Researched, not hands-on tested.How we review ›
all judged against power supplies at a similar priceThe be quiet! Pure Power 12 M 850W scores 7.7/10 overall, ahead of the MSI MAG A750GL PCIE5 at 6.4/10.
The be quiet! Pure Power 12 M 850W leads on quality and protections, cabling and connectors, noise and warranty.
They score the same on efficiency.
The biggest difference is warranty, where the be quiet! Pure Power 12 M 850W scores 10/10 to the MSI MAG A750GL PCIE5's 7/10.
This is an 850 W fully modular ATX 3.0 power supply for builders who want a quiet PC with a modern GPU connector. It suits gaming and general-purpose desktops that will rarely sit near full load. It is a weaker fit for anyone who wants a fan that stops entirely at idle.
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The MSI MAG A750GL PCIE5 is for anyone building or upgrading a mid-range gaming or general-purpose PC who wants a fully modular 750W supply with a native 16-pin graphics cable. It suits systems with one mainstream graphics card and a few drives. It is a weaker fit for silent builds or for the most power-hungry graphics cards.
Typically about £79.99 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
| Criterion | Weight | be quiet! Pure Power 12 M 850W | MSI MAG A750GL PCIE5 |
|---|---|---|---|
| Quality and protections | 30% | 7/10 | 6/10 |
| Efficiency | 20% | 7/10 | 7/10 |
| Cabling and connectors | 20% | 8/10 | 7/10 |
| Noise | 15% | 7/10 | 5/10 |
| Warranty | 15% | 10/10 | 7/10 |
| Overall | 7.7/10 | 6.4/10 |
| Spec | be quiet! Pure Power 12 M 850W | MSI MAG A750GL PCIE5 |
|---|---|---|
| Rated output (W) | 850 W continuous, 900 W peak; 850 W combined 12V output, 600 W combined 12VHPWR | 750W rated output |
| Efficiency rating (80 Plus or Cybenetics) | 80 PLUS Gold; up to 93.2% (manufacturer); Cybenetics [115V] Platinum rating, 89–91% | 80 PLUS Gold, up to 90%; Cybenetics Gold icon on MSI product page |
| Form factor (ATX or SFX) and ATX 3.x / PCIe 5.x support | ATX 3.0; PCIe 5.1 compatible | ATX, 140 × 150 × 86 mm |
| Modular cabling (fully, semi or non-modular) | Fully modular | Fully modular |
| Graphics card connectors (12V-2x6 / 12VHPWR and PCIe 8-pin count) | One 12VHPWR (600 W); four PCIe 6+2-pin; one P8 and one P4+4 CPU; six SATA; two PATA | 1x native 16-pin PCIe 5.x (450W, 12V-2x6 style), 3x PCIe 6+2-pin, 8x SATA, 4x Molex, 1x FDD, 2x EPS 4+4 |
| Fan size and zero-fan mode | One 120 mm rifle bearing fan, max 2000 rpm; no zero-fan mode | 120mm fluid dynamic bearing, 500–1800 RPM |
| Warranty (years) | 10 years | 7 years (MSI UK store) |
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