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be quiet! Pure Power 12 M 850W vs Corsair HX1200i: Comparison
be quiet! Pure Power 12 M 850W and Corsair HX1200i separate most on wattage: be quiet! Pure Power 12 M 850W at 850 W, Corsair HX1200i at 1200 W, 29% in favour of Corsair HX1200i. Hold-Up Time splits them by another 6%, again favouring Corsair HX1200i. They match on 9 other specifications, including form factor, cybenetics efficiency and 12v-2x6 connectors. On price, be quiet! Pure Power 12 M 850W sits at $129.99 against $354.99 for Corsair HX1200i.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Corsair |
| Wattage | 850 W-29% | 1200 W |
| 80 PLUS Rating | Gold | Platinum |
| ATX Standard | ATX 3.0 | ATX 3.1 |
| Form Factor | ATX | ATX |
| Cybenetics Efficiency | Platinum | Platinum |
| Cybenetics Noise | A- | A+ |
| PCIe CEM Standard | PCIe 5.0 | PCIe 5.1 |
| 12V-2x6 Connectors | 1 | 1 |
| Hold-Up Time | 20.6 ms-6% | 21.8 ms |
| Zero-RPM Mode | No | Yes |
| Measured Avg Efficiency | 89.81 % | 89.65 % |
| PCIe 8-pin Connectors | 4 | 4 |
| Measured Average Noise | 25.03 dBA | 18.31 dBA |
| 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, 4x PCIe 6+2-pin, 8x SATA, 8x Molex |
| Fan Size | 120 mm | 140 mm |
| Fan Model / Bearing | 120mm rifle bearing (BQ QF2-12025-HS) | 140mm NR140P, fluid dynamic bearing |
| OEM / Platform | HEC | CWT |
| EPS 8-pin Connectors | 2 | 2 |
| SATA Connectors | 6 | 8 |
| Molex Connectors | 2 | 8 |
| Length | 160 mm | 200 mm |
| Colour | Black | Black |
| Fan Bearing | Rifle | Fluid Dynamic |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Fully Modular | Fully Modular |
| Warranty | 10 years | 10 years |
| Model | Pure Power 12 M 850W | HX1200i |
| Typical Price | $129.99 | $354.99 |
| Source URL | https://www.bequiet.com/en/powersupply/4072 | https://www.corsair.com/us/en/p/psu/cp-9020281-na/hx1200i-fully-modular-ultra-low-noise-platinum-atx-1200-watt-pc-power-supply-cp-9020281-na |
Price comparison
| Retailer | be quiet! Pure Power 12 M 850W | Corsair HX1200i |
|---|---|---|
| Consumercarts listing | $129.99 View on Consumercarts listing | |
| Corsair | $354.99 View on Corsair | |
| Amazon | View on Amazon |
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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