Best 2TB SATA MLC SSDs
There are 4 2TB SATA MLC SSDs compared here. The fastest is the Samsung 860 PRO at 560 MB/s read at 2TB. Sequential reads across the group span 530–560 MB/s at 2TB.
Why this configuration
A 2TB SATA MLC SSD is a legacy high-endurance choice. These older MLC SATA drives are slow by today's standards but exceptionally durable, which is why they still appear in always-on and write-heavy roles.
2TB is the current default for people who'd rather not think about free space for a while.
Usually chosen for: keeping an older system alive, or a rugged secondary/logging drive.
Good fit: 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 2TB ratings where published (4 of 4 drives), not the family headline figure. Rated writes at 2TB run 425–530 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 2TB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Samsung 860 PRO 250GB, 500GB, 1TB, 2TB, 4TB | Top-tier | SAMSUNG MJX CONTROLLER (3-Core, 8- | 560 | 4800 | Check price on Amazon |
| 2 |  Crucial MX300 1TB, 2TB, 275GB, 525GB, 750GB | High-end | MARVEL 88SS1074 (2-Core, 4-Canais, | 530 | 400 | Check price on Amazon |
| 3 |  ADATA SU900 128GB, 250GB, 500GB, 1TB, 2TB | High-end | Silicon Motion SM2258H (1-Core, 4- | 560 | 1600 | Find on Amazon |
| 4 |  Mushkin REACTOR 250GB, 500GB, 1TB, 2TB | Value | Silicon Motion SM2246EN | 560 | 144 | Find on Amazon |
The parts, explained
2TB is today's sweet spot for large game libraries and creative work.
SATA III tops out around 550 MB/s, but it is the cheapest interface and fits any 2.5-inch bay or older laptop.
MLC NAND is older and costs more per gigabyte, but is very durable.
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.