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be quiet! Pure Power 12 750W (BP003EU) vs be quiet! Pure Power 12 M 850W

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

all judged against power supplies at a similar price

The be quiet! Pure Power 12 M 850W scores 7.7/10 overall, ahead of the be quiet! Pure Power 12 750W (BP003EU) at 6.6/10.

The be quiet! Pure Power 12 M 850W leads on quality and protections and cabling and connectors.

They score the same on efficiency, noise and warranty.

The biggest difference is cabling and connectors, where the be quiet! Pure Power 12 M 850W 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 (opens in a new tab, affiliate link)

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

Scores, criterion by criterion

CriterionWeightbe quiet! Pure Power 12 750W (BP003EU)be quiet! Pure Power 12 M 850W
Quality and protections30%6/107/10
Efficiency20%7/107/10
Cabling and connectors20%4/108/10
Noise15%7/107/10
Warranty15%10/1010/10
Overall6.6/107.7/10

Specifications

Specbe quiet! Pure Power 12 750W (BP003EU)be quiet! Pure Power 12 M 850W
Rated output (W)750W continuous, 820W peak; single 12V rail, 62.5A on +12V1, max combined 12V 750W850 W continuous, 900 W peak; 850 W combined 12V output, 600 W combined 12VHPWR
Efficiency rating (80 Plus or Cybenetics)80 PLUS Gold, up to 92.8%80 PLUS Gold; up to 93.2% (manufacturer); Cybenetics [115V] Platinum rating, 89–91%
Form factor (ATX or SFX) and ATX 3.x / PCIe 5.x supportATX, ATX 3.1 compliant, PCIe 5.1 compatibleATX 3.0; PCIe 5.1 compatible
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 totalOne 12VHPWR (600 W); four PCIe 6+2-pin; one P8 and one P4+4 CPU; six SATA; two PATA
Fan size and zero-fan mode120mm 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%One 120 mm rifle bearing fan, max 2000 rpm; no zero-fan mode
Warranty (years)10 years10 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 ›

be quiet! Pure Power 12 M 850W

  • + Fully modular with a native 12VHPWR cable
  • + 10-year warranty
  • + Quiet up to mid load, with low ripple
  • − No zero-fan mode; fan spins at low load
  • − Fan noise climbs above 35 dBA past 740 W
  • − 73.8% efficiency at 2% load (230V)

Skip it if:

  • Silent-PC builders who want the fan to stop at idle
  • Buyers planning sustained loads close to 850 W who need low noise
  • Builders needing more than six SATA connectors
Read the full be quiet! Pure Power 12 M 850W review ›

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