be quiet! Pure Power 12 750W (BP003EU) vs Cooler Master MWE Gold 850 V3 ATX 3.1

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 be quiet! Pure Power 12 750W (BP003EU) at 6.6/10.

The be quiet! Pure Power 12 750W (BP003EU) leads on noise.

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

They score the same on efficiency 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 be quiet! Pure Power 12 750W (BP003EU)'s 4/10.

be quiet! Pure Power 12 750W (BP003EU)

6.6/10verdict: good, not the best

This is a 750W ATX 3.1 power supply for a single-GPU desktop where low noise and a long warranty matter more than cable tidiness. It suits builders who want a native 12V-2x6 connector and Gold efficiency and are happy with fixed cabling. It is a poor fit for multi-GPU builds or cases that need a minimal cable count.

Typically about £89.99 in the UK when we researched itSearch Amazon UK

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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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Scores, criterion by criterion

Criterion	Weight	be quiet! Pure Power 12 750W (BP003EU)	Cooler Master MWE Gold 850 V3 ATX 3.1
Quality and protections	30%	6/10	7/10
Efficiency	20%	7/10	7/10
Cabling and connectors	20%	4/10	8/10
Noise	15%	7/10	6/10
Warranty	15%	10/10	10/10
Overall		6.6/10	7.5/10

Specifications

Spec	be quiet! Pure Power 12 750W (BP003EU)	Cooler Master MWE Gold 850 V3 ATX 3.1
Rated output (W)	750W continuous, 820W peak; single 12V rail, 62.5A on +12V1, max combined 12V 750W	850 W
Efficiency rating (80 Plus or Cybenetics)	80 PLUS Gold, up to 92.8%	80 PLUS Gold
Form factor (ATX or SFX) and ATX 3.x / PCIe 5.x support	ATX, ATX 3.1 compliant, PCIe 5.1 compatible	ATX 3.1
Modular cabling (fully, semi or non-modular)	Not modular (fixed cables)	Fully modular
Graphics card connectors (12V-2x6 / 12VHPWR and PCIe 8-pin count)	1 x PCIe 5.1 12V-2x6 (600W), 3 x PCIe 6+2-pin, 1 x 20+4-pin motherboard, 1 x P8 (8-pin CPU), 1 x P4+4 CPU, 6 x SATA, 1 x PATA, 8 cables total	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
Fan size and zero-fan mode	120mm be quiet! rifle bearing fan, 1800 rpm max, 4-pole motor; 8.7 dB(A) at 10% and 20% load, 8.8 dB(A) at 50%, 22.5 dB(A) at 100%	120 mm, HDB bearing, rated 2500 RPM, zero-RPM mode
Warranty (years)	10 years	10 years

Strengths and weaknesses

be quiet! Pure Power 12 750W (BP003EU)

+ 10-year warranty
+ Native 12V-2x6 cable, ATX 3.1
+ Quiet fan: 8.7 dB(A) up to 20% load
− Non-modular, fixed cables
− Only three PCIe 6+2-pin connectors
− 68.4% efficiency at 2% load

Skip it if:

Builders who want fully modular cabling to keep a small case tidy.
Anyone running several graphics cards that need many 8-pin PCIe connectors.

Read the full be quiet! Pure Power 12 750W (BP003EU) review ›

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 ›

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