The Super Flower Leadex VII XG 1000W wins in 4 out of 7 comparable specs. Its biggest advantage is 12VHPWR Connector (100% better).
RM850x wins in 2 specs (Warranty: 43% better).
Recommendation
Choose Leadex VII XG 1000W if you want the best overall performance — especially 12vhpwr connector.
Choose RM850x if warranty matters more to you.
| Spec | CorsairRM850x | Super FlowerLeadex VII XG 1000W |
|---|---|---|
| Power | ||
| Wattage | 850W | 1000W+18% |
| Efficiency | 80+ Gold | 80+ Platinum+25% |
| ATX Version | ATX 2.0 | ATX 3.0+50% |
| Design | ||
| Modular | Full | Full |
| Fan Size | 140 mm | 130 mm |
| Depth | 160 mm | 150 mm |
| Connectors | ||
| SATA Connectors | N/A | 12 |
| PCIe Connectors | N/A | 5 |
| Features | ||
| 12VHPWR Connector | No | Yes+100% |
| Warranty | 10+43% | 7 |
| Price | ||
| MSRP | $140−12% | $160 |
| Release Date | Sep 2021 | Jan 2023 |
