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be quiet! Pure Power 12 550W vs Cooler Master MWE Gold 750 V2: Comparison
be quiet! Pure Power 12 550W and Cooler Master MWE Gold 750 V2 separate most on warranty: be quiet! Pure Power 12 550W at 10 years, Cooler Master MWE Gold 750 V2 at 5 years, 50% in favour of be quiet! Pure Power 12 550W. PCIe 8-pin Connectors splits them by another 33%, this time favouring Cooler Master MWE Gold 750 V2. They match on 8 other specifications, including 80 plus rating, form factor and single +12v rail. On price, be quiet! Pure Power 12 550W sits at $74.99 against $89.99 for Cooler Master MWE Gold 750 V2.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Cooler Master |
| Wattage | 550 W-27% | 750 W |
| 80 PLUS Rating | Gold | Gold |
| 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 | 2-33% | 3 |
| 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, 1x 12VHPWR (600W, 90-degree), 3x PCIe 8-pin |
| Fan Size | 120 mm | 120 mm |
| Fan Model / Bearing | 120mm be quiet! fan, rifle bearing | 120mm rifle bearing |
| OEM / Platform | HEC | CWT |
| Length | 160 mm | 140 mm |
| Colour | Black | Black |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Non-Modular | Fully Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OCP, OVP, OPP, SCP, OTP |
| Warranty | 10 years | 5 years-50% |
| Model | Pure Power 12 550W | MWE Gold 750 V2 ATX 3.0 |
| Typical Price | $74.99 | $89.99 |
| Source URL | https://www.bequiet.com/en/powersupply/5684 | https://legacy.coolermaster.com/en-eu/products/mwe-gold-750-v2-atx3-ready/ |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Cooler Master MWE Gold 750 V2 |
|---|---|---|
| Amazon | $74.99 View on Amazon | |
| Newegg | View on Newegg | |
| Consumercarts listing | $89.99 View on Consumercarts listing |
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.
Cooler Master MWE Gold 750 V2
8.2 / 10 Expert Rating
A solid 750W Gold-rated ATX unit for a popular RTX 4070 Ti / RTX 5070-class gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.
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