Best SATA Western Digital SSDs
There are 5 SATA Western Digital SSDs compared here. The fastest is the Western Digital RED SA500 at 560 MB/s read. Sequential reads across the group span 530–560 MB/s.
Why this configuration
A SATA Western Digital SSD is a budget and compatibility choice. SATA won't win benchmarks, but it's the cheapest way to add solid-state speed and fits essentially any PC or laptop with a 2.5-inch bay. Western Digital specifically tends to be chosen here for its firmware track record and warranty support.
Usually chosen for: reviving older machines, cheap capacity upgrades and second drives.
Good fit: budget upgrades, older PCs and second drives.
Look elsewhere for: large-file creative work where NVMe pulls ahead.
Ranked list
| # | Model | Tier | Controller | Read MB/s | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Western Digital RED SA500 500GB, 1TB, 2TB, 4TB | Mid-range | MARVEL 88SS1074 (2-Core, 4-Canais, | 560 | 2500 | Find on Amazon |
| 2 |  Western Digital BLUE 250GB, 500GB, 1TB, 2TB, 4TB | Mid-range | MARVEL 88SS1074 (2-Core, 4-Canais, | 530 | 600 | Find on Amazon |
| 3 |  Western Digital Blue™ 250GB, 500GB, 1TB, 2TB, 4TB | Mid-range | MARVEL 88SS1074 (2-Core, 4-Canais, | 530 | 600 | Find on Amazon |
| 4 |  Western Digital BLUE M.2 250GB, 500GB, 1TB, 2TB | Mid-range | MARVEL 88SS1074 (2-Core, 4-Canais, | 530 | 500 | Find on Amazon |
| 5 |  Western Digital GREEN 128GB, 250GB, 500GB, 1TB | Low-end | Variante 1: SILICON MOTION SM2258X | 545 | 160 | Find on Amazon |
The parts, explained
SATA III tops out around 550 MB/s, but it is the cheapest interface and fits any 2.5-inch bay or older laptop.
Staying with Western Digital means consistent firmware, tooling and warranty handling across the range.
Common questions
Is SATA fast enough in 2026?
For an OS, apps and most games you won't notice the difference versus NVMe in daily use. NVMe pulls ahead mainly on large file transfers and load-heavy creative work.