1000 W Wattage — 4 Power Supplies Compared

Decision table

1000 W Wattage: which one for what?

The 4 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 HX1000i75%

Leads for Quiet operation: Corsair RM1000x (2024)76%

Leads for Value for Money: Corsair HX1000i57%

Leads for Thin & Light: Corsair SF1000 Platinum76%

#2#3#2#2
Corsair RM1000e ATX 3.1Corsair
1000 W · Fully Modular · 7 years
72% 60% 56% 55%
Why it ranks here
- Editorial tag: Gaming
- ATX 3.x standard
Why it ranks here
- Zero-rpm fan mode
Why it ranks here
- Value segment
Why it ranks here
- Fully modular cables
#1#2#1#3
Corsair HX1000iCorsair
1000 W · 80 PLUS Platinum · Fully Modular
75% 66% 57% 52%
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
- 80 PLUS Platinum
- 10-year warranty
Why it ranks here
- Fully modular cables
#3#4#3#1
Corsair SF1000 PlatinumCorsair
1000 W · 80 PLUS Platinum · Fully Modular
72% 58% 54% 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
#4#1#4#4
Corsair RM1000x (2024)Corsair
1000 W · 80 PLUS Gold · Fully Modular
63% 76% 53% 52%
Why it ranks here
- ATX 3.x standard
Why it ranks here
- Editorial tag: Quiet operation
- Cybenetics A noise rating
- Zero-rpm fan mode
Why it ranks here
- 10-year warranty
Why it ranks here
- Fully modular cables