The be quiet! Straight Power 12 850W wins in 6 out of 7 comparable specs. Its biggest advantage is Warranty (233% better).
CV550 wins in 1 spec (MSRP: 72% better).
Recommendation
Choose Straight Power 12 850W if you want the best overall performance — especially warranty.
Choose CV550 if msrp matters more to you.
| Spec | be quiet!Straight Power 12 850W | CorsairCV550 |
|---|---|---|
| Power | ||
| Wattage | 850W+55% | 550W |
| Efficiency | 80+ Platinum+150% | 80+ Bronze |
| ATX Version | ATX 3.0+50% | ATX 2.0 |
| Design | ||
| Modular | Full+200% | No |
| Fan Size | 135 mm | 120 mm |
| Depth | 160 mm | 125 mm |
| Connectors | ||
| SATA Connectors | 9 | N/A |
| PCIe Connectors | 5 | N/A |
| Features | ||
| 12VHPWR Connector | Yes+100% | No |
| Warranty | 10+233% | 3 |
| Price | ||
| MSRP | $160 | $45−72% |
| Release Date | Jul 2023 | Mar 2020 |
