Best PC Power Supplies Under $200 in 2026: 15 Picks Ranked by Specs
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Choosing among the best PC power supplies under $200 requires evaluating wattage capacity, electrical efficiency, and chassis dimensions. We compared 15 units based entirely on the specifications published on their listings.
The EVGA SuperNOVA 750 G2 750W Power Supply earns the top spot due to its 80 PLUS Gold efficiency, fully modular design, and 10-year warranty. This guide helps you decide which physical form factor, wattage output, and connection layout suit your system requirements.
Quick picks
The best fit for you
- You need reliable modular power for standard desktop builds EVGA SuperNOVA 750 G2 750W Power Supply It provides 750W output, 80 PLUS Gold efficiency, fully modular cables, and a 10-year warranty.
- You want ATX 3.1 support and high wattage Thermaltake Toughpower GF3 1000W ATX 3.1 It delivers 1000W of power with ATX 3.1 support and a native 12V-2x6 connector.
- You build inside an ultra-compact Flex ATX case SilverStone 600W Flex ATX Power Supply It delivers 600W of continuous power in a slim Flex ATX form factor.
- You require maximum wattage for high-demand desktop hardware EVGA SuperNova G2 1300W Gold Power Supply It supplies 1300W of power with 80 PLUS Gold efficiency for heavy workloads.
Our 15 picks
EVGA SuperNOVA 750 G2 750W Power Supply
Best for: standard mid-to-high-tier modular PC builds
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 7 × 5.9 × 3.4 inches
The EVGA SuperNOVA 750 G2 is a 750W desktop power supply engineered for high-demand systems. It provides 80 PLUS Gold efficiency reaching up to 90% under typical loads, alongside fully modular cabling to keep your case tidy. With Japanese capacitors, five hardware protections, a 140mm double ball bearing fan, and ECO Mode, this unit delivers sustained power and comes backed by a 10-year warranty.
Pros
- 80 PLUS Gold certification delivering up to 90% efficiency
- Fully modular cable system to improve airflow
- 140mm double ball bearing fan with EVGA ECO Mode
- Heavy-duty OVP, UVP, OCP, OPP, and SCP protections
- 10-year manufacturer warranty with Japanese brand capacitors
Cons
- 7-inch body length requires more clearance than compact ATX units
- Weighs 6.6 pounds, adding substantial weight to a build
Good fit if
- You need 750W of continuous power with 80 PLUS Gold efficiency.
- You prefer fully modular cables to reduce case clutter.
- You want long-term coverage backed by a 10-year warranty.
Skip if
- You need more than 750W of power for high-draw hardware configurations.
- You are assembling a compact chassis that cannot clear a 7-inch-long unit.
Verdict: EVGA SuperNOVA 750 G2 750W Power Supply pairs 80 PLUS Gold efficiency with fully modular cabling and a 10-year warranty. It provides dependable power delivery and thermal control for standard desktop builds.
EVGA SuperNOVA 750W Platinum PSU
Best for: high-efficiency 750W ATX desktop builds
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Platinum
- Modularity
- Fully Modular
- Fan Size
- 140mm
- Warranty
- 10 Year
- Dimensions
- 6.5 × 5.91 × 3.3 inches
The EVGA SuperNOVA 750W Platinum Power Supply delivers 750 watts of output with 80 PLUS Platinum efficiency. It features a fully modular cable design, allowing you to attach only the leads your build requires. A 140mm double ball bearing fan handles cooling alongside EVGA ECO Mode, backed by all-Japanese capacitors. This unit suits you if you need efficient, stable power delivery in standard PC cases supporting a 6.5-inch chassis length.
Pros
- 80 PLUS Platinum certified efficiency
- Fully modular cabling simplifies wire routing
- 100% Japanese capacitors
- 140mm double ball bearing cooling fan
- 10-year warranty coverage
Cons
- 6.5-inch casing length needs ample clearance inside your case
- 750W capacity limits headroom for multi-GPU configurations
Good fit if
- You want 80 PLUS Platinum efficiency in a 750-watt configuration.
- You prefer fully modular cables to minimize internal clutter.
- You have a PC chassis with space for a 6.5-inch unit.
Skip if
- You need more than 750 watts of continuous power output.
- You are building inside a compact SFX or TFX chassis.
Verdict: EVGA SuperNOVA 750W Platinum Power Supply provides high-efficiency 80 PLUS Platinum power delivery with fully modular cabling for 750-watt systems. Its 140mm cooling fan and 10-year warranty offer long-term hardware reliability.
EVGA SuperNova G2 1300W Gold Power Supply
Best for: high-wattage builds needing 1300W modular power
- Wattage
- 1300W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Modular
- Dimensions
- 7.4 × 12 × 11.2 inches
- Weight
- 4 kilograms
The EVGA SuperNOVA G2 1300W Modular PSU provides high power capacity for your build. It delivers up to 1300W of output with an 80 Plus Gold efficiency rating and a modular cabling layout. At 4 kilograms and measuring 7.4 inches in length, this unit is built for demanding setups requiring extensive wattage. You will find it suits power-heavy configurations where standard wattage units fall short.
Pros
- 1300W power output
- 80 Plus Gold efficiency rating
- Modular cable design
Cons
- Heavy weight at 4 kilograms
- Large physical dimensions
Good fit if
- You need 1300W of capacity for high-draw hardware.
- You want an 80 Plus Gold certified modular unit.
- You have a PC chassis that accommodates a 4-kilogram power supply.
Skip if
- You need a compact or lightweight power supply.
- You do not require 1300W of total wattage.
Verdict: EVGA SuperNOVA G2 1300W Modular PSU delivers substantial 1300W output and 80 Plus Gold efficiency for high-demand PC builds. Its modular setup manages connections cleanly, though its 4-kilogram weight requires adequate chassis support.
EVGA SuperNOVA 850 G+ 850W PSU
Best for: builders needing 850W fully modular power
- Wattage
- 850W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Fan Size
- 135mm
- Warranty
- 10 Year
- Dimensions
- 7.1 × 5.9 × 3.35 inches
This is an 850-watt power supply featuring fully modular cabling and 80 PLUS Gold efficiency. You receive up to 90 to 92 percent efficiency under typical loads alongside a 135mm fluid dynamic bearing fan. The unit integrates OVP, UVP, OCP, OPP, SCP, and OTP hardware protections and comes with a 10-year warranty. It suits you if you configure a high-draw system requiring organized cable routing and long-term hardware safeguards.
Pros
- 850W output with 80 PLUS Gold efficiency rating
- Fully modular cabling for easier cable management
- 135mm fluid dynamic bearing fan
- Full protection suite including OVP, UVP, OCP, OPP, SCP, and OTP
- 10-year warranty coverage
Cons
- 7.1-inch housing length requires adequate chassis space
- Weight of 7 pounds adds heft to your build
Good fit if
- You need 850W of power with fully modular cables.
- You want comprehensive protection circuitry and a 10-year warranty.
- You have a PC chassis that fits a 7.1-inch long power supply.
Skip if
- You need an SFX or TFX power supply for a compact case.
- You require an 80 PLUS Platinum efficiency rating.
- You have a tight PC case with limited clearance for a 7.1-inch unit.
Verdict: EVGA SuperNOVA 850 G+ 850W Power Supply delivers 850W of fully modular power with 80 PLUS Gold efficiency and a 135mm fluid dynamic bearing fan. It suits demanding setups with its comprehensive electrical protections and 10-year warranty.
SilverStone 700W Platinum SFX Power Supply
Best for: compact builds needing high efficiency
- Wattage
- 700W
- Efficiency Rating
- 80 PLUS Platinum
- Fan Size
- 92mm
- Form Factor
- SFX
- Dimensions
- 3.94 × 4.92 × 2.5 inches
- Weight
- 4.59 pounds
This is an SFX form factor power supply delivering 700W with an 80 PLUS Platinum efficiency rating. It features a 92mm fluid dynamic bearing fan rated down to 18 dBA and uses all Japanese capacitors on a single +12V rail. Its compact dimensions suit small-form-factor builds where space is limited, though fitting it into standard ATX cases requires a separate bracket.
Pros
- 80 PLUS Platinum efficiency rating
- Compact SFX chassis measuring 3.94 inches in length
- 92mm fluid dynamic bearing fan with 18 dBA minimum noise level
- All Japanese capacitors
Cons
- Requires a separately sold adapter bracket for ATX mounting
- Smaller 92mm cooling fan compared to standard 120mm units
Good fit if
- You need a compact 700W unit for a small-form-factor chassis.
- You prioritize 80 PLUS Platinum efficiency.
- You want all Japanese capacitors on a single +12V rail.
Skip if
- You plan to mount directly into an ATX chassis without buying an extra bracket.
- You need more than 700W of total power output.
Verdict: SilverStone 700W Platinum SFX Power Supply delivers high electrical efficiency and Japanese capacitors inside a compact small-form-factor frame. It provides reliable power delivery for space-constrained systems requiring up to 700W.
Cooler Master V750 SFX Gold PCIe 5.1 PSU
Best for: mini-ITX builds needing ATX 3.1 power
- Efficiency Rating
- Gold
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12VHPWR
- Form Factor
- SFX
- PCIe Version
- PCIe 5.1
- Dimensions
- 3.94 × 4.92 × 2.5 inches
The Cooler Master V750 SFX Gold is a compact 750W power supply designed for mini-ITX builds. It supports the ATX 3.1 standard and includes a right-angle 90-degree 12VHPWR PCIe 5.1 cable delivering up to 450W to your graphics card. Its Gold efficiency rating and shortened cables keep small cases tidy. You will find it fits space-restricted setups requiring modern GPU power delivery.
Pros
- SFX form factor measuring 4.92 by 3.94 by 2.5 inches
- ATX 3.1 compliant with native PCIe 5.1 GPU power delivery
- Includes a right-angle 90-degree 12VHPWR cable
- Short factory cables reduce clutter in tight spaces
Cons
- Short cable lengths require separate extensions for standard cases
- PCIe 5.1 cable output is rated up to 450W rather than 600W
Good fit if
- You are assembling a mini-ITX build that requires an SFX power supply.
- You need an ATX 3.1 unit with an angled 90-degree 12VHPWR connection.
- You want short factory cables to prevent internal chassis clutter.
Skip if
- You use a mid-tower or full-tower case where short cables cannot reach.
- You run a flagship graphics card requiring a full 600W cable rating.
Verdict: Cooler Master V750 SFX Gold ATX 3.1 Power Supply packs 750W and PCIe 5.1 support into a compact SFX frame. It serves small builds needing up to 450W GPU delivery through an angled connector.
SilverStone 700W Gold TFX Power Supply
Best for: high-wattage compact TFX builds
- Wattage
- 700W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fixed Cable
- Fan Size
- 80mm
- Form Factor
- TFX
- Dimensions
- 6.9 × 3.4 × 2.6 inches
The SilverStone 700W Gold TFX Power Supply delivers 700W of continuous power in a compact TFX form factor. It features an 80 PLUS Gold efficiency rating and operates continuously at temperatures up to 50°C. An internal 80mm fan handles cooling with noise levels starting at 18 dBA. This unit fits small-form-factor builds where standard ATX or SFX supplies do not fit, giving you high capacity with non-modular, fixed cabling.
Pros
- 700W continuous output rated at 50°C for 24/7 operation
- 80 PLUS Gold certified energy efficiency
- Standard compact TFX form factor
- Low-noise 80mm cooling fan rated down to 18 dBA
Cons
- Fixed non-modular cables take up extra space in tight cases
- Uses a smaller 80mm fan rather than a standard 120mm fan
Good fit if
- You need 700W of power inside a slim TFX-compatible case.
- You run high workloads requiring 24/7 operation at up to 50°C.
Skip if
- You want fully modular cables to simplify cable routing in tight spaces.
- You have a chassis designed for standard ATX or SFX power supplies.
Verdict: SilverStone 700W Gold TFX Power Supply brings high-wattage Gold efficiency to specialized slim systems. It gives you 24/7 reliability at high temperatures if your build accommodates fixed cabling.
Be Quiet! TFX Power 3 TFX Power Supply
Best for: slim cases requiring TFX form factor
- Form Factor
- TFX
- Dimensions
- 6.89 × 3.35 × 2.56 inches
- Weight
- 3.09 pounds
The be quiet! TFX Power 3 TFX Power Supply is a slim power unit designed specifically for compact cases. It features strict TFX dimensions, measuring 6.89 inches long, 3.35 inches wide, and 2.56 inches high. At 3.09 pounds, this black supply fits slim desktop cases that lack space for standard ATX hardware. It suits you if you need a replacement unit inside a dedicated TFX enclosure.
Pros
- TFX form factor designed for slim cases
- Compact 6.89 x 3.35 x 2.56-inch dimensions
- Weighs 3.09 pounds
Cons
- Incompatible with standard ATX power supply mounts
- Wattage specification is not listed in product data
Good fit if
- You need a power supply built strictly for the TFX form factor.
- You have a slim chassis with clearance for 6.89-inch length.
Skip if
- You need an ATX or SFX form factor power supply.
- You require verified wattage specifications prior to purchase.
Verdict: be quiet! TFX Power 3 TFX Power Supply provides a compact TFX footprint measuring 6.89 by 3.35 by 2.56 inches for slim computer enclosures. It is a solid choice when you need a dedicated replacement unit for small desktop systems.
SilverStone 750W Platinum SFX PSU
Best for: compact small form factor Mini-ITX systems
- Wattage
- 750W
- Efficiency Rating
- 80 Plus Platinum
- Modularity
- Fully Modular
- Fan Size
- 92mm
- Form Factor
- SFX
- Dimensions
- 3.94 × 4.92 × 2.5 inches
The SilverStone 750W Platinum SFX Power Supply delivers high-density power in a standard small form factor chassis measuring 3.94 inches long. You get 750W output backed by 80 PLUS Platinum efficiency and fully modular cabling. A 92mm dual ball bearing fan provides auto start-stop operation using load and temperature triggers. This unit suits you if you are assembling a compact Mini-ITX build that needs high electrical efficiency and reduced internal cable clutter.
Pros
- 80 PLUS Platinum efficiency rating
- Fully modular cable design
- All Japanese internal capacitors
- 92mm dual ball bearing fan with auto start-stop
Cons
- Smaller 92mm fan compared to standard ATX power supplies
- 750W ceiling limits multi-GPU or extreme power configurations
Good fit if
- You build in a compact Mini-ITX or small form factor case.
- You require 80 PLUS Platinum electrical efficiency.
- You need fully modular cables to manage case airflow.
Skip if
- You need 850W or higher capacity for heavy workloads.
- You build inside a standard case with native ATX mounting.
Verdict: SilverStone 750W Platinum SFX Power Supply delivers high electrical efficiency and modular cables in a true small form factor footprint. It is a solid choice for compact systems needing up to 750W of power.
EVGA 1000W G6 Gold Modular Power Supply
Best for: compact high-power ATX desktop builds
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Warranty
- 10 Year
- Dimensions
- 5.5 × 5.91 × 3.4 inches
- Weight
- 6.6 pounds
The EVGA 1000 G6 provides 1000W of continuous output with 80 Plus Gold efficiency and full modularity. Measuring 5.5 inches long, it integrates a full-bridge LLC resonant converter, DC-DC architecture, and 100% Japanese capacitors. An FDB fan handles cooling alongside an ECO mode for quiet operation, backed by a 10-year warranty. You get high capacity in a compact chassis, making it a solid fit if you run power-heavy hardware.
Pros
- 1000W output with 80 Plus Gold efficiency rating
- Fully modular cable design simplifies installation
- 100% Japanese capacitors with full-bridge LLC topology
- Fluid dynamic bearing fan equipped with ECO mode
- Long 10-year manufacturer warranty coverage
Cons
- 80 Plus Gold efficiency is lower than Platinum models
- Full ATX physical dimensions do not fit SFF cases
Good fit if
- You need 1000W of fully modular power for high-draw hardware.
- You prefer a 5.5-inch ATX footprint with a 10-year warranty.
- You want an FDB cooling fan with an optional ECO mode.
Skip if
- You require an SFX, TFX, or FlexATX form factor.
- You want an 80 Plus Platinum efficiency rating.
Verdict: EVGA 1000 G6 1000W Gold Modular PSU delivers 1000W of reliable power with Japanese capacitors and a 5.5-inch length. It balances high output, full modularity, and a 10-year warranty for demanding ATX desktop setups.
Lian Li 750W SFX Gold Power Supply
Best for: compact small-form-factor gaming and workstation builds
- Wattage
- 750W
- Efficiency Rating
- 80 PLUS Gold
- Modularity
- Fully Modular
- Form Factor
- SFX
- Dimensions
- 4 × 3 × 5 inches
The Lian Li SFX 750W Gold Power Supply gives you a compact power source designed for small-form-factor desktop builds. It delivers 750W of power and carries an 80 PLUS Gold efficiency certification to reduce wasted heat. Fully modular cabling allows you to attach only the leads your components require, saving room inside tight enclosures. This unit suits you if you need high wattage in a space-constrained PC setup.
Pros
- Compact SFX form factor measuring 3 x 5 x 4 inches
- 750W total power capacity
- 80 PLUS Gold efficiency rating
- Fully modular cable design
Cons
- Lower capacity than 850W or 1000W alternatives on this list
- No alternative color options listed beyond black
Good fit if
- You are building a compact PC that requires an SFX power supply.
- You want fully modular cables to simplify routing in tight spaces.
Skip if
- You need 850W or more for power-heavy graphics configurations.
- You are building in a standard case that uses full-size ATX units.
Verdict: Lian Li SFX 750W Gold Power Supply delivers reliable 750W output and fully modular cabling in a space-saving SFX chassis. It provides the essential power and efficiency needed for dense small-form-factor desktop configurations.
SilverStone 600W Flex ATX Power Supply
Best for: high-efficiency ultra-small-form-factor builds
- Wattage
- 600W
- Efficiency Rating
- Cybenetics Platinum
- PCIe Connector Type
- PCIe 8pin, PCIe 6pin
- Form Factor
- Flex ATX
- Dimensions
- 5.91 × 3.21 × 1.59 inches
- Weight
- 3.37 pounds
This is a 600W Flex ATX power supply designed for ultra-compact systems. It features a Cybenetics Platinum efficiency rating and delivers 600W continuous power output at 40°C for 24/7 operation. The unit includes a single +12V rail with a Japanese primary capacitor and supports PCIe 8-pin and 6-pin connections. It suits you if you need high efficiency and steady output in a 1.59-inch tall chassis.
Pros
- Cybenetics Platinum efficiency rating
- 600W continuous output rated at 40℃ for 24/7 operation
- Compact Flex ATX form factor measuring 1.59 inches tall
- Japanese primary capacitor on a single +12V rail
Cons
- Fan reaches up to 48dBA under heavy loads
- Limited to standard PCIe 8-pin and 6-pin power connections
- Continuous capacity tops out at 600W
Good fit if
- You need a dedicated Flex ATX unit for an ultra-small enclosure.
- You require Cybenetics Platinum efficiency in continuous 24/7 operation.
- You run components powered by standard PCIe 8-pin and 6-pin connectors.
Skip if
- You need more than 600W of total system output.
- You require native high-wattage 12V-2x6 or 12VHPWR GPU cables.
- You require noise levels lower than 48dBA under peak operation.
Verdict: SilverStone 600W Flex ATX Power Supply delivers Cybenetics Platinum efficiency and 600W continuous output for space-constrained cases. It provides reliable single-rail delivery with a Japanese primary capacitor in a compact 1.59-inch profile.
Lian Li 850W White SFX Power Supply
Best for: compact white small-form-factor PC builds
- Wattage
- 850 WATT
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Fully Modular
- Form Factor
- SFX
The Lian Li SP850 850W White SFX Power Supply provides 850 watts of power in a compact SFX form factor. It features an 80 Plus Gold efficiency rating and a fully modular cable layout to streamline cable routing. The white casing fits light-themed builds. This unit suits you if you are assembling a compact, small-form-factor system that demands high wattage without the bulk of standard ATX hardware.
Pros
- 850-watt output in a compact SFX form factor
- 80 Plus Gold efficiency rating
- Fully modular cabling simplifies small-chassis cable management
- White exterior casing for color-matched builds
Cons
- SFX form factor requires an adapter bracket for standard ATX cases
- Efficiency tops out at 80 Plus Gold rather than Platinum
Good fit if
- You need 850 watts of power inside a compact SFX chassis.
- You are building an all-white or light-colored PC setup.
- You want fully modular cables to minimize clutter in small spaces.
Skip if
- You are building in a standard ATX case that does not require SFX dimensions.
- You require an 80 Plus Platinum or higher efficiency rating.
Verdict: Lian Li SP850 850W White SFX Power Supply delivers 850 watts of fully modular, 80 Plus Gold power for compact systems. It is a solid choice if you need high capacity in a small white enclosure.
Thermaltake Toughpower GF3 1000W ATX 3.1
Best for: high-wattage ATX systems needing PCIe 5.1 support
- Wattage
- 1000W
- Efficiency Rating
- 80 Plus Gold
- Modularity
- Full Modular
- ATX Version
- ATX 3.1
- PCIe Connector Type
- 12V-2x6
- Fan Size
- 135mm
This Thermaltake Toughpower GF3 unit delivers 1000W of fully modular power built to ATX 3.1 standards. You get an 80 Plus Gold efficiency rating alongside a dedicated PCIe 5.1 12V-2x6 cable rated for up to 600W. Its 135mm fan handles internal cooling inside standard ATX enclosures. It suits you if you need high wattage and modern GPU power delivery for current-generation desktop components without dealing with extra adapter cables.
Pros
- Delivers 1000W total capacity with 80 Plus Gold efficiency
- Complies with ATX 3.1 standards for handling power excursions
- Native PCIe 5.1 12V-2x6 cable delivers up to 600W
- Fully modular flat cables with color-matched connectors
Cons
- Standard ATX dimensions do not fit SFX or compact ITX cases
- Efficiency level is 80 Plus Gold rather than Platinum or Titanium
Good fit if
- You need a 1000W power supply for high-draw graphics cards and processors
- You want native PCIe 5.1 12V-2x6 power delivery without external adapters
- You prefer flat, fully modular cables for streamlined routing in an ATX chassis
Skip if
- You are building a compact system that requires an SFX or TFX power supply
- You require 80 Plus Platinum or Titanium efficiency levels
Verdict: Thermaltake Toughpower GF3 1000W ATX 3.1 PSU provides 1000W of reliable power with modern ATX 3.1 and native 600W 12V-2x6 connectivity. It gives you full modularity and dependable 80 Plus Gold efficiency for high-end desktop builds.
Lian Li SP850 850W Gold SFX Power Supply
Best for: high-power small-form-factor PC builds
- Wattage
- 850W
- Efficiency Rating
- 80+ Gold
- Modularity
- Fully Modular
- Form Factor
- SFX
- Dimensions
- 10 × 8 × 5 inches
The Lian Li SP850 is an SFX form-factor power supply delivering 850W of continuous power. It features an 80 Plus Gold efficiency rating to manage energy use effectively during operation. With its fully modular design and included 16 AWG cables, you only plug in the connections you actually need for your build. This setup suits you if you assemble a compact small-form-factor system that requires high wattage.
Pros
- 850W continuous power output
- Compact SFX form factor
- 80 Plus Gold efficiency rating
- Fully modular cable design
Cons
- Requires an SFX-compatible case or bracket
- Connector counts and cable types not listed in specs
Good fit if
- You are building a compact PC requiring an SFX power supply.
- You need 850W of power for demanding hardware.
- You want fully modular cables to minimize interior clutter.
Skip if
- You need a standard full-size ATX power supply.
- You require an efficiency rating higher than 80 Plus Gold.
Verdict: Lian Li SP850 850W SFX Power Supply delivers high wattage and 80 Plus Gold efficiency in a fully modular SFX package. It provides a compact power solution for space-restricted builds.
Specifications side by side
| Spec | EVGA SuperNOVA 750 G2 750W Power Supply | EVGA SuperNOVA 750W Platinum PSU | EVGA SuperNova G2 1300W Gold Power Supply | EVGA SuperNOVA 850 G+ 850W PSU | SilverStone 700W Platinum SFX Power Supply | Cooler Master V750 SFX Gold PCIe 5.1 PSU | SilverStone 700W Gold TFX Power Supply | Be Quiet! TFX Power 3 TFX Power Supply | SilverStone 750W Platinum SFX PSU | EVGA 1000W G6 Gold Modular Power Supply | Lian Li 750W SFX Gold Power Supply | SilverStone 600W Flex ATX Power Supply | Lian Li 850W White SFX Power Supply | Thermaltake Toughpower GF3 1000W ATX 3.1 | Lian Li SP850 850W Gold SFX Power Supply |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wattage | 750W | 750W | 1300W | 850W | 700W | not specified | 700W | not specified | 750W | 1000W | 750W | 600W | 850 WATT | 1000W | 850W |
| Efficiency Rating | 80 PLUS Gold | 80 PLUS Platinum | 80 Plus Gold | 80 Plus Gold | 80 PLUS Platinum | Gold | 80 PLUS Gold | not specified | 80 Plus Platinum | 80 Plus Gold | 80 PLUS Gold | Cybenetics Platinum | 80 Plus Gold | 80 Plus Gold | 80+ Gold |
| Modularity | Fully Modular | Fully Modular | Modular | Fully Modular | not specified | not specified | Fixed Cable | not specified | Fully Modular | Fully Modular | Fully Modular | not specified | Fully Modular | Full Modular | Fully Modular |
| ATX Version | not specified | not specified | not specified | not specified | not specified | ATX 3.1 | not specified | not specified | not specified | not specified | not specified | not specified | not specified | ATX 3.1 | not specified |
| PCIe Connector Type | not specified | not specified | not specified | not specified | not specified | 12VHPWR | not specified | not specified | not specified | not specified | not specified | PCIe 8pin, PCIe 6pin | not specified | 12V-2x6 | not specified |
| Fan Size | 140mm | 140mm | not specified | 135mm | 92mm | not specified | 80mm | not specified | 92mm | not specified | not specified | not specified | not specified | 135mm | not specified |
| Warranty | 10 Year | 10 Year | not specified | 10 Year | not specified | not specified | not specified | not specified | not specified | 10 Year | not specified | not specified | not specified | not specified | not specified |
| Form Factor | not specified | not specified | not specified | not specified | SFX | SFX | TFX | TFX | SFX | not specified | SFX | Flex ATX | SFX | ATX | SFX |
| PCIe Version | not specified | not specified | not specified | not specified | not specified | PCIe 5.1 | not specified | not specified | not specified | not specified | not specified | not specified | not specified | PCIe 5.1 | not specified |
| 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 | 12V-2x6 Connector | not specified |
| Size | 750W | 750W | not specified | 850W | 700W | 750 | 700W | not specified | 750W | 1000W | not specified | 600W | not specified | 1000W | 16 AWG size |
| Dimensions | 7 × 5.9 × 3.4 inches | 6.5 × 5.91 × 3.3 inches | 7.4 × 12 × 11.2 inches | 7.1 × 5.9 × 3.35 inches | 3.94 × 4.92 × 2.5 inches | 3.94 × 4.92 × 2.5 inches | 6.9 × 3.4 × 2.6 inches | 6.89 × 3.35 × 2.56 inches | 3.94 × 4.92 × 2.5 inches | 5.5 × 5.91 × 3.4 inches | 4 × 3 × 5 inches | 5.91 × 3.21 × 1.59 inches | not specified | 6.3 × 5.9 × 3.4 inches | 10 × 8 × 5 inches |
| Weight | 6.6 pounds | 5.95 pounds | 4 kilograms | 7 pounds | 4.59 pounds | 3.13 pounds | not specified | 3.09 pounds | not specified | 6.6 pounds | not specified | 3.37 pounds | not specified | 3.95 pounds | not specified |
| Model | 220-G2-0750-XR | 220-P2-0750-X1 | 120-G2-1300-X3 | 120-GP-0850-X1 | SX700-PT | MPY-7501-SFHAGV-3U1 | SST-TX700-G | BN323 | PS-SX750-PT-X | 220-G6-1000-X1 | SP750 | not specified | SP850W | PS-TPD-1000FNFAGU-4 | SP850B |
| Color | not specified | Black | not specified | gold | not specified | Black Edition | black (lead-free paint) | Black | not specified | not specified | Black | not specified | white | Black | not specified |
Specification Trade-Offs Under $200
When you shop Under $200, you balance high wattage with modern standard support. Most selections provide 80 PLUS Gold efficiency, with only a few reaching Platinum. While models in this group deliver output up to 1300W, ATX 3.1 and PCIe 5.1 support remains scarce across the list, appearing on just two units. Compact form factors like SFX, TFX, and Flex ATX also require compromises, as some smaller chassis designs omit fully modular cabling or settle for lower maximum capacities such as 600W.
- PCIe version: Only two power supplies provide PCIe 5.1 support.
- Efficiency rating: Most units deliver 80 PLUS Gold rather than Platinum.
- Modularity: Select compact TFX and Flex ATX form factors omit fully modular cabling.
How We Picked These Supplies
This guide selects power supplies from Amazon listings matching Under $200. You see only one size or variant of each product family to keep comparisons direct and simple. All details come directly from specifications and feature lists published on the listings. Products are not physically handled.
In this guide, you see products in stock first. Live availability refreshes at least daily on the page. Because listings shift over time, products move into or out of the Under $200 group automatically. You can review the 15 picks to evaluate the specifications for your setup in 2026.
How to Select the Right Power Supply
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Compare Efficiency Ratings
Check the 80 PLUS certification on the specification sheet. This rating indicates how effectively the unit converts wall power into direct current without excess heat waste. An 80 PLUS Gold rating provides dependable electrical efficiency for typical gaming and productivity systems. If you run your computer continuously under heavy workloads, step up to 80 PLUS Platinum. Units like the SilverStone 750W Platinum SFX PSU deliver this higher level of electrical efficiency to reduce thermal loss inside tight or high-draw desktop computer builds.
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Select Your Modularity Type
Examine the cable configuration before making a purchase. A fully modular power supply allows you to plug in only the specific cables your setup requires. This reduces unnecessary clutter, which improves airflow and makes assembly easier in compact spaces. Fixed cabling includes all wires permanently attached to the chassis. If your case lacks dedicated cable routing room, fixed wiring can complicate assembly. Units such as the SilverStone 700W Gold TFX Power Supply feature fixed cabling, requiring you to tuck unused cables inside your computer chassis.
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Verify PCIe Connector Standards
Review the supported ATX and PCIe versions if you plan to install modern graphics hardware. Newer components benefit from the updated ATX 3.1 standard and PCIe 5.1 specifications. These power supplies include native high-wattage connections, such as the 12V-2x6 connector, which deliver power directly to your graphics card without bulky multi-cable adapters. The Thermaltake Toughpower GF3 1000W ATX 3.1 includes this dedicated connector. Choosing a unit with updated connector standards simplifies wiring and supports high-demand graphics hardware cleanly.
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Measure Physical Case Clearance
Check the exact physical depth of the power supply against your chassis clearance specifications. While standard ATX power supplies share the same width and height, their length varies significantly based on internal layout and wattage output. A shorter unit provides vital room for cable bends and chassis drive cages. For example, the EVGA 1000W G6 Gold Modular Power Supply measures 5.5 inches long, leaving more clearance in mid-tower cases than longer high-wattage units. Always measure your available chassis space before you decide.
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Review Manufacturer Warranty Terms
Review the warranty coverage provided by the manufacturer. Power supplies endure continuous electrical and thermal stress, making a substantial warranty period an important indicator of build quality. Premium desktop units often include coverage extending up to a full decade. For instance, the EVGA SuperNOVA 850 G+ 850W PSU includes a 10-year warranty alongside its internal electrical protections. If you plan to keep your power unit across multiple component upgrades, select a model backed by a long manufacturer warranty.
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Calculate Total Wattage Needs
Calculate the combined power requirements of your processor, graphics card, and storage drives to determine your target wattage. Operating with adequate headroom keeps the supply running comfortably below its maximum limits. Standard mid-tier desktop computers operate smoothly on 700W or 750W power units. If you run power-intensive processors or multiple heavy components, higher capacities are necessary. Models like the EVGA SuperNova G2 1300W Gold Power Supply provide substantial 1300W capacity, ensuring sufficient electrical overhead for the most demanding multi-component hardware configurations.
Frequently asked questions
What is the difference between SFX and ATX power supplies?
SFX power supplies use much smaller physical dimensions than standard ATX units to fit compact cases. For example, the SilverStone 700W Platinum SFX measures 4.92 by 2.5 by 3.94 inches, whereas standard ATX models like the EVGA SuperNOVA 750 G2 measure 5.9 by 3.4 by 7 inches. You choose SFX for Mini-ITX cases and ATX for mid-tower or full-tower desktop builds.
Can an SFX power supply fit inside a standard desktop case?
You can install an SFX unit in a standard ATX enclosure if your case or bracket supports the smaller footprint. Units like the Lian Li SP850 or Cooler Master V750 SFX save internal volume, which frees up clearance for cooling and cable routing. You need to ensure the modular cable lengths reach your motherboard and graphics card components properly.
What does PCIe 5.1 support provide for your graphics card?
PCIe 5.1 support provides updated power delivery standards designed for modern graphics cards using dedicated high-power connectors. On models like the Thermaltake Toughpower GF3 1000W, this includes a native 12V-2x6 connector delivering up to 600W directly to your GPU. Small-form-factor units like the Cooler Master V750 SFX Gold provide up to 450W of GPU delivery through an angled connector.
What types of PC cases require a TFX power supply?
A TFX power supply powers slim desktop systems and specialized small-profile computer enclosures. These units feature an elongated, narrow profile instead of a boxy cube shape. The SilverStone 700W Gold TFX measures 3.4 by 2.6 by 6.9 inches, while compact TFX units like model BN323 measure 3.35 by 2.56 by 6.89 inches. You use them as dedicated replacements in low-profile desktop configurations.
When do you need a Flex ATX power supply?
A Flex ATX power supply fits ultra-compact enclosures, 1U rackmount chassis, and custom small-form-factor builds where internal space is extremely restricted. The SilverStone 600W Flex ATX unit features a thin 1.59-inch height profile and 3.21-inch width to fit tight enclosures. It delivers continuous power and Cybenetics Platinum efficiency using a single-rail configuration and a Japanese primary capacitor.
How does power supply length affect chassis compatibility?
Physical length determines whether your power supply clears internal drive cages, bottom-mounted fans, and cable management pathways inside your chassis. Compact ATX models like the EVGA 1000W G6 measure only 5.5 inches long, maximizing lower compartment clearance. In contrast, high-wattage units like the EVGA SuperNOVA G2 1300W reach 7.4 inches in length and weigh 4 kilograms, requiring substantial chassis clearance and physical support.
What are the practical advantages of fully modular cabling?
Fully modular cabling lets you attach only the specific power cables your hardware configuration requires. Leaving unused power cables detached reduces internal clutter and improves airflow across your PC components. Units such as the EVGA SuperNOVA 750W Platinum and SilverStone 750W Platinum SFX feature modular ports, allowing you to disconnect excess graphics card, SATA, or peripheral power lines during assembly.