Head-to-head · Best 850w Power Supplies

Cooler Master MWE Gold 850 V2 vs Corsair RM850e

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

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The short answer

Cooler Master MWE Gold 850 V2 comes out ahead by a clear margin (4.3 vs 3.8). The gap is mostly about Professionals needing modular flexibility and extended warranty — read the strengths below before deciding.

Higher ratedRanked #3 in Best 850w Power Supplies

Cooler Master MWE Gold 850 V2

4.3

4 sources2 derived$99.99as of Sep 15

The Cooler Master MWE Gold 850 V2 is a fully modular power supply with 80 Plus Gold certification, designed for high-performance systems. Tom's Hardware reviewed it as a reliable option for demanding builds, noting its fully modular design and two EPS connectors. The unit features an upgraded fan and comes with a five-year warranty. While reviewers praised its efficiency and build quality, specific drawbacks were not detailed in the sources. This PSU is ideal for enthusiasts and professionals seeking a dependable power solution with modular flexibility and extended warranty coverage.

Strengths

— 80 Plus Gold certified efficiency rating
— Fully modular cable management system
— Includes five-year hardware warranty

Watch-outs

$99.99 · Check Price on Amazon Full review →

Ranked #7 in Best 850w Power Supplies

Corsair RM850e

3.8

4 sources2 derived$115.99as of Sep 15

The Corsair RM850e delivers reliable performance as part of Corsair's new RM series, offering fully modular cabling and native 12V-26 connectors for modern GPU support. Reviewers noted its efficient Cybenetics Gold-Certified design and quiet operation with zero RPM fan mode. While it provides solid power delivery and build quality, it trails competitors in warranty length and offers only a modest price increase over the 750W model. This PSU suits enthusiasts seeking a balance of efficiency and reliability without the premium warranty of flagship models.

Strengths

— Fully modular cabling allows for clean and customizable builds
— Native 12V-26 connector supports latest high-end graphics cards without adapters
— Efficient Cybenetics Gold-Certified design delivers up to 90% efficiency

Watch-outs

— 7-year warranty falls short of leading competitors' 12-year warranties
— Moderate price premium over the 750W model with only 100W more power

$115.99 · Check Price on Amazon Full review →

Derived means the reviewer published no score, so one was inferred from their written verdict. Everything else is a number the publisher printed. How we rank.

How they stack up

Cooler Master MWE Gold 850 V2

The Cooler Master MWE Gold 850 V2 provides 80 Plus Gold efficiency and two EPS connectors, but lacks the 10-year warranty of the Corsair RM850x and Seasonic Focus GX-850. It's less efficient than the EVGA SuperNOVA 850 G7 and doesn't match the be quiet! Dark Power Pro 12 850W in noise control or build quality, though it does offer a five-year warranty.

Corsair RM850e

The Corsair RM850e offers a more affordable entry point into the RM series compared to the RM850x, but lacks the 10-year warranty and fluid dynamic bearing fan. It's less efficient than the EVGA SuperNOVA 850 G7 and doesn't match the premium build quality of the be quiet! Dark Power Pro 12 850W, though it does provide native 12V-26 support like the latter.

Specs side-by-side

Spec	Cooler Master MWE Gold 850 V2	Corsair RM850e
Wattage	850 W	850W
Efficiency	80 Plus Gold	80 Plus Gold (up to 90%)
Form Factor	ATX	ATX 3.1
Warranty	5 years	7 years
Dimensions	160 x 150 x 86 mm	140 x 150 x 86 mm
Connectors	Fully modular	Fully modular with 12V-26
Modularity	Full Modular	Full Modular
Fan Type	140mm Silent Fan	120mm rifle bearing with zero RPM mode

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