with ECO mode
- Built with 100% Japanese capacitors
- 10-year warranty coverage
Cons
- Chassis length of 7.8 inches requires sufficient case space
- Weighs 4.41 pounds
Good fit if
- You need 1000W of power with 80 PLUS Platinum efficiency.
- You prefer fully modular cables to manage airflow and interior clutter.
- You want a cooling setup featuring a 140mm double ball bearing fan and ECO mode.
Skip if
- You have a compact PC case that cannot fit a 7.8-inch long power supply.
- You need a lower-wattage unit for a low-power system.
Verdict: EVGA Supernova 1000 P2 Platinum Power Supply delivers high-efficiency 1000W output backed by 80 PLUS Platinum certification and Japanese capacitors. It provides reliable, fully modular power if your chassis accommodates its 7.8-inch length.
EVGA SuperNOVA 750 G2 750W Power Supply
Best for: standard cases needing dependable 750W Gold power
- Modularity
- Fully Modular
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Gold
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 7 × 5.9 × 3.4 inches
View on Amazon: EVGA SuperNOVA 750 G2 750W Power Supply (paid link)
The EVGA SuperNOVA 750 G2 is a fully modular 750-watt power supply certified for 80 PLUS Gold efficiency. It features a 140mm double ball bearing fan with an ECO thermal control mode. Inside, Japanese capacitors support stable delivery alongside built-in OVP, UVP, OCP, OPP, and SCP protections. This unit suits you if you need dependable 750W power for a roomy PC case.
Pros
- 80 PLUS Gold efficiency rating up to 90%
- 140mm double ball bearing cooling fan
- Japanese brand capacitors
- 10-year manufacturer warranty
Cons
- 7-inch length requires extra clearance in compact cases
- Weighs 6.6 pounds
Good fit if
- You need a fully modular 750W supply with an 80 PLUS Gold rating.
- You have a PC chassis that easily accommodates a 7-inch power supply depth.
- You want long-term protection backed by a 10-year warranty.
Skip if
- You build inside a compact case with tight power supply clearance.
- You need more than 750W total output capacity.
Verdict: EVGA SuperNOVA 750 G2 750W Power Supply provides proven Gold-rated efficiency, full modularity, and robust protections with a 10-year warranty. Its 7-inch casing requires adequate clearance, making it best for standard mid-tower or full-tower builds.
Thermaltake Toughpower Grand 850W Gold PSU
Best for: high-temperature continuous 850W ATX builds
- Modularity
- Fully Modular
- Wattage
- 850W
- Efficiency Rating
- 80 PLUS Gold
- ATX Version
- ATX 12V 2.3
- Fan Size
- 14cm
- Dimensions
- 13.3 × 8.27 × 6.18 inches
View on Amazon: Thermaltake Toughpower Grand 850W Gold PSU (paid link)
The Thermaltake Toughpower Grand 850W is an 80 PLUS Gold, fully modular ATX power supply built for sustained workloads. It delivers 850 watts of continuous power at 50 degrees Celsius and features 100% Japanese 105 degrees Celsius capacitors with a 140mm dual ball bearing fan. If you need a fully modular unit engineered for high-temperature stability and heavy continuous draw, this supply fits your standard ATX system.
Pros
- Delivers 850W continuous power at 50°C ambient temperatures
- 80 PLUS Gold certified with 87% to 93% efficiency
- 100% Japanese 105°C electrolytic and solid-state capacitors
- 140mm dual ball bearing fan for reduced friction
- Fully modular cable design
Cons
- Complies with older ATX 12V 2.3 standard without native 12VHPWR cables
- Chassis dimensions require substantial clearance inside standard PC cases
Good fit if
- You run heavy workloads requiring 850W continuous output at 50°C
- You want Japanese 105°C capacitors for component reliability
- You prefer fully modular cabling to eliminate unused wires
Skip if
- You need modern ATX 3.0 or PCIe 5.0 graphics connectors
- You have a compact case with tight power supply clearance
Verdict: Thermaltake Toughpower Grand 850W Gold Power Supply delivers stable continuous wattage with high-temperature tolerance and Japanese capacitors. It provides a robust fully modular base for setups that do not require newer ATX 3.0 specifications.
EVGA SuperNOVA 1600W Fully Modular PSU
Best for: extreme multi-GPU builds needing 1600W power
- Modularity
- Fully Modular
- Wattage
- 1600W
- Efficiency Rating
- 80 PLUS Gold
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 3.35 × 8.7 × 5.9 inches
View on Amazon: EVGA SuperNOVA 1600W Fully Modular PSU (paid link)
This power supply provides 1600W of power with 80 PLUS Gold efficiency. You get a fully modular cable design, allowing you to use only the cables you need. Cooling relies on a 140mm double ball bearing fan. Built-in safeguards include OVP, UVP, OCP, OPP, and SCP protections. It suits your build if you run multi-GPU configurations using NVIDIA SLI or Crossfire and require heavy power delivery backed by a 10-year warranty.
Pros
- 1600W power capacity
- 80 PLUS Gold efficiency rating
- Fully modular cabling
- 140mm double ball bearing fan
- 10-year warranty coverage
Cons
- Heavy 8-pound total weight
- Large footprint at 8.7 inches long
- Lacks Platinum or Titanium efficiency certification
Good fit if
- You need 1600W of power for NVIDIA SLI or Crossfire multi-GPU setups.
- You want fully modular cables to simplify system wiring.
- You want long-term coverage with a 10-year warranty.
Skip if
- You use a compact PC case that cannot fit an 8.7-inch power supply.
- You require higher efficiency levels like Platinum or Titanium.
Verdict: EVGA SuperNOVA 1600W Gold Fully Modular PSU delivers massive 1600W output for high-draw systems. It combines 80 PLUS Gold efficiency and heavy-duty protections with a 10-year warranty.
EVGA SuperNOVA 1600W 80 Plus Titanium PSU
Best for: ultra-high-draw multi-GPU workstation and gaming builds
- Modularity
- Fully Modular
- Wattage
- 1600W
- Efficiency Rating
- 80 PLUS Titanium
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 3.4 × 14.5 × 6 inches
View on Amazon: EVGA SuperNOVA 1600W 80 Plus Titanium PSU (paid link)
The EVGA SuperNOVA 1600W 80 Plus Titanium PSU gives you an ultra-high 1600-watt output paired with top-tier 80 PLUS Titanium efficiency. Its fully modular design keeps your case free of clutter by allowing you to attach only needed cables. Built with a 140mm double ball bearing fan, ECO Mode operation, and six hardware protections, this heavy unit provides massive capacity for multi-GPU configurations and extreme high-demand computing systems.
Pros
- 80 PLUS Titanium efficiency rating up to 96%
- 1600-watt continuous power delivery
- Fully modular cabling layout
- 140mm double ball bearing fan with ECO Mode
- 10-year manufacturer warranty
Cons
- Heavy chassis weighing 14.5 pounds
- Large dimensions require substantial enclosure clearance
Good fit if
- You run high-draw hardware requiring up to 1600 watts of power.
- You need top-tier 80 PLUS Titanium efficiency.
- You want fully modular cables to customize case airflow.
Skip if
- You build inside a compact or standard-depth PC case.
- You need a lightweight power supply for portable rigs.
Verdict: EVGA SuperNOVA 1600W 80 Plus Titanium PSU delivers massive wattage and top-tier efficiency for high-draw multi-GPU systems. Its heavy, fully modular design is built for spacious enclosures that need extreme power stability.
Specifications side by side
| Spec | Corsair SF 1000W Fully Modular PSU | MSI MAG 850W Fully Modular ATX Power Supply | Corsair RM850x 850W Fully Modular ATX 3.1 PSU | Corsair RM1000x 1000W ATX 3.1 PSU | Corsair RM1000e 1000W ATX Power Supply | Corsair RM1000x Shift 1000W Power Supply | Corsair RM850x Shift 850W White ATX Power Supply | MSI MAG ATX 3.0 Modular Power Supply | Corsair RM750x Shift White 750W ATX Power Supply | EVGA SuperNOVA G2 1300W Fully Modular PSU | EVGA Supernova 1000 P2 Platinum Power Supply | EVGA SuperNOVA 750 G2 750W Power Supply | Thermaltake Toughpower Grand 850W Gold PSU | EVGA SuperNOVA 1600W Fully Modular PSU | EVGA SuperNOVA 1600W 80 Plus Titanium PSU |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wattage | 1000 Watts | 850W | 850W | 1000W | 1000 Watt | 1000W | 850W | not specified | 750W | 1300W | 1000W | 750W | 850W | 1600W | 1600W |
| Efficiency Rating | 80 Plus | 80+ Gold | Cybenetics Gold | Cybenetics Gold | 80 PLUS Gold | 80 Plus Gold | 80 Plus Gold | 80 Plus Gold | 80 Plus Gold | 80 PLUS Gold | 80 PLUS Platinum | 80 PLUS Gold | 80 PLUS Gold | 80 PLUS Gold | 80 PLUS Titanium |
| Modularity | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Full Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular | Fully Modular |
| ATX Version | not specified | ATX 3.1 | ATX 3.1 | ATX 3.1 | not specified | ATX 3.0 | ATX 3.1 | ATX 3.0 | ATX 3.1 | not specified | not specified | not specified | ATX 12V 2.3 | not specified | not specified |
| PCIe Connector Type | not specified | 12V-2x6 | 12V-2x6 | 12V-2x6 | not specified | not specified | PCIe 5.1 | PCIe 5.0 | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Fan Size | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 120mm | 140mm | 140mm | 140mm | 140mm | 14cm | 140mm | 140mm |
| Warranty | not specified | 10 Year | not specified | not specified | not specified | not specified | not specified | not specified | not specified | 10 Year | 10 Year | 10 Year | not specified | 10 Year | 10 Year |
| Form Factor | not specified | ATX | ATX | ATX | ATX | ATX | ATX | ATX | ATX | not specified | not specified | not specified | ATX | not specified | not specified |
| PCIe Version | not specified | PCIe 5.1 | PCIe 5.1 | PCIe 5.1 | not specified | not specified | PCIe 5.1 | not specified | PCIe 5.1 | not specified | not specified | not specified | not specified | not specified | not specified |
| Recommended Use | not specified | Gaming | not specified | not specified | not specified | not specified | not specified | Gaming | not specified | not specified | not specified | not specified | not specified | not specified | not specified |
| Connector | not specified | 12V-2x6 Connector | 12V-2x6 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 |
| Size | 1000W | 850W (PCIE 5) | 850W | 1000W | 1000W | 1000W | 850W | not specified | 750W | 1300W | 1000W | 750W | 850W | 1600W | 1600 Watt |
| Dimensions | 7.6 × 9.4 × 11.3 inches | 12 × 8.75 × 4.92 inches | 2.3 × 3.39 × 5.91 inches | 2.3 × 3.39 × 5.91 inches | 5.91 × 5.51 × 3.39 inches | 7.09 × 5.91 × 5.08 inches | 6.3 × 5.91 × 3.39 inches | 11.8 × 7.9 × 3.9 inches | 6.3 × 5.91 × 3.39 inches | 7.4 × 12 × 11.2 inches | 7.8 × 6 × 3.3 inches | 7 × 5.9 × 3.4 inches | 13.3 × 8.27 × 6.18 inches | 3.35 × 8.7 × 5.9 inches | 3.4 × 14.5 × 6 inches |
| Weight | 2.31 pounds | not specified | 3.9 pounds | 6.88 pounds | 3.66 pounds | 4.2 pounds | 3.75 pounds | 3.97 pounds | 3.75 pounds | 8 pounds | 4.41 pounds | 6.6 pounds | 6 pounds | 8 pounds | 14.5 pounds |
| Color | Black | not specified | Black | Black | Black | Black | White | not specified | White | Black | not specified | not specified | not specified | Black | Black |
| Model | not specified | not specified | not specified | not specified | not specified | not specified | not specified | not specified | CP-9020273-NA | 120-G2-1300-XR | 220-P2-1000-XR | 220-G2-0750-XR | PS-TPG-0850MPCGUS-1 | 120-G2-1600-X1 | 220-T2-1600-X1 |
Is a fully modular power supply worth it?
Fully modular power supplies feature completely detachable cables. In daily use, this design lets you install the power supply into the chassis first and plug in cords later. You attach only the specific cables your build requires, such as dedicated 12V-2x6 or dual EPS12V lines, leaving spare cables in the box. Detachable connections also enable side-oriented layouts that route cords directly toward a side panel. This setup simplifies component swaps and prevents extra wires from cluttering your PC case.
Worth it if
- You want to connect only necessary leads like dedicated 12V-2x6 or dual EPS12V lines.
- You use a chassis configured specifically for side-mounted modular connections.
Skip it if
- You intend to connect every included cable to your motherboard, drives, and graphics cards.
- You use an enclosure that lacks clearance for modular plugs or side-facing connector blocks.
Verify the depth specifications of your chosen corsair PC case to ensure the chassis clearance accommodates these modular power supply dimensions.
How We Selected These Supplies
To select the 15 picks for 2026, we identify models that list fully modular cabling in their product title or feature bullets. You receive clean cable management because every cable detaches completely from the unit. All details come directly from specifications published on Amazon listings. Products are not physically handled. Only one model per product family is included to give you distinct options.
Products in stock appear first, then by Amazon sales rank (better-selling products first). The guide also ranks units by how many criteria their published specifications satisfy. These factors include wattage capacity, 80 Plus efficiency levels, ATX 3.1 and PCIe 5.1 compliance, and dedicated 12V-2x6 connectors. Stock status updates daily on the page.
How to Choose a Fully Modular Power Supply
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Calculate Your System Wattage
Select total wattage based on your system power requirements. Mainstream gaming setups run smoothly on 750 to 850 watts. Heavy workstation builds or multi-GPU configurations demand higher thresholds such as 1000 watts, 1300 watts, or 1600 watts. Compare the rated wattage spec directly against the combined demands of your graphics card and processor. Choosing a unit like the EVGA SuperNOVA 1600W Fully Modular PSU provides enough overhead for extreme multi-GPU hardware without running your power supply at its absolute operating ceiling.
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Compare Efficiency Level Ratings
Check the 80 Plus efficiency certification on the specification sheet. This rating indicates how effectively the supply converts alternating current from the wall into direct current for components. Units labeled 80 Plus Gold offer solid conversion efficiency for standard builds. If you operate continuous workloads, stepping up to 80 Plus Platinum or 80 Plus Titanium cuts internal heat generation. The EVGA Supernova 1000 P2 Platinum Power Supply specifies 80 Plus Platinum efficiency, making it suitable if your setup runs high-load tasks for extended periods.
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Verify Physical Case Dimensions
Measure your computer case power supply chamber before selecting a model. While standard ATX width and height are uniform, casing depth varies across wattage tiers. Longer power supplies can block lower drive cages and complicate cable routing in compact enclosures. For example, the EVGA SuperNOVA 750 G2 750W Power Supply features a 7-inch length, requiring a mid-tower or full-tower chassis with ample clearance. Always match the published length, width, and height against the interior dimensions specified by your case manufacturer.
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Check Modular Cable Orientation
Examine where the modular cable interface sits on the power supply casing. Most models place modular sockets on the back panel facing the front of your case. Specialized units position modular ports on the side panel for direct access behind the motherboard tray. The Corsair RM850x Shift 850W White ATX Power Supply uses this side-facing layout. You should verify your chassis has sufficient clearance between the side panel and the power supply compartment before choosing a side-interface model.
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Check Dual EPS12V Support
Check the CPU power connectors listed in the specifications if you run an enthusiast motherboard. Modern high-draw processors frequently require two 8-pin EPS12V connections to maintain stable power delivery during heavy computing tasks. Some standard power supplies include only a single EPS12V cable, which limits motherboard compatibility. The Corsair RM1000e 1000W ATX Power Supply specifies dual EPS12V connectors, ensuring full support for dual-socket or overclocking-oriented boards. Review your motherboard manual to verify whether your CPU socket demands one or two dedicated cables.
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Review Manufacturer Warranty Length
Review the manufacturer warranty term listed on the specification sheet. Power supplies run continuously and protect all other internal PC components from electrical faults. Long coverage periods indicate build confidence and durable internal parts like high-temperature capacitors. Several top-tier units provide extended coverage to ensure long-term dependability. The MSI MAG 850W Fully Modular ATX Power Supply includes a 10-year warranty. You should compare warranty length alongside wattage and efficiency to secure dependable coverage over multiple system upgrade cycles.
Frequently asked questions
What is the difference between 80 Plus Gold, Platinum, and Titanium efficiency ratings?
Efficiency ratings indicate how effectively your power supply converts alternating wall current into direct current. An 80 Plus Titanium unit like the EVGA SuperNOVA 1600W provides the highest energy efficiency tier among these options. Platinum models like the EVGA Supernova 1000 P2 sit between Gold and Titanium. Higher efficiency converts less electrical energy into waste heat, keeping your internal PC chassis cooler during high-load tasks.
What is the advantage of side-mounted modular connectors on a power supply?
Side-mounted modular connectors relocate the cable interface to the side edge of the chassis instead of the rear panel. Units such as the Corsair RM850x Shift and RM750x Shift use this layout to make attaching cords easier after mounting the unit. You must verify that your chassis provides enough side clearance behind the motherboard tray to route cables without bending them against the outer door.
Can you use modular cables from another power supply brand or model?
You should never mix and match modular cables between different power supplies. Cable pin assignments on the power supply interface are not universally standardized across brands or product lines. Plugging an incompatible modular cable into your hardware can route incorrect voltages directly into components and destroy them. Always use the exact modular cables provided in the package with your specific power supply.
Why should you check physical power supply dimensions before buying?
Physical dimensions determine whether a fully modular power supply fits inside your case alongside required cable clearance. Standard ATX units vary significantly in depth. For example, the EVGA SuperNOVA 1300W measures 7.4 inches long, while the EVGA Supernova 1000 P2 reaches 7.8 inches. You need adequate depth inside your chassis shroud to accommodate both the casing and the protruding modular cable plugs.
Why do some high-wattage power supplies include dual EPS12V connectors?
Dual EPS12V connectors supply dedicated supplementary 12-volt power directly to the processor through your motherboard. Models like the Corsair RM1000e include dual EPS12V connections to handle heavy electrical demands from high-performance CPUs. Dividing power across two separate cables helps manage heat dissipation, prevents cable overload, and maintains steady operating current under intense computational, rendering, or multi-core gaming workloads.
What is a 12V-2x6 connector on modern modular power supplies?
A 12V-2x6 connector is an updated high-capacity connection standard aligned with ATX 3.1 and PCIe 5.1 specifications. Supplies like the Corsair RM850x and Corsair RM1000x include this dedicated interface to deliver clean power directly to modern graphics cards. It routes high-wattage power through a single compact cable, eliminating the need to clutter your build with multi-cable PCIe splitter adapters.
When does a build require a 1600-watt fully modular power supply?
You need a 1600-watt power supply primarily when running multi-GPU workstations or extreme high-draw desktop configurations. Units like the EVGA SuperNOVA 1600W Gold and EVGA SuperNOVA 1600W Titanium deliver the high continuous output required to handle multiple graphics accelerators under heavy loads. Standard desktop systems with a single graphics card do not draw enough electricity to require this tier of capacity.