Best 128GB SSDs
There are 161 128GB SSDs compared here. The fastest is the Reletech P400 at 3500 MB/s read. Sequential reads across the group span 285–3500 MB/s at 128GB.
Why this configuration
A 128GB 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.
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
The top 20 of 161 are listed. The full SSD catalogue filters on every spec.
Speeds on this page are the manufacturer's 128GB ratings where published (65 of 161 drives), not the family headline figure. 42 of the 161 are rated slower at 128GB than at their fastest capacity. Rated writes at 128GB run 150–1600 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 128GB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Samsung 850 PRO 128GB, 250GB, 500GB, 1TB, 2TB | Top-tier | Samsung 3-core 400MHz MHX Controll | 550 | 450 | Check price on Amazon |
| 2 |  Samsung 840 PRO 128GB, 250GB, 500GB | Top-tier | Samsung's 3-Core MDX Controller | 540 | 73 | 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 |  Samsung 840 EVO 128GB, 250GB, 500GB, 1TB, 750GB | High-end | Samsung's 3-Core 400MHz MEX Contro | 540* | — | Check price on Amazon |
| 5 |  Samsung 750 EVO 128GB, 250GB, 500GB | High-end | Samsung MGX Controller | 540* | 100 | Check price on Amazon |
| 6 |  Samsung 850 EVO M.2 128GB, 250GB, 500GB, 1TB | High-end | Samsung MGX Controller (2-Core, 8- | 540* | 150 | Check price on Amazon |
| 7 |  Plextor M8PeY 128GB, 250GB, 500GB, 1TB | High-end | Marvell 88SS1093 | 1600 | 768 | Find on Amazon |
| 8 |  Plextor M8PeG 128GB, 250GB, 500GB, 1TB | High-end | Marvell 88SS1093 | 1600 | 768 | Find on Amazon |
| 9 |  ADATA SU900 128GB, 250GB, 500GB, 1TB, 2TB | High-end | Silicon Motion SM2258H (1-Core, 4- | 560 | 1600 | Find on Amazon |
| 10 |  Crucial MX100 128GB, 250GB, 500GB | High-end | Marvell 88SS9189 | 550 | 72 | Find on Amazon |
| 11 |  OCZ TRION 150 128GB, 250GB, 500GB, 960GB | High-end | Toshiba TC58NC1000 (Phison PS3110- | 550* | 240 | Find on Amazon |
| 12 |  Samsung 830 SERIES 128GB, 250GB, 500GB, 64GB | High-end | SAMSUNG S4LJ204X01-Y040 | 520 | — | Find on Amazon |
| 13 |  Crucial M500 128GB, 250GB, 500GB, 960GB | High-end | Marvell 88SS9187 | 500* | 72 | Find on Amazon |
| 14 |  Corsair Performance Series™ Pro 128GB, 250GB | High-end | Marvell 88S-9174 BKK2 | 500 | — | Find on Amazon |
| 15 |  ADATA SU800 128GB, 250GB, 500GB, 1TB, 2TB | Mid-range | Silicon Motion SM2258G (1-Core, Cl | 560 | 1600 | Check price on Amazon |
| 16 |  Samsung PM961 128GB, 250GB, 500GB, 1TB | Mid-range | Samsung Polaris Controller "S4LP07 | 2800 | — | Find on Amazon |
| 17 |  Mushkin PILOT 128GB, 250GB, 500GB, 1TB, 2TB | Mid-range | Silicon Motion SM2262 | 2710* | — | Find on Amazon |
| 18 |  OCZ RD400 128GB, 250GB, 500GB | Mid-range | TOSHIBA TC56NCP070GSB (POSSIVELMEN | 2200 | 296 | Find on Amazon |
| 19 |  OCZ RD400 AIC 128GB, 250GB, 500GB, 1TB | Mid-range | TOSHIBA TC56NCP070GSB (POSSIVELMEN | 2200 | 592 | Find on Amazon |
| 20 |  Integral M Series M.2 2280 128GB, 250GB, 500GB | Mid-range | Silicon Motion SM2263XT (2-Core, 4 | 1800 | 256 | 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.