Consumercarts is reader-supported. Learn more
be quiet! Pure Power 12 550W vs Corsair RM850e: Comparison
be quiet! Pure Power 12 550W and Corsair RM850e separate most on wattage: be quiet! Pure Power 12 550W at 550 W, Corsair RM850e at 850 W, 35% in favour of Corsair RM850e. PCIe 8-pin Connectors splits them by another 33%, again favouring Corsair RM850e. They match on 9 other specifications, including 80 plus rating, atx standard and form factor. On price, be quiet! Pure Power 12 550W sits at $74.99 against $129.99 for Corsair RM850e.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | Corsair |
| Wattage | 550 W-35% | 850 W |
| 80 PLUS Rating | Gold | Gold |
| ATX Standard | ATX 3.1 | ATX 3.1 |
| Form Factor | ATX | ATX |
| PCIe CEM Standard | PCIe 5.1 | PCIe 5.1 |
| 12V-2x6 Connectors | 1 | 1 |
| Zero-RPM Mode | No | Yes |
| 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, 2x EPS 8-pin (4+4), 1x 12V-2x6 (12+4), 3x PCIe 6+2-pin (1 single cable + 2 via 12V-2x6-to-dual-8-pin cable), 6x SATA, 2x Molex |
| Fan Size | 120 mm | 120 mm |
| EPS 8-pin Connectors | 1 | 2 |
| SATA Connectors | 5 | 6 |
| Molex Connectors | 1 | 2 |
| Length | 160 mm | 140 mm |
| Colour | Black | Black |
| Fan Bearing | Rifle | Rifle |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Non-Modular | Fully Modular |
| Warranty | 10 years | 7 years-30% |
| Model | Pure Power 12 550W | RM850e |
| Typical Price | $74.99 | $129.99 |
| Source URL | https://www.bequiet.com/en/powersupply/5684 | https://www.corsair.com/us/en/p/psu/cp-9020296-na/rme-series-rm850e-fully-modular-low-noise-atx-power-supply-cp-9020296-na |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Corsair RM850e |
|---|---|---|
| Amazon | $74.99 View on Amazon | $129.99 View on Amazon |
| Newegg | View on Newegg | View on Newegg |
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.
More comparisons in Power Supplies
- be quiet! Pure Power 12 550W vs EVGA SuperNOVA 750 GT
- be quiet! Pure Power 12 550W vs Deepcool PX1000G
- be quiet! Pure Power 12 550W vs Corsair SF1000L
- be quiet! Pure Power 12 550W vs MSI MEG Ai1600T PCIE5
- be quiet! Pure Power 12 550W vs Silverstone ST75F-PT
- be quiet! Pure Power 12 550W vs MSI MPG A850G PCIE5