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be quiet! Pure Power 12 850W vs Corsair RM650x: Comparison
be quiet! Pure Power 12 850W and Corsair RM650x separate most on pcie 8-pin connectors: be quiet! Pure Power 12 850W at 3, Corsair RM650x at 2, 33% in favour of be quiet! Pure Power 12 850W. Wattage splits them by another 24%, again favouring be quiet! Pure Power 12 850W. They match on 80 plus rating, form factor and colour. On price, be quiet! Pure Power 12 850W sits at $94.99 against $99.99 for Corsair RM650x.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Corsair |
| Wattage | 850 W | 650 W-24% |
| 80 PLUS Rating | Gold | Gold |
| ATX Standard | ATX 3.1 | ATX 2.x |
| Form Factor | ATX | ATX |
| Single +12V Rail | Yes | true |
| 12V-2x6 Connectors | 1 | 0 |
| Hold-Up Time | 17.3 ms | 17-2% |
| Zero-RPM Mode | No | true |
| Sleeved Cables | Yes | No |
| PCIe 8-pin Connectors | 3 | 2-33% |
| Connector Count | 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x 12V-2x6, 3x PCIe 6+2-pin, 6x SATA, 1x Molex | 1x 24-pin ATX, 1x EPS 4+4, 2x PCIe 6+2-pin, 6x SATA, 3x Molex |
| Fan Size | 120 mm | 135 |
| Fan Model / Bearing | 120mm rifle bearing, 4-pole motor | 135mm FDB, Zero RPM below 40% load |
| OEM / Platform | HEC | CWT |
| Japanese Capacitors | No | true |
| Length | 160 mm | 160 |
| Colour | Black | Black |
| MTBF | 100000 hours | 100000 |
| Modularity | Non-Modular | Fully Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OCP, OVP, OPP, SCP, OTP, UVP |
| Warranty | 10 years | 10 |
| Model | Pure Power 12 850W | RM650x (2021) |
| Typical Price | $94.99 | $99.99 |
Price comparison
| Retailer | be quiet! Pure Power 12 850W | Corsair RM650x |
|---|---|---|
| Consumercarts listing | $94.99 View on Consumercarts listing | $99.99 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
Corsair RM650x
8.2 / 10 Expert Rating
The 650x is Corsair's mainstream sweet spot: quiet Zero RPM idling, a 10-year warranty, and enough headroom for a mid-range gaming build without overspending on wattage you won't use.
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