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be quiet! Pure Power 12 750W (BP003EU) vs Seasonic FOCUS GX-750 ATX 3.1

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

all judged against power supplies at a similar price

The Seasonic FOCUS GX-750 ATX 3.1 scores 7.3/10 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 Seasonic FOCUS GX-750 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 Seasonic FOCUS GX-750 ATX 3.1 scores 7/10 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

Seasonic FOCUS GX-750 ATX 3.1

Seasonic FOCUS GX-750 ATX 3.1

7.3/10verdict: good, not the best

The Seasonic FOCUS GX-750 ATX 3.1 suits builders who want a fully modular 750 W unit with a modern GPU power connector. It fits compact ATX cases thanks to its 140 mm depth and backs that with a 10-year warranty. It is best for a single-graphics-card desktop or an always-on machine where low standby draw matters.

Typically about £119.99 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)Seasonic FOCUS GX-750 ATX 3.1
Quality and protections30%6/107/10
Efficiency20%7/107/10
Cabling and connectors20%4/107/10
Noise15%7/106/10
Warranty15%10/1010/10
Overall6.6/107.3/10

Specifications

Specbe quiet! Pure Power 12 750W (BP003EU)Seasonic FOCUS GX-750 ATX 3.1
Rated output (W)750W continuous, 820W peak; single 12V rail, 62.5A on +12V1, max combined 12V 750W750 W
Efficiency rating (80 Plus or Cybenetics)80 PLUS Gold, up to 92.8%80 PLUS Gold; Cybenetics Platinum listed on v5 page
Form factor (ATX or SFX) and ATX 3.x / PCIe 5.x supportATX, ATX 3.1 compliant, PCIe 5.1 compatibleATX/EPS, 140 mm depth
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 total2× EPS, 2× PCIe 6+2-pin, 1× PCIe 12+4-pin (600 W), 8× SATA on 2 cables, 3× Molex on 1 cable (v4 model); native 12V-2×6 cable (v5)
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%135 mm fluid dynamic bearing, Digital Hybrid Fan Control
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 ›

Seasonic FOCUS GX-750 ATX 3.1

  • + Ten-year warranty
  • + Fully modular with 12+4-pin or 12V-2×6 cable
  • + Standby draw measured under 0.06 W
  • − Only two PCIe 6+2-pin connectors
  • − One owner found it noisy in normal fan mode
  • − Connector details differ between v4 and v5 revisions

Skip it if:

  • Builders planning several graphics cards that each need PCIe 8-pin cables
  • Buyers who want the quietest possible unit in normal fan mode
Read the full Seasonic FOCUS GX-750 ATX 3.1 review ›

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