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be quiet! Pure Power 12 M 850W vs Corsair RM1000e: Comparison
be quiet! Pure Power 12 M 850W and Corsair RM1000e separate most on warranty: be quiet! Pure Power 12 M 850W at 10 years, Corsair RM1000e at 7 years, 30% in favour of be quiet! Pure Power 12 M 850W. Wattage splits them by another 15%, this time favouring Corsair RM1000e. They match on 15 other specifications, including 80 plus rating, form factor and cybenetics efficiency. On price, be quiet! Pure Power 12 M 850W sits at $129.99 against $179.99 for Corsair RM1000e.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Corsair |
| Wattage | 850 W-15% | 1000 W |
| 80 PLUS Rating | Gold | Gold |
| ATX Standard | ATX 3.0 | ATX 3.1 |
| Form Factor | ATX | ATX |
| Single +12V Rail | No | Yes |
| Cybenetics Efficiency | Platinum | Platinum |
| Cybenetics Noise | A- | A- |
| PCIe CEM Standard | PCIe 5.0 | PCIe 5.1 |
| 12V-2x6 Connectors | 1 | 1 |
| Zero-RPM Mode | No | Yes |
| Sleeved Cables | Yes | No |
| PCIe 8-pin Connectors | 4 | 4 |
| Connector Count | 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x 12VHPWR (600W), 4x PCIe 6+2-pin, 6x SATA, 2x Molex | 1x 24-pin ATX, 2x EPS 4+4, 1x 12V-2x6 (ThermalProtect), 4x PCIe 6+2-pin, 6x SATA, 2x Molex |
| Fan Size | 120 mm | 120 mm |
| Fan Model / Bearing | 120mm rifle bearing (BQ QF2-12025-HS) | 120mm Hong Hua HA1225H12SF-Z, rifle bearing |
| OEM / Platform | HEC | HEC |
| EPS 8-pin Connectors | 2 | 2 |
| SATA Connectors | 6 | 6 |
| Molex Connectors | 2 | 2 |
| Length | 160 mm | 140 mm |
| Colour | Black | Black |
| Fan Bearing | Rifle | Rifle |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Fully Modular | Fully Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OCP, OVP, OPP, SCP, OTP, UVP |
| Warranty | 10 years | 7 years-30% |
| Model | Pure Power 12 M 850W | RM1000e |
| Typical Price | $129.99 | $179.99 |
| Source URL | https://www.bequiet.com/en/powersupply/4072 | https://www.corsair.com/us/en/p/psu/cp-9020337-na/rm1000e-atx-3-1-low-noise-atx-power-supply-with-thermalprotect-12v-2x6-cable-cp-9020337-na |
Price comparison
| Retailer | be quiet! Pure Power 12 M 850W | Corsair RM1000e |
|---|---|---|
| Consumercarts listing | $129.99 View on Consumercarts listing | $179.99 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 M 850W
8.2 / 10 Expert Rating
The 850W Pure Power 12 M tops out the modular M-series, giving budget-focused builders a native 12V-2x6 connector and Gold efficiency without stepping up to the pricier Straight Power line.
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