Best 960GB SATA ADATA SSDs
There are 5 960GB SATA ADATA SSDs compared here. The fastest is the ADATA SX950 at 560 MB/s read at 960GB. Sequential reads across the group span 520–560 MB/s at 960GB.
Why this configuration
A 960GB 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.
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 960GB ratings where published (5 of 5 drives), not the family headline figure. 1 of the 5 are rated slower at 960GB than at their fastest capacity. Rated writes at 960GB run 450–530 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 960GB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  ADATA SX950 250GB, 500GB, 960GB, 1.92TB | High-end | Silicon Motion SM2258G (1-Core, Cl | 560 | 1600 | Find on Amazon |
| 2 |  ADATA SU650 128GB, 250GB, 500GB, 60GB, 960GB, 1.92TB | Value | SILICON MOTION SM2258XT ou Maxio M | 520 | 1120 | Check price on Amazon |
| 3 |  ADATA SP580 128GB, 250GB, 500GB, 960GB | Value | Marvell 88NV1120 | 520 | 200 | Find on Amazon |
| 4 |  ADATA SP550 128GB, 250GB, 500GB, 960GB | Value | Silicon Motion SM2256K | 520 | 360 | Find on Amazon |
| 5 |  ADATA SU630 250GB, 500GB, 960GB, 1.92TB | Low-end | SILICON MOTION SM2259XT (1-Core, 4 | 520 | 400 | Check price 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 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.