The Western Digital WD Black SN770 2TB wins in 4 out of 6 comparable specs. Its biggest advantage is Sequential Write (851% better).
MX500 1TB wins in 2 specs (DRAM Cache: 100% better).
Recommendation
Choose WD Black SN770 2TB if you want the best overall performance — especially sequential write.
Choose MX500 1TB if dram cache matters more to you.
| Spec | CrucialMX500 1TB | Western DigitalWD Black SN770 2TB |
|---|---|---|
| Storage | ||
| Capacity | 1000 GB | 2000 GB+100% |
| Type | SATA SSD | NVMe SSD |
| Interface | SATA 6 Gb/s | PCIe Gen4 x4 |
| Form Factor | 2.5" | M.2-2280 |
| NAND Type | TLC | TLC |
| Performance | ||
| Sequential Read | 560 MB/s | 5,150 MB/s+820% |
| Sequential Write | ||
| 510 MB/s |
| 4,850 MB/s+851% |
| Endurance (TBW) | 360 | 1,200+233% |
| Features | ||
| DRAM Cache | Yes+100% | No |
| Platform | ||
| Controller | Silicon Motion SM2259 | WD in-house |
| PCIe Gen | N/A | 4 |
| Price | ||
| MSRP | $55−45% | $100 |
| Release Date | Dec 2017 | Feb 2022 |
