The Seasonic Prime TX-850 wins in 3 out of 7 comparable specs. Its biggest advantage is Warranty (140% better).
SP750 wins in 1 spec (MSRP: 35% better).
Recommendation
Choose Prime TX-850 if you want the best overall performance — especially warranty.
Choose SP750 if msrp matters more to you.
| Spec | Lian LiSP750 | SeasonicPrime TX-850 |
|---|---|---|
| Power | ||
| Wattage | 750W | 850W+13% |
| Efficiency | 80+ Gold | 80+ Titanium+50% |
| ATX Version | ATX 2.0 | ATX 2.0 |
| Design | ||
| Modular | Full | Full |
| Fan Size | 92 mm | 135 mm |
| Depth | 125 mm | 170 mm |
| Connectors | ||
| SATA Connectors |
| N/A |
| 14 |
| PCIe Connectors | N/A | 6 |
| Features | ||
| 12VHPWR Connector | No | No |
| Warranty | 5 | 12+140% |
| Price | ||
| MSRP | $130−35% | $200 |
| Release Date | Jun 2021 | Oct 2019 |
