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Cooler Master MWE Gold 850 V3 ATX 3.1 vs Corsair CX650 650W 80 PLUS Bronze ATX PSU

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 CX650 650W 80 PLUS Bronze ATX PSU at 5.3/10.

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

The biggest difference is cabling and connectors, where the Cooler Master MWE Gold 850 V3 ATX 3.1 scores 8/10 to the Corsair CX650 650W 80 PLUS Bronze ATX PSU's 4/10.

Cooler Master MWE Gold 850 V3 ATX 3.1

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 (opens in a new tab, affiliate link)

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

Corsair CX650 650W 80 PLUS Bronze ATX PSU

Corsair CX650 650W 80 PLUS Bronze ATX PSU

5.3/10verdict: good, not the best

The Corsair CX650 is a 650W ATX power supply with fixed cabling and 80 PLUS Bronze efficiency. It suits a single-GPU desktop or a small server with a few drives. It is less suited to builds that need modular cabling, a native 12V-2x6 cable or high efficiency.

Typically about £44.99 in the UK when we researched itSearch Amazon UK (opens in a new tab, affiliate link)

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

Scores, criterion by criterion

CriterionWeightCooler Master MWE Gold 850 V3 ATX 3.1Corsair CX650 650W 80 PLUS Bronze ATX PSU
Quality and protections30%7/106/10
Efficiency20%7/105/10
Cabling and connectors20%8/104/10
Noise15%6/105/10
Warranty15%10/106/10
Overall7.5/105.3/10

Specifications

SpecCooler Master MWE Gold 850 V3 ATX 3.1Corsair CX650 650W 80 PLUS Bronze ATX PSU
Rated output (W)850 W650 W continuous
Efficiency rating (80 Plus or Cybenetics)80 PLUS Gold80 PLUS Bronze
Form factor (ATX or SFX) and ATX 3.x / PCIe 5.x supportATX 3.1ATX (ATX12V v2.31; ATX 3.x not stated)
Modular cabling (fully, semi or non-modular)Fully modularNo (non-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-pin2 PCIe 8-pin (6+2) on one cable; 3 SATA on one cable; 2 PATA 4-pin; no 12V-2x6 or 12VHPWR
Fan size and zero-fan mode120 mm, HDB bearing, rated 2500 RPM, zero-RPM mode120mm sleeve bearing, thermally controlled; zero-RPM mode not stated
Warranty (years)10 years5 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 CX650 650W 80 PLUS Bronze ATX PSU

  • + 5-year warranty
  • + 12V ripple of 48.6 mV at full load, within the limit
  • + Compact 125mm body
  • − Non-modular cabling
  • − No 12V-2x6 or 12VHPWR connector
  • − 80 PLUS Bronze efficiency only

Skip it if:

  • Buyers whose graphics card needs a native 12V-2x6 or 12VHPWR cable
  • Anyone wanting modular cabling for a tidy build
  • Builders with many SATA drives or high-efficiency needs for an always-on PC
Read the full Corsair CX650 650W 80 PLUS Bronze ATX PSU review ›

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