Corsair
RM1000e (2025)
A solid mid-range power supplie for PC builders, leading with 1000 W.
62/100
1000 WCybenetics GoldFully modularATX 3.1WhiteRifle
£120best price at Amazon
In stock at 1 retailer
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Why we rate it
- 12V-2x6 / 12VHPWR
- Above-average wattage
- No zero rpm mode
- Below-average fan size
Score profile
Scored against the power supplies classWhere the RM1000e (2025) wins and loses
Full specification
Grouped · supported features marked in blueSpecifications
Output
Wattage1000 W
Efficiency ratingCybenetics Gold
ATX standardATX 3.1
Cybenetics ratingGold
Form factor and design
Form factorATX
ModularFully modular
Weight1.64 kg
ColourWhite
Cooling and noise
Fan size120 mm
Fan bearingRifle
Connectors
12V-2x6 / 12VHPWRYes
Head to head
Highlighted cell = better in that rowRM1000e (2025) vs MSI MPG A850GS PCIE5
RM1000e (2025)MPG A850GS PCIE5
| CorsairRM1000e (2025)This page | MSIMPG A850GS PCIE5 | |
|---|---|---|
| Overall score | 62 /100 | 62 /100 |
| Wattage | 1000 WBetter | 850 W |
| Efficiency rating | Cybenetics Gold | 80 |
| Form factor | ATX | ATX |
| Modular | Fully modular | Yes |
Who it's for
Is the RM1000e (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 zero rpm mode, 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.
excellent
Common questions
Before you buy
Is the RM1000e (2025) worth it?
It depends on what you need. It scores 62/100 against other power supplies, a solid mid-range result where the class average is around 58.
What stands out on the RM1000e (2025)?
Its 12v-2x6 / 12vhpwr stands out, a genuinely useful feature if your setup calls for it.
How does it compare to the Corsair RM1000x SHIFT?
The Corsair RM1000x SHIFT scores 64/100 versus this one at 62/100, so it is the step up on the spec sheet.
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