The Western Digital WD Black SN850X 1TB wins in 4 out of 7 comparable specs. Its biggest advantage is DRAM Cache (100% better).
NV3 2TB wins in 1 spec (Capacity: 100% better).
Recommendation
Choose WD Black SN850X 1TB if you want the best overall performance — especially dram cache.
Choose NV3 2TB if capacity matters more to you.
| Spec | KingstonNV3 2TB | Western DigitalWD Black SN850X 1TB |
|---|---|---|
| Storage | ||
| Capacity | 2000 GB+100% | 1000 GB |
| Type | NVMe SSD | NVMe SSD |
| Interface | PCIe Gen4 x4 | PCIe Gen4 x4 |
| Form Factor | M.2-2280 | M.2-2280 |
| NAND Type | QLC | TLC |
| Performance | ||
| Sequential Read | 6,000 MB/s | 7,300 MB/s+22% |
| Sequential Write | ||
| 5,000 MB/s |
| 6,300 MB/s+26% |
| Endurance (TBW) | 480 | 600+25% |
| Features | ||
| DRAM Cache | No | Yes+100% |
| Platform | ||
| Controller | Phison PS5021-E21T | WD in-house |
| PCIe Gen | 4 | 4 |
| Price | ||
| MSRP | $80 | $80 |
| Release Date | Aug 2024 | Aug 2022 |
