Best 1TB SATA ADATA SSDs
There are 8 1TB SATA ADATA SSDs compared here. The fastest is the ADATA SU800 at 560 MB/s read at 1TB. Sequential reads across the group span 520–560 MB/s at 1TB.
Why this configuration
A 1TB SATA ADATA 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. ADATA specifically tends to be chosen here for its firmware track record and warranty support.
1TB is the capacity most single-drive builds settle on.
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
Speeds on this page are the manufacturer's 1TB ratings where published (7 of 8 drives), not the family headline figure. Rated writes at 1TB run 450–525 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 1TB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  ADATA SU900 128GB, 250GB, 500GB, 1TB, 2TB | High-end | Silicon Motion SM2258H (1-Core, 4- | 560 | 1600 | Find on Amazon |
| 2 |  ADATA SU800 128GB, 250GB, 500GB, 1TB, 2TB | Mid-range | Silicon Motion SM2258G (1-Core, Cl | 560 | 1600 | Check price on Amazon |
| 3 |  ADATA SP920 128GB, 250GB, 500GB, 1TB | Mid-range | Marvell 88SS9189 | 560 | 72 | Find on Amazon |
| 4 |  ADATA ULTIMATE SU800 M.2 128GB, 250GB, 500GB, 1TB | Mid-range | Silicon Motion SM2258 | 560 | 800 | Find on Amazon |
| 5 |  ADATA SP610 128GB, 250GB, 500GB, 1TB | Value | Silicon Motion SM2246EM | 560 | — | Find on Amazon |
| 6 |  ADATA SU750 250GB, 500GB, 1TB | Value | Realtek RTS5733DMQ (2-Canais) | 550 | 800 | Find on Amazon |
| 7 |  ADATA SU720 500GB, 1TB, 2TB | Value | — | 520 | 400 | Find on Amazon |
| 8 |  ADATA SU760 250GB, 500GB, 1TB | Value | (AGUARDANDO REVIEW, PRODUTO RECÉM | — | 800 | Find on Amazon |
The parts, explained
1TB is the mainstream single-drive capacity.
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 ADATA 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.