The Western Digital WD Black SN770 1TB wins in 3 out of 6 comparable specs. Its biggest advantage is Sequential Write (842% better).
Recommendation
Choose WD Black SN770 1TB if you want the best overall performance — especially sequential write.
| Spec | Western DigitalWD Black SN770 1TB | Western DigitalWD Blue SA510 1TB |
|---|---|---|
| Storage | ||
| Capacity | 1000 GB | 1000 GB |
| Type | NVMe SSD | SATA SSD |
| Interface | PCIe Gen4 x4 | SATA 6 Gb/s |
| Form Factor | M.2-2280 | 2.5" |
| NAND Type | TLC | TLC |
| Performance | ||
| Sequential Read | 5,150 MB/s+820% | 560 MB/s |
| Sequential Write | 4,900 MB/s | |
| 520 MB/s |
| Endurance (TBW) | 600+50% | 400 |
| Features | ||
| DRAM Cache | No | No |
| Platform | ||
| Controller | WD in-house | Maxiotek MAP1602 |
| PCIe Gen | 4 | N/A |
| Price | ||
| MSRP | $55 | $55 |
| Release Date | Feb 2022 | May 2022 |
