850 W Wattage — 6 Power Supplies Compared

Decision table

850 W Wattage: which one for what?

The 6 models on this page are scored only against each other, for the use you pick. Scores come from the spec sheets; no price and no advertising go in.

What will you use it for? Gaming Quiet operation Value for Money Thin & Light

Leads for Gaming: Corsair RM850x (2024)74%

Leads for Quiet operation: Corsair RM850x (2024)74%

Leads for Value for Money: be quiet! Pure Power 12 M 850W70%

Leads for Thin & Light: Corsair SF850 Platinum76%

#3#3#3#2
Corsair RM850e ATX 3.1Corsair
850 W · Fully Modular · 7 years
72% 62% 56% 58%
Why it ranks here
- Editorial tag: Gaming
- ATX 3.x standard
Why it ranks here
- Cybenetics A noise rating
- Zero-rpm fan mode
Why it ranks here
- Value segment
Why it ranks here
- Fully modular cables
#4#4#2#1
Corsair SF850 PlatinumCorsair
850 W · 80 PLUS Platinum · Fully Modular
72% 60% 58% 76%
Why it ranks here
- Editorial tag: Gaming
- ATX 3.x standard
Why it ranks here
- Zero-rpm fan mode
Why it ranks here
- 80 PLUS Platinum
Why it ranks here
- Editorial tag: Thin & Light
- SFX compact form
- Fully modular cables
#5#2#1#3
be quiet! Pure Power 12 M 850Wbe quiet!
850 W · 80 PLUS Gold · Fully Modular
62% 62% 70% 52%
Why it ranks here
- ATX 3.x standard
Why it ranks here
- Editorial tag: Quiet operation
Why it ranks here
- Editorial tag: Value for Money
- Value segment
Why it ranks here
- Fully modular cables
#1#1#4#4
Corsair RM850x (2024)Corsair
850 W · 80 PLUS Gold · Fully Modular
74% 74% 52% 52%
Why it ranks here
- Editorial tag: Gaming
- ATX 3.x standard
Why it ranks here
- Editorial tag: Quiet operation
- Cybenetics A noise rating
- Zero-rpm fan mode
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
Why it ranks here
- Fully modular cables
#6#5#5#5
Seasonic Focus GX-850 ATX 3.1Seasonic
850 W · 80 PLUS Gold · Fully Modular
62% 50% 52% 52%
Why it ranks here
- ATX 3.x standard
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
Why it ranks here
- Fully modular cables
#2#6#6#6
Thermaltake Toughpower GF3 850WThermaltake
850 W · 80 PLUS Gold · Fully Modular
74% 50% 52% 52%
Why it ranks here
- Editorial tag: Gaming
- ATX 3.x standard
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
Why it ranks here
- Fully modular cables