850 Watts, Platinum, SFX, Fully modular
Power Supplies under $200
16 power supplies under $200 from MSI, Corsair, be quiet! and more. Most cost $110 to $139, and half cost less than $129.
Spec score 9.4
+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 score9.4
Pros
+850W output for higher-power builds
+Fully modular cable design
+Compact SFX form factor for small cases
Compared with the 16 Power Supplies on this page+Platinum: the highest efficiency of the 62 here
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
$114.93-21%List: $144.99
as of 11/04/2026 13:10 PST - DetailsProduct details
CORSAIR RM850e (2025) ATX 3.1 PCIe 5.1 Ready 850W Power Supply – Black | Native 12V-2x6 Cable Included, Low-Noise,
$114.93as of 11/04/2026 13:10 PST - Details
View on AmazonSpec score9.1
Other stores (1)
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About this product
Spec score 8.3
850 Watts, Gold, ATX, ATX 3.1
+850W output for high-end graphics cards
+ATX 3.1 compatible design
+Native PCIe 5.1 12V-2x6 connector
$104.82-19%List: $129.99
as of 11/04/2026 08:06 PST - DetailsProduct details
Thermaltake Toughpower GF3 850W; ATX 3.1; Native PCIe 5.1 12V-2x6; Flat Cables; Color Matched Connectors; Japanese Main
$104.82as of 11/04/2026 08:06 PST - Details
View on AmazonSpec score8.3
Pros
+850W output for high-end graphics cards
+ATX 3.1 compatible design
+Native PCIe 5.1 12V-2x6 connector
+16-pin GPU connector included
Compared with the 16 Power Supplies on this page−Fully modular not listed: 50 of the 65 here list one
How pros and cons are picked (About: Disclaimer)Other stores (1)
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About this product
Spec score 9.1
850 Watts, Gold, Fully modular
+850W output for high-end systems
+Fully modular cable design
+Compact 140mm design
$114.99
as of 11/04/2026 07:08 PST - DetailsProduct details
Silverstone Technology 850W Computer Power Supply PSU Fully Modular with 80 Plus Gold & 140mm Design Power Supply
$114.99as of 11/04/2026 07:08 PST - Details
View on AmazonSpec score9.1
Pros
+850W output for high-end systems
+Fully modular cable design
+Compact 140mm design
How pros and cons are picked (About: Disclaimer)Other stores (1)
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About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
+850W output suits high-end graphics card builds
+Fully modular cabling reduces loose cables
+16-pin GPU connector included
$109.99-21%List: $139.99
as of 11/04/2026 00:18 PST - DetailsProduct details
MSI MAG A850GLS PCIE5, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native
$109.99as of 11/04/2026 00:18 PST - Details
View on AmazonSpec score9.1
Pros
+850W output suits high-end graphics card builds
+Fully modular cabling reduces loose cables
+16-pin GPU connector included
+ATX 3.1 standard for current PC builds
How pros and cons are picked (About: Disclaimer)Other stores (1)
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About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
+850W output for higher-power builds
+Fully modular cable design
+Supports 16-pin GPU connector
−Large ATX form factor needs full-size case space
$139.99-18%List: $169.99
as of 11/04/2026 13:10 PST - DetailsProduct details
CORSAIR RM850x ATX 3.1 PCIe 5.1 Ready Fully Modular 850W Power Supply – Low-Noise, Cybenetics Gold Efficiency, Native
$139.99as of 11/04/2026 13:10 PST - Details
View on AmazonSpec score9.1
Pros
+850W output for higher-power builds
+Fully modular cable design
+Supports 16-pin GPU connector
+ATX 3.1 compliant design
Cons−Large ATX form factor needs full-size case space
How pros and cons are picked (About: Disclaimer)Other stores (7)
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Micro CenterVisit store
About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
+850W output for high-performance builds
+Fully modular cabling
+Includes a 12V-2x6 GPU cable
$132.99-5%List: $139.99
as of 11/04/2026 12:09 PST - DetailsProduct details
ASUS Prime 850W Gold Power Supply | 80 Plus Gold, Fully Modular, ATX 3.1, PCIe 5.1, 12V-2x6 Cable, Dual-Ball Fan
$132.99as of 11/04/2026 12:09 PST - Details
View on AmazonSpec score9.1
Pros
+850W output for high-performance builds
+Fully modular cabling
+Includes a 12V-2x6 GPU cable
+ATX 3.1 with PCIe 5.1 support
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
+850W output for high-end graphics card builds
+Fully modular cables reduce cable clutter
+Native 12V-2x6 16-pin GPU connector
−Compact form factor is not a standard ATX size
$134.99
as of 11/04/2026 00:18 PST - DetailsProduct details
MSI MPG A850G PCIE5, Fully Modular Compact Gaming 850W Power Supply, 80+ Gold, Native 12V-2x6 Cable, 100% Japanese
$134.99as of 11/04/2026 00:18 PST - Details
View on AmazonSpec score9.1
Pros
+850W output for high-end graphics card builds
+Fully modular cables reduce cable clutter
+Native 12V-2x6 16-pin GPU connector
+ATX 3.1 compliant
Cons−Compact form factor is not a standard ATX size
How pros and cons are picked (About: Disclaimer)About this product
Spec score 8.3
850 Watts, Gold, ATX, ATX 3.1
+850W output for high-end graphics cards
+ATX 3.1 compatible design
+16-pin GPU connector included
−Not fully modular
$129.99
as of 11/04/2026 08:06 PST - DetailsProduct details
Thermaltake Toughpower GF A3 850W, True 450W 12V-2x6 Connectors on PSU & NVIDIA RTX 50 Series, ATX 3.1/PCI-E 5.1, 80+
$129.99as of 11/04/2026 08:06 PST - Details
View on AmazonSpec score8.3
Pros
+850W output for high-end graphics cards
+ATX 3.1 compatible design
+16-pin GPU connector included
Cons−Not fully modular
Compared with the 16 Power Supplies on this page−Fully modular not listed: 50 of the 65 here list one
How pros and cons are picked (About: Disclaimer)Other stores (1)
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About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
+850W output for high-power gaming and workstation builds
+Fully modular cable design
+ATX 3.1 compatible
$129.99
as of 11/04/2026 07:07 PST - DetailsProduct details
Seasonic CORE GX-850 850W Power Supply ATX 3.1 & PCIe 5.1 Ready | 80 Plus Gold & Cybenetics Platinum Fully Modular
$129.99as of 11/04/2026 07:07 PST - Details
View on AmazonSpec score9.1
Pros
+850W output for high-power gaming and workstation builds
+Fully modular cable design
+ATX 3.1 compatible
How pros and cons are picked (About: Disclaimer)Other stores (1)
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About this product
Spec score 8.3
850 Watts, Gold, ATX, ATX 3.1
+850W output for high-end systems
+ATX 3.1 compliant with PCIe 5.1 support
+Native 16-pin GPU connector
$129.99
as of 11/04/2026 08:06 PST - DetailsProduct details
Thermaltake Dockpower FI Snow 850W ATX 3.1 Modular 80+ Gold Power Supply | Native PCIe 5.1 12V-2X6; Dual-Color H++
$129.99as of 11/04/2026 08:06 PST - Details
View on AmazonSpec score8.3
Pros
+850W output for high-end systems
+ATX 3.1 compliant with PCIe 5.1 support
+Native 16-pin GPU connector
+Modular design reduces cable clutter
+Standard ATX form factor
Compared with the 16 Power Supplies on this page−Fully modular not listed: 50 of the 65 here list one
How pros and cons are picked (About: Disclaimer)Other stores (1)
Best BuyVisit store
About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
+850W output for high-power gaming and workstation builds
+Fully modular cables reduce clutter inside the case
+Native 16-pin GPU connector for current graphics cards
$129.99
as of 11/04/2026 14:11 PST - DetailsProduct details
FSP VITA GM 850W Power Supply, 80 Plus Gold, ATX3.1 PCIe 5.1 Ready PSU | Native 12V-2x6 Connector, 105°C-Rated Japanese
$129.99as of 11/04/2026 14:11 PST - Details
View on AmazonSpec score9.1
Pros
+850W output for high-power gaming and workstation builds
+Fully modular cables reduce clutter inside the case
+Native 16-pin GPU connector for current graphics cards
+Supports the ATX 3.1 standard and PCIe 5.1
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
+850W output for mid to high-end systems
+Fully modular cables for a cleaner build
+ATX 3.0 standard
$119.00
as of 11/04/2026 15:08 PST - DetailsProduct details
GIGABYTE GP-UD850GM PG5 Rev2.0 - PCIe5.0 Ready - ATX3.0-850W 80 Plus Gold Certified - Fully Modular Power Supply
$119.00as of 11/04/2026 15:08 PST - Details
View on AmazonSpec score9.1
Pros
+850W output for mid to high-end systems
+Fully modular cables for a cleaner build
+ATX 3.0 standard
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
+850W output for high-end graphics card builds
+Fully modular individual cables
+Fanless design for silent operation
$119.99
as of 11/04/2026 00:38 PST - DetailsProduct details
Phanteks AMP GH 850W Gold Power Supply, ATX 3.1 and PCIe 5.1 Platform, Fully Modular Individual Cables, Silent Fanless
$119.99as of 11/04/2026 00:38 PST - Details
View on AmazonSpec score9.1
Pros
+850W output for high-end graphics card builds
+Fully modular individual cables
+Fanless design for silent operation
+16-pin GPU connector for newer graphics cards
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
+850W output for high-end graphics cards
+Fully modular cable design
+ATX 3.1 compatible design
$127.29
as of 11/04/2026 08:06 PST - DetailsProduct details
Thermaltake Toughpower GF A3 Snow Edition 850W 80+ Gold Full Modular SLI/Crossfire Ready ATX 3.1 Power Supply; PCI-E
$127.29as of 11/04/2026 08:06 PST - Details
View on AmazonSpec score9.1
Pros
+850W output for high-end graphics cards
+Fully modular cable design
+ATX 3.1 compatible design
+16-pin GPU connector included
How pros and cons are picked (About: Disclaimer)About this product
Spec score 9.1
850 Watts, Gold, ATX, Fully modular
$109.99
as of 11/04/2026 12:08 PST - DetailsProduct details
Antec GSK850 V2 ATX 3.1 850W Full Modular Power Supply, Black | ATX 3.1 & PCIe 5.1 Ready, Full Modular Design, 80 Plus
$109.99as of 11/04/2026 12:08 PST - Details
View on AmazonSpec score9.1
About this product
Compare specs
| power supply | Watts | Efficiency | Form | Modular | ATX version | Spec score | Price |
|---|---|---|---|---|---|---|---|
| 850 | Platinum | SFX | Fully modular | ATX 3.0 | 9.4 | $173.85 as of 11/04/2026 13:10 PST - Details | |
| 850 | Gold | ATX | Fully modular | ATX 3.1 | 9.1 | $114.93 as of 11/04/2026 13:10 PST - Details | |
| 850 | Gold | ATX | ATX 3.1 | 8.3 | $104.82 as of 11/04/2026 08:06 PST - Details | ||
| 850 | Gold | Fully modular | 9.1 | $114.99 as of 11/04/2026 07:08 PST - Details | |||
| 850 | Gold | ATX | Fully modular | ATX 3.1 | 9.1 | $109.99 as of 11/04/2026 00:18 PST - Details | |
| 850 | Gold | ATX | Fully modular | ATX 3.1 | 9.1 | $139.99 as of 11/04/2026 13:10 PST - Details | |
| 850 | Gold | ATX | Fully modular | ATX 3.1 | 9.1 | $132.99 as of 11/04/2026 12:09 PST - Details | |
| 850 | Gold | ATX | Fully modular | ATX 3.1 | 9.1 | $134.99 as of 11/04/2026 00:18 PST - Details | |
| 850 | Gold | ATX | ATX 3.1 | 8.3 | $129.99 as of 11/04/2026 08:06 PST - Details | ||
| 850 | Gold | ATX | Fully modular | ATX 3.1 | 9.1 | $129.99 as of 11/04/2026 07:07 PST - Details |















