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Pure Power 13 M 850W
A solid mid-range power supplie for PC builders, leading with 850 W.
58/100
850 W80 PLUS GoldYesATX 3.1
£84.99best price at Amazon
In stock at 1 retailer
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Why we rate it
- Single +12V rail
- Zero RPM mode
- 12V-2x6 / 12VHPWR
- Above-average pcie 8-pin
- Below-average wattage
Score profile
Scored against the power supplies classWhere the Pure Power 13 M 850W wins and loses
Full specification
Grouped · supported features marked in blueSpecifications
Output
Wattage850 W
Efficiency rating80
ATX standardATX 3.1
Single +12V railYes
Form factor and design
ModularYes
Cooling and noise
Fan size120 mm
Zero RPM modeYes
Connectors
PCIe 8-pin4
12V-2x6 / 12VHPWRYes
Head to head
Highlighted cell = better in that rowPure Power 13 M 850W vs Corsair RM850e 2025
Pure Power 13 M 850WRM850e 2025
| be quiet!Pure Power 13 M 850WThis page | CorsairRM850e 2025 | |
|---|---|---|
| Overall score | 58 /100 | 58 /100 |
| Wattage | 850 W | 850 W |
| Efficiency rating | 80 | Cybenetics Gold |
| Form factor | — | ATX |
| Modular | Yes | Fully modular |
Who it's for
Is the Pure Power 13 M 850W 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 Pure Power 13 M 850W 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 Pure Power 13 M 850W?
Its single +12v rail 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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