Cooler Master MWE Gold 850 V3 ATX 3.1 vs Corsair RMe Series RM850e

Researched, not hands-on tested.How we review ›

all judged against power supplies at a similar price

The Cooler Master MWE Gold 850 V3 ATX 3.1 scores 7.5/10 overall, ahead of the Corsair RMe Series RM850e at 7.0/10.

The Cooler Master MWE Gold 850 V3 ATX 3.1 leads on efficiency, cabling and connectors and warranty.

The Corsair RMe Series RM850e leads on noise.

They score the same on quality and protections.

The biggest difference is warranty, where the Cooler Master MWE Gold 850 V3 ATX 3.1 scores 10/10 to the Corsair RMe Series RM850e's 7/10.

Cooler Master MWE Gold 850 V3 ATX 3.1

7.5/10verdict: buy

The MWE Gold 850 V3 ATX 3.1 suits builders who want a fully modular 850W power supply with a native 12V-2x6 cable for a gaming or workstation PC. It also fits anyone who values a long warranty and a platform maker with independent measurements behind it. It is less suited to buyers who want a silent PSU under heavy load or very flexible cables.

Typically about £69.99 in the UK when we researched itSearch Amazon UK

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Corsair RMe Series RM850e

7.0/10verdict: good, not the best

The Corsair RM850e is an 850W ATX power supply for people building or upgrading a quiet desktop or workstation. It suits buyers who want a fully modular unit with a native 12V-2x6 cable and a seven-year warranty. It is less suited to builds that need many PCIe 8-pin cables or a low-load, always-on setup.

Typically about £94.99 in the UK when we researched itSearch Amazon UK

Affiliate link. As an Amazon Associate I earn from qualifying purchases. Details

Scores, criterion by criterion

Criterion	Weight	Cooler Master MWE Gold 850 V3 ATX 3.1	Corsair RMe Series RM850e
Quality and protections	30%	7/10	7/10
Efficiency	20%	7/10	6/10
Cabling and connectors	20%	8/10	7/10
Noise	15%	6/10	8/10
Warranty	15%	10/10	7/10
Overall		7.5/10	7.0/10

Specifications

Spec	Cooler Master MWE Gold 850 V3 ATX 3.1	Corsair RMe Series RM850e
Rated output (W)	850 W	850W
Efficiency rating (80 Plus or Cybenetics)	80 PLUS Gold	Cybenetics Gold
Form factor (ATX or SFX) and ATX 3.x / PCIe 5.x support	ATX 3.1	ATX
Modular cabling (fully, semi or non-modular)	Fully modular	Fully modular
Graphics card connectors (12V-2x6 / 12VHPWR and PCIe 8-pin count)	1x 12V-2x6, 4x PCIe 8-pin (6+2), 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 6x SATA, 2x peripheral 4-pin	2 x PCIe 8-pin (6+2), 1 x 12V-2x6, 2 x EPS
Fan size and zero-fan mode	120 mm, HDB bearing, rated 2500 RPM, zero-RPM mode	120mm rifle-bearing fan
Warranty (years)	10 years	7 years

Strengths and weaknesses

Cooler Master MWE Gold 850 V3 ATX 3.1

+ 10-year warranty
+ Fully modular with native 12V-2x6 cable
+ Quiet at low load thanks to zero-RPM mode
− Owners report fan noise at high load

Skip it if:

Buyers who need a near-silent PSU under sustained heavy load.
Builders in tight cases who want flexible, easy-to-route cables.

Read the full Cooler Master MWE Gold 850 V3 ATX 3.1 review ›

Corsair RMe Series RM850e

+ Quiet: 22.81 dBA average and consistent owner praise
+ Fully modular with a native 12V-2x6 cable
+ Ripple and regulation measured well by independent reviewers
− Only two PCIe 8-pin connectors
− Efficiency drops below 70% at 2% load, owners report
− Standard cable has no OTP; owners report 3.3V droop

Skip it if:

Builders who need more than two PCIe 8-pin connectors for multiple GPUs.
Buyers running a near-idle, always-on machine where efficiency at 2% load matters.
Anyone who wants over-temperature protection on the standard cable.

Read the full Corsair RMe Series RM850e review ›

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