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be quiet! Pure Power 12 550W vs MSI MAG A750BN: Comparison
be quiet! Pure Power 12 550W and MSI MAG A750BN separate most on mtbf: be quiet! Pure Power 12 550W at 100000 hours, MSI MAG A750BN at 50000 hours, 50% in favour of be quiet! Pure Power 12 550W. Warranty splits them by another 50%, again favouring be quiet! Pure Power 12 550W. They match on 9 other specifications, including form factor, single +12v rail and 12v-2x6 connectors. On price, MSI MAG A750BN sits at $64.99 against $74.99 for be quiet! Pure Power 12 550W.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | MSI |
| Wattage | 550 W-27% | 750 W |
| 80 PLUS Rating | Gold | Bronze |
| ATX Standard | ATX 3.1 | ATX 3.0 |
| Form Factor | ATX | ATX |
| Single +12V Rail | Yes | Yes |
| PCIe CEM Standard | PCIe 5.1 | PCIe 5.0 |
| 12V-2x6 Connectors | 1 | 1 |
| Zero-RPM Mode | No | No |
| Sleeved Cables | Yes | No |
| PCIe 8-pin Connectors | 2 | 2 |
| Connector Count | 1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6, 2x PCIe 6+2-pin, 5x SATA, 1x Molex (all fixed) | 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6 (PCIe 5.0, 300W), 2x PCIe 6+2-pin, 5x SATA, 2x Molex, 1x FDD (all fixed) |
| Fan Size | 120 mm | 120 mm |
| Fan Model / Bearing | 120mm be quiet! fan, rifle bearing | 120mm sleeve bearing |
| OEM / Platform | HEC | CWT |
| EPS 8-pin Connectors | 1 | 2 |
| SATA Connectors | 5 | 5 |
| Molex Connectors | 1 | 2 |
| Cable Lengths | 24-pin 600mm, max cable length 550mm | 24-pin 500mm, EPS 500mm, PCIe 450mm, SATA 500mm |
| Length | 160 mm | 140 mm |
| Colour | Black | Black |
| Fan Bearing | Rifle | Sleeve |
| MTBF | 100000 hours | 50000 hours-50% |
| Modularity | Non-Modular | Non-Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OCP, OVP, OPP, OTP, SCP |
| Warranty | 10 years | 5 years-50% |
| Model | Pure Power 12 550W | MAG A750BN PCIE5 |
| Typical Price | $74.99 | $64.99 |
| Source URL | https://www.bequiet.com/en/powersupply/5684 | https://www.msi.com/Power-Supply/MAG-A750BN-PCIE5/Specification |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | MSI MAG A750BN |
|---|---|---|
| Amazon | $74.99 View on Amazon | $64.99 View on Amazon |
| Newegg | View on Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.
Verdict
be quiet! Pure Power 12 550W
7.8 / 10 Expert Rating
A quiet, Gold-rated 550W unit that's the right call for mainstream builds that don't need full modularity.
MSI MAG A750BN
6.8 / 10 Expert Rating
A functional but unremarkable budget Bronze unit, fine for cost-capped mid-range builds and not much else.
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