The Corsair MP700 Pro 1TB wins in 4 out of 7 comparable specs. Its biggest advantage is Sequential Write (79% better).
WD Black SN850X 2TB wins in 2 specs (Capacity: 100% better).
Recommendation
Choose MP700 Pro 1TB if you want the best overall performance — especially sequential write.
Choose WD Black SN850X 2TB if capacity matters more to you.
| Spec | CorsairMP700 Pro 1TB | Western DigitalWD Black SN850X 2TB |
|---|---|---|
| Storage | ||
| Capacity | 1000 GB | 2000 GB+100% |
| Type | NVMe SSD | NVMe SSD |
| Interface | PCIe Gen5 x4 | PCIe Gen4 x4 |
| Form Factor | M.2-2280 | M.2-2280 |
| NAND Type | TLC | TLC |
| Performance | ||
| Sequential Read | 12,400 MB/s+70% | 7,300 MB/s |
| Sequential Write | ||
| 11,800 MB/s+79% |
| 6,600 MB/s |
| Endurance (TBW) | 700 | 1,200+71% |
| Features | ||
| DRAM Cache | Yes | Yes |
| Platform | ||
| Controller | Phison PS5026-E26 | WD in-house |
| PCIe Gen | 5+25% | 4 |
| Price | ||
| MSRP | $130−7% | $140 |
| Release Date | Jun 2024 | Aug 2022 |