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850W Power Supplies

All Power Supplies

47 850W power supplies from Thermaltake, Corsair, MSI and more. Most cost $90 to $144, and half cost less than $119.

Top brands: Corsair (6)MSI (5)

FSPSpec score 9.3

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 - Details
GIGABYTESpec score 9.3

850 Watts, Gold, ATX, Fully modular

+Fully modular design reduces loose cables inside the case
+850W output for mid to high-end builds
+ATX form factor fits standard PC cases
$89.99
as of 11/03/2026 23:11 PST - Details
GIGABYTESpec score 9.3

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 11/03/2026 23:11 PST - Details
PhanteksSpec score 9.3

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 - Details
RosewillSpec score 9.3

850 Watts, Gold, ATX, Fully modular

+850W output for high-power gaming and workstation builds
+Fully modular cable design
+Includes 16-pin PCIe 5.0 12V-2x6 connector
$98.90
as of 11/04/2026 07:06 PST - Details
ThermaltakeSpec score 9.3

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 - Details
CorsairSpec score 9.3

850 Watts, Gold, Fully modular

+Rated at 850 watts for high-performance builds
+80 Plus Gold certified for efficient power delivery
+Fully modular cables reduce clutter inside the case
No price recorded yet.
EVGASpec score 9.3

850 Watts, Gold, Fully modular

+Delivers 850 watts for high-power builds
+Fully modular cables reduce clutter inside the case
+Uses 100% Japanese capacitors for component quality
No price recorded yet.
EVGASpec score 9.3

850 Watts, Gold, Fully modular

+Delivers 850 watts for high-power builds
+Fully modular cables reduce clutter inside the case
+FDB fan for quieter operation
No price recorded yet.
EVGASpec score 9.3

850 Watts, Gold, Fully modular

+Delivers 850 watts for high-power builds
+Fully modular cables reduce clutter inside the case
+Includes EVGA ECO Mode
No price recorded yet.
EVGASpec score 9.3

850 Watts, Gold, Fully modular

+850W output for high-power gaming and workstation builds
+Fully modular cables reduce clutter inside the case
+Compact 150mm body suits smaller cases
No price recorded yet.
ASUSSpec score 9.3

850 Watts, Gold, ATX, Fully modular

+850W output for high-end graphics cards
+Fully modular cable design
+ATX 3.0 compatible design
No price recorded yet.
AntecSpec score 9.3

850 Watts, Gold, ATX, Fully modular

+850 watts: the most watts of the 47 here
+Gold: only 5 of 47 here have a higher efficiency
$109.99
as of 11/04/2026 12:08 PST - Details
be quiet!Spec score 9.3

850 Watts, Gold, ATX, Fully modular

+850 watts: the most watts of the 47 here
+Gold: only 5 of 47 here have a higher efficiency
$109.90
as of 11/04/2026 13:06 PST - Details
SeasonicSpec score 9.3

850 Watts, Gold, ATX, Fully modular

+850 watts: the most watts of the 47 here
+Gold: only 5 of 47 here have a higher efficiency
$169.99
as of 11/04/2026 07:07 PST - Details
be quiet!Spec score 8.5

850 Watts, Gold, ATX, ATX 3.1

+850 watts: the most watts of the 47 here
+Gold: only 5 of 47 here have a higher efficiency
−Fully modular not listed: 37 of the 47 here list one
$89.90
as of 11/04/2026 13:06 PST - Details
ASUSSpec score 9.5

850 Watts, Platinum, SFX, Fully modular

+Platinum: the highest efficiency of the 47 here
+850 watts: the most watts of the 47 here
No price recorded yet.
Lian LiSpec score 9.3

850 Watts, Gold, ATX, Fully modular

+850 watts: the most watts of the 47 here
+Gold: only 5 of 47 here have a higher efficiency
No price recorded yet.
MSISpec score 9.3

850 Watts, Gold, ATX, Fully modular

+850 watts: the most watts of the 47 here
+Gold: only 5 of 47 here have a higher efficiency
No price recorded yet.

Compare specs

power supplyWattsEfficiencyFormModularATX versionSpec scorePrice
850GoldATXFully modularATX 3.19.3$129.99
as of 11/04/2026 14:11 PST - Details
850GoldATXFully modular9.3$89.99
as of 11/03/2026 23:11 PST - Details
850GoldATXFully modularATX 3.09.3$119.00
as of 11/03/2026 23:11 PST - Details
850GoldATXFully modularATX 3.19.3$119.99
as of 11/04/2026 00:38 PST - Details
850GoldATXFully modularATX 3.19.3$98.90
as of 11/04/2026 07:06 PST - Details
850GoldATXFully modularATX 3.19.3$127.29
as of 11/04/2026 08:06 PST - Details
850GoldFully modular9.3No current price
850GoldFully modular9.3No current price
850GoldFully modular9.3No current price
850GoldFully modular9.3No current price

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.