Best 128GB ADATA SSDs
There are 14 128GB ADATA SSDs compared here. The fastest is the ADATA XPG SX6000 Lite at 1800 MB/s read at 128GB, and the highest-rated for endurance is the ADATA SU800 (1600 TBW). Sequential reads across the group span 520–1800 MB/s at 128GB.
Why this configuration
A 128GB ADATA SSD is a capacity-first shortlist. Everything here is available at this size, across interfaces and price tiers, so the choice comes down to how fast you need it and how much rewriting it will take. ADATA specifically tends to be chosen here for its firmware track record and warranty support.
At 128GB this is really a boot or cache drive rather than a main library.
Usually chosen for: buyers who have already settled on the size and are picking on specs.
Good fit: mainstream desktop and laptop builds.
Ranked list
Speeds on this page are the manufacturer's 128GB ratings where published (9 of 14 drives), not the family headline figure. 3 of the 14 are rated slower at 128GB than at their fastest capacity. Rated writes at 128GB run 150–600 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 128GB) | 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 SX930 128GB, 250GB, 500GB | Mid-range | JMICRON JMF670H (Comparável à um S | 550* | 280 | Find on Amazon |
| 6 |  ADATA SU650 128GB, 250GB, 500GB, 60GB, 960GB, 1.92TB | Value | SILICON MOTION SM2258XT ou Maxio M | 520* | 1120 | Check price on Amazon |
| 7 |  ADATA XPG SX6000 Lite 128GB, 250GB, 500GB, 1TB | Value | Realtek’s RTS5763DL | 1800 | 480 | Find on Amazon |
| 8 |  ADATA XPG GAMMIX S10 128GB, 250GB, 500GB, 1TB | Value | Silicon Motion SM2260 (Dual ARM Co | 660 | 640 | Find on Amazon |
| 9 |  ADATA XPG GAMMIX SX7000 128GB, 250GB, 500GB, 1TB | Value | Silicon Motion SM2260 (Dual ARM Co | 660 | 640 | Find on Amazon |
| 10 |  ADATA SP550 128GB, 250GB, 500GB, 960GB | Value | Silicon Motion SM2256K | 560* | 360 | Find on Amazon |
| 11 |  ADATA SP610 128GB, 250GB, 500GB, 1TB | Value | Silicon Motion SM2246EM | 560 | — | Find on Amazon |
| 12 |  ADATA ULTIMATE SU650 M.2 128GB, 250GB, 500GB | Value | Maxio MAS0902A controller | 550* | 210 | Find on Amazon |
| 13 |  ADATA SP580 128GB, 250GB, 500GB, 960GB | Value | Marvell 88NV1120 | 520* | 200 | Find on Amazon |
| 14 |  ADATA XPG SX8000 128GB, 250GB, 500GB, 1TB | — | Silicon Motion SM2260 (Dual ARM Co | 1000 | 640 | Find on Amazon |
* family rating — the manufacturer does not publish a 128GB figure for this drive.
The parts, explained
128GB suits a boot drive or a light secondary disk.
Staying with ADATA means consistent firmware, tooling and warranty handling across the range.