ATX Form Factor — 12 Power Supplies Compared

Decision table

ATX Form Factor: which one for what?

The 12 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 HX1500i83%

Leads for Quiet operation: Corsair RM1000x (2024)72%

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

Leads for Thin & Light: Corsair RM1000e ATX 3.154%

#8#3#9#2
Corsair RM750x (2024)Corsair
750 W · 80 PLUS Gold · Fully Modular
73% 68% 52% 54%
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
Nothing stands out for this use; the score comes from overall balance.
Why it ranks here
- Fully modular cables
#7#8#7#3
Corsair RM850e ATX 3.1Corsair
850 W · Fully Modular · 7 years
74% 59% 56% 54%
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
#4#9#6#1
Corsair RM1000e ATX 3.1Corsair
1000 W · Fully Modular · 7 years
79% 56% 56% 54%
Why it ranks here
- Editorial tag: Gaming
- 1000 W
- 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
#3#4#2#5
Corsair HX1000iCorsair
1000 W · 80 PLUS Platinum · Fully Modular
79% 63% 57% 52%
Why it ranks here
- Editorial tag: Gaming
- 1000 W
- ATX 3.x standard
Why it ranks here
- Zero-rpm fan mode
Why it ranks here
- 80 PLUS Platinum
Why it ranks here
- Fully modular cables
#2#5#3#6
Corsair HX1200iCorsair
1200 W · 80 PLUS Platinum · Fully Modular
82% 63% 57% 52%
Why it ranks here
- Editorial tag: Gaming
- 1200 W
- ATX 3.x standard
Why it ranks here
- Zero-rpm fan mode
Why it ranks here
- 80 PLUS Platinum
Why it ranks here
- Fully modular cables
#1#7#4#7
Corsair HX1500iCorsair
1500 W · 80 PLUS Platinum · Fully Modular
83% 59% 57% 52%
Why it ranks here
- Editorial tag: Gaming
- 1500 W
- ATX 3.x standard
Why it ranks here
- Zero-rpm fan mode
Why it ranks here
- 80 PLUS Platinum
Why it ranks here
- Fully modular cables
#12#10#5#12
Corsair CX750 BronzeCorsair
750 W · 80 PLUS Bronze · Non-modular
62% 50% 56% 50%
Why it ranks here
- Editorial tag: Gaming
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
Why it ranks here
- Value segment
Why it ranks here
Nothing stands out for this use; the score comes from overall balance.
#10#6#1#4
be quiet! Pure Power 12 M 850Wbe quiet!
850 W · 80 PLUS Gold · Fully Modular
63% 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
#9#1#8#8
Corsair RM1000x (2024)Corsair
1000 W · 80 PLUS Gold · Fully Modular
67% 72% 52% 52%
Why it ranks here
- 1000 W
- ATX 3.x standard
Why it ranks here
- Editorial tag: Quiet operation
- 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
#5#2#10#9
Corsair RM850x (2024)Corsair
850 W · 80 PLUS Gold · Fully Modular
75% 72% 52% 52%
Why it ranks here
- Editorial tag: Gaming
- ATX 3.x standard
Why it ranks here
- Editorial tag: Quiet operation
- 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
#11#11#11#10
Seasonic Focus GX-850 ATX 3.1Seasonic
850 W · 80 PLUS Gold · Fully Modular
63% 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
#6#12#12#11
Thermaltake Toughpower GF3 850WThermaltake
850 W · 80 PLUS Gold · Fully Modular
75% 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