The Super Flower Leadex VII XG 1000W wins in 6 out of 7 comparable specs. Its biggest advantage is Modular (200% better).
CV550 wins in 1 spec (MSRP: 72% better).
Recommendation
Choose Leadex VII XG 1000W if you want the best overall performance — especially modular.
Choose CV550 if msrp matters more to you.
| Spec | CorsairCV550 | Super FlowerLeadex VII XG 1000W |
|---|---|---|
| Power | ||
| Wattage | 550W | 1000W+82% |
| Efficiency | 80+ Bronze | 80+ Platinum+150% |
| ATX Version | ATX 2.0 | ATX 3.0+50% |
| Design | ||
| Modular | No | Full+200% |
| Fan Size | 120 mm | 130 mm |
| Depth | 125 mm | 150 mm |
| Connectors | ||
| SATA Connectors | N/A | 12 |
| PCIe Connectors | N/A | 5 |
| Features | ||
| 12VHPWR Connector | No | Yes+100% |
| Warranty | 3 | 7+133% |
| Price | ||
| MSRP | $45−72% | $160 |
| Release Date | Mar 2020 | Jan 2023 |
