The Western Digital WD Blue SN5000 4TB wins in 4 out of 6 comparable specs. Its biggest advantage is Sequential Read (882% better).
WD Blue SA510 1TB wins in 1 spec (MSRP: 72% better).
Recommendation
Choose WD Blue SN5000 4TB if you want the best overall performance — especially sequential read.
Choose WD Blue SA510 1TB if msrp matters more to you.
| Spec | Western DigitalWD Blue SA510 1TB | Western DigitalWD Blue SN5000 4TB |
|---|---|---|
| Storage | ||
| Capacity | 1000 GB | 4000 GB+300% |
| Type | SATA SSD | NVMe SSD |
| Interface | SATA 6 Gb/s | PCIe Gen4 x4 |
| Form Factor | 2.5" | M.2-2280 |
| NAND Type | TLC | QLC |
| Performance | ||
| Sequential Read | 560 MB/s | 5,500 MB/s+882% |
| Sequential Write | ||
| 520 MB/s |
| 5,000 MB/s+862% |
| Endurance (TBW) | 400 | 1,200+200% |
| Features | ||
| DRAM Cache | No | No |
| Platform | ||
| Controller | Maxiotek MAP1602 | WD in-house |
| PCIe Gen | N/A | 4 |
| Price | ||
| MSRP | $55−72% | $200 |
| Release Date | May 2022 | Jun 2024 |
