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be quiet! Pure Power 12 M 850W vs be quiet! Straight Power 12 1000W: Comparison
be quiet! Pure Power 12 M 850W and be quiet! Straight Power 12 1000W separate most on hold-up time: be quiet! Pure Power 12 M 850W at 20.6 ms, be quiet! Straight Power 12 1000W at 25.3 ms, 19% in favour of be quiet! Straight Power 12 1000W. Wattage splits them by another 15%, again favouring be quiet! Straight Power 12 1000W. They match on 13 other specifications, including form factor, 12v-2x6 connectors and zero-rpm mode. On price, be quiet! Pure Power 12 M 850W sits at $129.99 against $219.99 for be quiet! Straight Power 12 1000W.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | be quiet! |
| Wattage | 850 W-15% | 1000 W |
| 80 PLUS Rating | Gold | Platinum |
| ATX Standard | ATX 3.0 | ATX 3.1 |
| Form Factor | ATX | ATX |
| Single +12V Rail | No | Yes |
| PCIe CEM Standard | PCIe 5.0 | PCIe 5.1 |
| 12V-2x6 Connectors | 1 | 1 |
| Hold-Up Time | 20.6 ms-19% | 25.3 ms |
| Zero-RPM Mode | No | No |
| Sleeved Cables | Yes | Yes |
| 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, 1x EPS 4+4, 1x EPS 8-pin, 1x 12V-2x6, 4x PCIe 6+2-pin, 9x SATA, 2x Molex |
| Fan Size | 120 mm | 135 mm |
| Fan Model / Bearing | 120mm rifle bearing (BQ QF2-12025-HS) | 135mm Silent Wings, fluid dynamic bearing, 6-pole motor |
| EPS 8-pin Connectors | 2 | 2 |
| SATA Connectors | 6 | 9 |
| Molex Connectors | 2 | 2 |
| Length | 160 mm | 160 mm |
| Colour | Black | Black |
| Fan Bearing | Rifle | Fluid Dynamic |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Fully Modular | Fully Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OTP, OCP, OPP, SCP, OVP, UVP, SIP |
| Warranty | 10 years | 10 years |
| Model | Pure Power 12 M 850W | Straight Power 12 1000W |
| Typical Price | $129.99 | $219.99 |
| Source URL | https://www.bequiet.com/en/powersupply/4072 | https://www.bequiet.com/en/powersupply/4109 |
Price comparison
| Retailer | be quiet! Pure Power 12 M 850W | be quiet! Straight Power 12 1000W |
|---|---|---|
| Consumercarts listing | $129.99 View on Consumercarts listing | $219.99 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.
be quiet! Straight Power 12 1000W
8.7 / 10 Expert Rating
1000W gives the Straight Power 12 enough headroom for a high-end RTX 40/50-series build while keeping be quiet!'s Silent Wings acoustic tuning, sitting between the 850W and 1200W SKUs.
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