850 Watts, Platinum, SFX, Fully modular
Power Supplies under $250
15 power supplies under $250 from SilverStone, Corsair, ASUS and more. Most cost $160 to $249, and half cost less than $210.
Spec score 9.1
+850W output for higher-power builds
+Fully modular cable design
+Compact SFX form factor for small cases
$173.85-23%List: $224.99
as of 11/04/2026 13:10 PST - DetailsProduct details
CORSAIR SF850 (2024) Fully Modular Low Noise ATX Power Supply – Black | Low-Noise, Fully Modular, 80 PLUS Platinum,
$173.85as of 11/04/2026 13:10 PST - Details
View on AmazonSpec score9.1
Pros
+850W output for higher-power builds
+Fully modular cable design
+Compact SFX form factor for small cases
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
−850 watts: 22 of the 36 here have more watts
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.2
1000 Watts, Platinum, ATX, Fully modular
+1000 watt output for high-power systems
+ATX 3.1 standard supports newer GPUs
+Fully modular cables for a tidy build
$231.99-20%List: $289.99
as of 11/04/2026 13:10 PST - DetailsProduct details
CORSAIR HX1000i ATX 3.1 PCIe 5.1 1000W Power Supply – Black | Ultra Low-Noise, Fully Modular, 80 PLUS Platinum, Fluid
$231.99as of 11/04/2026 13:10 PST - Details
View on AmazonSpec score9.2
Pros
+1000 watt output for high-power systems
+ATX 3.1 standard supports newer GPUs
+Fully modular cables for a tidy build
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
+1000 watts: only 3 of 36 here have more watts
How pros and cons are picked (About: Disclaimer)About this product
Spec score 8.3
1000 Watts, Platinum, ATX, ATX 3.1
+1000W output for high-power graphics cards and builds
+ATX 3.1 standard with PCIe 5.1 support
+Zero RPM low-noise fan mode
$169.90-15%List: $199.90
as of 11/04/2026 13:06 PST - DetailsProduct details
be quiet! Power Zone 2 1000W, ATX 3.1, PCIe 5.1, 80+ Platinum Power Supply | Zero RPM Low-Noise PSU, Pure Wings 3 140mm
$169.90as of 11/04/2026 13:06 PST - Details
View on AmazonSpec score8.3
Pros
+1000W output for high-power graphics cards and builds
+ATX 3.1 standard with PCIe 5.1 support
+Zero RPM low-noise fan mode
+16-pin GPU connector included
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
+1000 watts: only 3 of 36 here have more watts
−Fully modular not listed: 26 of the 36 here list one
How pros and cons are picked (About: Disclaimer)Other stores (5)
Best BuyVisit store
TikTok For BusinessVisit store
WalmartVisit store
B&H PhotoVisit store
Central ComputersVisit store
About this product
Spec score 8.2
850 Watts, Platinum, SFX, ATX 3.0
+Compact SFX form factor for small builds
+850W output for high-end systems
+Includes 16-pin GPU connector
$217.99-7%Was: $233.99
as of 11/04/2026 07:08 PST - DetailsProduct details
SilverStone Technology Extreme 850R Platinum Cybenetics Platinum 850W SFX12V 4.0 (ATX 3.0) & PCIe 5.0 SFX Power Supply,
$217.99as of 11/04/2026 07:08 PST - Details
View on AmazonSpec score8.2
Pros
+Compact SFX form factor for small builds
+850W output for high-end systems
+Includes 16-pin GPU connector
+ATX 3.0 compliant
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
−Fully modular not listed: 26 of the 36 here list one
−850 watts: 22 of the 36 here have more watts
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.2
1000 Watts, Platinum, SFX, Fully modular
+1000W output for high-end graphics cards and demanding builds
+Fully modular cables for a cleaner build
+SFX form factor for small form factor builds
−SFX size fits only small form factor cases
$184.99
as of 11/04/2026 17:07 PST - DetailsProduct details
LIAN LI SP1000P 1000W SFX Power Supply, 80 Plus Platinum, Black (SP1000P.B) | 12V-2x6 Cable, ATX 3.1 & PCIE 5.1
$184.99as of 11/04/2026 17:07 PST - Details
View on AmazonSpec score9.2
Pros
+1000W output for high-end graphics cards and demanding builds
+Fully modular cables for a cleaner build
+SFX form factor for small form factor builds
+Includes 16-pin GPU connector for newer graphics cards
+ATX 3.1 standard for current PC builds
Cons−SFX size fits only small form factor cases
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
+1000 watts: only 3 of 36 here have more watts
How pros and cons are picked (About: Disclaimer)Other stores (1)
Best BuyVisit store
About this product
Spec score 9.0
750 Watts, Platinum, ATX, Fully modular
+750W output for mid-range builds
+Fully modular cables for a cleaner build
+Includes 16-pin GPU connector for newer graphics cards
$199.00
as of 11/04/2026 18:05 PST - DetailsProduct details
MONTECH TITAN PLA 750W Power Supply, Fully Modular 80 Plus Platinum, White | ATX 3.1, PCIe 5.1 GPU Support, Native$199.00as of 11/04/2026 18:05 PST - Details
View on AmazonSpec score9.0
Pros
+750W output for mid-range builds
+Fully modular cables for a cleaner build
+Includes 16-pin GPU connector for newer graphics cards
+ATX 3.1 standard for current PC builds
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
−750 watts: 25 of the 36 here have more watts
How pros and cons are picked (About: Disclaimer)Other stores (1)
WalmartVisit store
About this product
Spec score 9.0
750 Watts, Platinum, SFX, Fully modular
+Compact SFX form factor for small builds
+750W output for high-end systems
+Fully modular cable design
$159.99
as of 11/04/2026 07:08 PST - DetailsProduct details
SilverStone SX750 Platinum, 750W SFX Fully Modular 80 PLUS Platinum Power Supply, SST-SX750-PT
$159.99as of 11/04/2026 07:08 PST - Details
View on AmazonSpec score9.0
Pros
+Compact SFX form factor for small builds
+750W output for high-end systems
+Fully modular cable design
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
−750 watts: 25 of the 36 here have more watts
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.2
1000 Watts, Platinum, ATX, Fully modular
+1000W output for high-wattage graphics cards and systems
+Fully modular cabling reduces loose cables
+16-pin GPU connector included
$159.99-16%List: $189.99
as of 11/04/2026 18:06 PST - DetailsProduct details
MSI MAG A1000PLS PCIE5, Fully Modular Gaming 1000W Power Supply, 80+ Platinum, Native 12V-2x6 Cables, GPU Safeguard,
$159.99as of 11/04/2026 18:06 PST - Details
View on AmazonSpec score9.2
Pros
+1000W output for high-wattage graphics cards and systems
+Fully modular cabling reduces loose cables
+16-pin GPU connector included
+ATX 3.1 standard for current PC builds
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
+1000 watts: only 3 of 36 here have more watts
How pros and cons are picked (About: Disclaimer)Other stores (5)
Best BuyVisit store
WalmartVisit store
Micro CenterVisit store
MSI Online StoreVisit store
NeweggVisit store
About this product
Spec score 9.2
1000 Watts, Platinum, ATX, Fully modular
+Platinum: only 1 of 32 here have a higher efficiency
+1000 watts: only 3 of 36 here have more watts
$239.99
as of 11/04/2026 12:10 PST - DetailsProduct details
ASUS ROG Strix 1000W Platinum (Fully Modular Power Supply, 80 Plus Platinum Certified, ATX 3.1, Cybenetics Lambda A+,
$239.99as of 11/04/2026 12:10 PST - Details
View on AmazonSpec score9.2
Compared with the 15 Power Supplies on this pagePros
+Platinum: only 1 of 32 here have a higher efficiency
+1000 watts: only 3 of 36 here have more watts
How pros and cons are picked (About: Disclaimer)Other stores (1)
Best BuyVisit store
About this product
Spec score 9.3
1300 Watts, Platinum, ATX, Fully modular
+1300W output for high-power builds
+Fully modular cabling reduces cable clutter
+16-pin GPU connector support
$249.99
as of 11/04/2026 13:10 PST - DetailsProduct details
Cooler Master X Silent MAX 1300 Platinum Power Supply, PCIe 5.1 Ready | Certification Cybenetics Platinum & Noise A++,
$249.99as of 11/04/2026 13:10 PST - Details
View on AmazonSpec score9.3
Pros
+1300W output for high-power builds
+Fully modular cabling reduces cable clutter
+16-pin GPU connector support
+ATX 3.1 compliant
Compared with the 15 Power Supplies on this page+1300 watts: the most watts of the 36 here
+Platinum: only 1 of 32 here have a higher efficiency
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.2
1000 Watts, Platinum, ATX, Fully modular
+1000W output for high-wattage gaming and workstation builds
+Fully modular cabling for cleaner builds
+ATX 3.1 compatible with PCIe 5.1 readiness
−Full ATX form factor needs a larger case
$199.99
as of 11/04/2026 12:08 PST - DetailsProduct details
Antec HCG1000 PRO ATX 3.1 1000W Full Modular Power Supply, Black | ATX 3.1 & PCIe 5.1 Ready, Full Modular, 80 Plus
$199.99as of 11/04/2026 12:08 PST - Details
View on AmazonSpec score9.2
Pros
+1000W output for high-wattage gaming and workstation builds
+Fully modular cabling for cleaner builds
+ATX 3.1 compatible with PCIe 5.1 readiness
Cons−Full ATX form factor needs a larger case
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
+1000 watts: only 3 of 36 here have more watts
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.2
1000 Watts, Platinum, ATX, Fully modular
+1000W output for high-wattage builds
+Fully modular cabling
+ATX 3.1 compatible
$249.99
as of 11/04/2026 12:10 PST - DetailsProduct details
ASUS ROG Strix 1000W Platinum White Edition (Fully Modular Power Supply, 80 Plus Platinum Certified, ATX 3.1, GaN
$249.99as of 11/04/2026 12:10 PST - Details
View on AmazonSpec score9.2
Pros
+1000W output for high-wattage builds
+Fully modular cabling
+ATX 3.1 compatible
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
+1000 watts: only 3 of 36 here have more watts
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.2
1000 Watts, Platinum, SFX, Fully modular
+1000W output for high-wattage builds
+Fully modular cable design
+Compact SFX form factor for small cases
$229.90
as of 11/04/2026 13:10 PST - DetailsProduct details
Corsair SF1000 (2024) Fully Modular Low Noise 80 Plus Platinum ATX Power Supply – ATX 3.1 Compliant – PCIe 5.1 Ready –$229.90as of 11/04/2026 13:10 PST - Details
View on AmazonSpec score9.2
Pros
+1000W output for high-wattage builds
+Fully modular cable design
+Compact SFX form factor for small cases
+ATX 3.1 compliant design
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
+1000 watts: only 3 of 36 here have more watts
How pros and cons are picked (About: Disclaimer)Other stores (1)
TargetVisit store
About this product
Spec score 9.2
1000 Watts, Platinum, ATX, Fully modular
+1000W output for demanding systems
+Fully modular cable design
+Includes 16-pin GPU connector
$221.40
as of 11/04/2026 07:08 PST - DetailsProduct details
SilverStone Technology HELA 1000Rz 80 Plus Platinum 1000W ATX 3.1 & PCIe 5 Fully Modular ATX Power Supply,
$221.40as of 11/04/2026 07:08 PST - Details
View on AmazonSpec score9.2
Pros
+1000W output for demanding systems
+Fully modular cable design
+Includes 16-pin GPU connector
+ATX 3.1 compliant
+PCIe 5 support
Compared with the 15 Power Supplies on this page+Platinum: only 1 of 32 here have a higher efficiency
+1000 watts: only 3 of 36 here have more watts
How pros and cons are picked (About: Disclaimer)About this product
Spec score 8.4
1200 Watts, Platinum, ATX
+1200W output for high-load workstation builds
+80 PLUS Platinum efficiency certification
+Standard ATX form factor
$209.99
as of 11/04/2026 14:11 PST - DetailsProduct details
FSP 1200W ATX 80 Plus Platinum Power Supply for Workstations & PCs FSP1200-50AJB (HPT2-1200M)
$209.99as of 11/04/2026 14:11 PST - Details
View on AmazonSpec score8.4
Pros
+1200W output for high-load workstation builds
+80 PLUS Platinum efficiency certification
+Standard ATX form factor
Compared with the 15 Power Supplies on this page+1200 watts: only 1 of 36 here have more watts
+Platinum: only 1 of 32 here have a higher efficiency
−Fully modular not listed: 26 of the 36 here list one
How pros and cons are picked (About: Disclaimer)About this product
Compare specs
| power supply | Watts | Efficiency | Form | Modular | ATX version | Spec score | Price |
|---|---|---|---|---|---|---|---|
| 850 | Platinum | SFX | Fully modular | ATX 3.0 | 9.1 | $173.85 as of 11/04/2026 13:10 PST - Details | |
| 1000 | Platinum | ATX | Fully modular | ATX 3.1 | 9.2 | $231.99 as of 11/04/2026 13:10 PST - Details | |
| 1000 | Platinum | ATX | ATX 3.1 | 8.3 | $169.90 as of 11/04/2026 13:06 PST - Details | ||
| 850 | Platinum | SFX | ATX 3.0 | 8.2 | $217.99 as of 11/04/2026 07:08 PST - Details | ||
| 1000 | Platinum | SFX | Fully modular | ATX 3.1 | 9.2 | $184.99 as of 11/04/2026 17:07 PST - Details | |
| 750 | Platinum | ATX | Fully modular | ATX 3.1 | 9.0 | $199.00 as of 11/04/2026 18:05 PST - Details | |
| 750 | Platinum | SFX | Fully modular | 9.0 | $159.99 as of 11/04/2026 07:08 PST - Details | ||
| 1000 | Platinum | ATX | Fully modular | ATX 3.1 | 9.2 | $159.99 as of 11/04/2026 18:06 PST - Details | |
| 1000 | Platinum | ATX | Fully modular | ATX 3.1 | 9.2 | $239.99 as of 11/04/2026 12:10 PST - Details | |
| 1300 | Platinum | ATX | Fully modular | ATX 3.1 | 9.3 | $249.99 as of 11/04/2026 13:10 PST - Details |












