Corsair
Corsair RM850e (2025)
The Corsair RM850e (2025) lands as a solid mid-range power supplie, built around 850 W.
58/100
850 WCybenetics GoldFully modularATX 3.1BlackRifle bearing
£83.99best price at Amazon
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Why we rate it
- Zero RPM mode
- 12V-2x6 / 12VHPWR
- Below-average wattage
Score profile
Scored against the power supplies classWhere the Corsair RM850e (2025) wins and loses
Full specification
Grouped · supported features marked in blueSpecifications
Output
Wattage850 W
Efficiency ratingCybenetics Gold
ATX standardATX 3.1
Cybenetics ratingGold
Form factor and design
Form factorATX
ModularFully modular
Weight1.53 kg
ColourBlack
Cooling and noise
Fan size120 mm
Fan bearingRifle bearing
Fan count1
Zero RPM modeYes
Connectors
12V-2x6 / 12VHPWRYes
Watch it in action
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Head to head
Highlighted cell = better in that rowCorsair RM850e (2025) vs Lian Li Lian Li EDGE Gold 850W
Corsair RM850e (2025)Lian Li EDGE Gold 850W
| CorsairCorsair RM850e (2025)This page | Lian LiLian Li EDGE Gold 850W | |
|---|---|---|
| Overall score | 58 /100 | 58 /100 |
| Wattage | 850 W | 850 W |
| Efficiency rating | Cybenetics Gold | 80 |
| Form factor | ATX | ATX |
| Modular | Fully modular | Fully modular |
Who it's for
Is the Corsair RM850e (2025) right for you?
Buy it if
Buyers on a budget
Anyone who needs a dependable power supplie for the essentials without overspending.
Skip it if
Skip it if
You need flagship-tier performance, in which case a higher-tier power supplie is the better call.
Performance builder
Chasing frames and headroom in a high-end rig.
good
Mainstream builder
Wants strong value in a balanced build.
good
Budget builder
Stretching every pound in an entry rig.
okay
Common questions
Before you buy
Is the Corsair RM850e (2025) worth it?
It depends on what you need. It scores 58/100 against other power supplies, a solid mid-range result where the class average is around 58.
What stands out on the Corsair RM850e (2025)?
Its zero rpm mode stands out, a genuinely useful feature if your setup calls for it.
How does it compare to the Corsair RMX RM850x 850W?
The Corsair RMX RM850x 850W scores 59/100 versus this one at 58/100, so it is the step up on the spec sheet.
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