Best 4TB SATA TLC SSDs
There are 7 4TB SATA TLC SSDs compared here. The fastest is the Samsung EVO 870 at 560 MB/s read at 4TB, and the highest-rated for endurance is the Western Digital RED SA500 (2500 TBW). Sequential reads across the group span 530–560 MB/s at 4TB.
Why this configuration
A 4TB SATA TLC 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.
4TB starts to replace juggling several smaller drives.
Usually chosen for: reviving older machines, cheap capacity upgrades and second drives.
Good fit: everyday all-rounder use, from OS drive to game library; budget upgrades, older PCs and second drives.
Look elsewhere for: large-file creative work where NVMe pulls ahead.
Ranked list
Speeds on this page are the manufacturer's 4TB ratings where published (7 of 7 drives), not the family headline figure. Rated writes at 4TB run 520–560 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 4TB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Samsung EVO 870 250GB, 500GB, 1TB, 2TB, 4TB | High-end | Samsung MKX "Metis" Controller (3- | 560 | 2400 | Check price on Amazon |
| 2 |  Samsung 860 EVO 250GB, 500GB, 1TB, 2TB, 4TB | High-end | SAMSUNG MJX CONTROLLER (3-Core, 8- | 550 | 2400 | Check price on Amazon |
| 3 |  Samsung 850 EVO 128GB, 250GB, 500GB, 1TB, 2TB, 4TB | High-end | Samsung MGX Controller (2-Core, 8- | 540 | 300 | Check price on Amazon |
| 4 |  SanDisk ULTRA 3D 250GB, 500GB, 1TB, 2TB, 4TB | Mid-range | MARVEL 88SS1074 (2-Core, 4-Canais, | 560 | 600 | Check price on Amazon |
| 5 |  Western Digital RED SA500 500GB, 1TB, 2TB, 4TB | Mid-range | MARVEL 88SS1074 (2-Core, 4-Canais, | 560 | 2500 | Find on Amazon |
| 6 |  Western Digital BLUE 250GB, 500GB, 1TB, 2TB, 4TB | Mid-range | MARVEL 88SS1074 (2-Core, 4-Canais, | 530 | 600 | Find on Amazon |
| 7 |  Western Digital Blue™ 250GB, 500GB, 1TB, 2TB, 4TB | Mid-range | MARVEL 88SS1074 (2-Core, 4-Canais, | 530 | 600 | Find on Amazon |
The parts, explained
4TB handles big Steam libraries, video projects and archives.
SATA III tops out around 550 MB/s, but it is the cheapest interface and fits any 2.5-inch bay or older laptop.
TLC NAND is the mainstream choice — a solid balance of endurance, speed and cost.
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.