The NZXT C850 (2024) wins in 3 out of 7 comparable specs. Its biggest advantage is Warranty (43% better).
Leadex VII XG 1000W wins in 2 specs (Efficiency: 25% better).
Recommendation
Choose C850 (2024) if you want the best overall performance — especially warranty.
Choose Leadex VII XG 1000W if efficiency matters more to you.
| Spec | NZXTC850 (2024) | Super FlowerLeadex VII XG 1000W |
|---|---|---|
| Power | ||
| Wattage | 850W | 1000W+18% |
| Efficiency | 80+ Gold | 80+ Platinum+25% |
| ATX Version | ATX 3.1+3% | ATX 3.0 |
| Design | ||
| Modular | Full | Full |
| Fan Size | 120 mm | 130 mm |
| Depth | 140 mm | 150 mm |
| Connectors | ||
| SATA Connectors | N/A | 12 |
| PCIe Connectors | N/A | 5 |
| Features | ||
| 12VHPWR Connector | Yes | Yes |
| Warranty | 10+43% | 7 |
| Price | ||
| MSRP | $130−19% | $160 |
| Release Date | Jun 2024 | Jan 2023 |