Best 128GB SATA TLC SSDs
There are 72 128GB SATA TLC SSDs compared here. The fastest is the Reletech P400 at 3500 MB/s read. Sequential reads across the group span 350–3500 MB/s at 128GB.
Why this configuration
A 128GB SATA TLC 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.
At 128GB this is really a boot or cache drive rather than a main library.
Usually chosen for: reviving older machines, cheap capacity upgrades and second drives.
Good fit: everyday all-rounder use, from OS drive to game library; budget upgrades, older PCs and second drives.
Look elsewhere for: large-file creative work where NVMe pulls ahead.
Ranked list
The top 20 of 72 are listed. The full SSD catalogue filters on every spec.
Speeds on this page are the manufacturer's 128GB ratings where published (20 of 72 drives), not the family headline figure. 14 of the 72 are rated slower at 128GB than at their fastest capacity. Rated writes at 128GB run 250–520 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 850 EVO 128GB, 250GB, 500GB, 1TB, 2TB, 4TB | High-end | Samsung MGX Controller (2-Core, 8- | 540* | 300 | Check price on Amazon |
| 3 |  Samsung 840 EVO 128GB, 250GB, 500GB, 1TB, 750GB | High-end | Samsung's 3-Core 400MHz MEX Contro | 540* | — | Check price on Amazon |
| 4 |  Samsung 750 EVO 128GB, 250GB, 500GB | High-end | Samsung MGX Controller | 540* | 100 | Check price on Amazon |
| 5 |  Samsung 850 EVO M.2 128GB, 250GB, 500GB, 1TB | High-end | Samsung MGX Controller (2-Core, 8- | 540* | 150 | Check price on Amazon |
| 6 |  OCZ TRION 150 128GB, 250GB, 500GB, 960GB | High-end | Toshiba TC58NC1000 (Phison PS3110- | 550* | 240 | Find on Amazon |
| 7 |  ADATA SU800 128GB, 250GB, 500GB, 1TB, 2TB | Mid-range | Silicon Motion SM2258G (1-Core, Cl | 560 | 1600 | Check price on Amazon |
| 8 |  Mushkin TRIACTOR 3DX 128GB, 250GB, 500GB, 1TB | Mid-range | Silicon Motion SM2258XT (1-Core, 4 | 565* | — | Find on Amazon |
| 9 |  ADATA ULTIMATE SU800 M.2 128GB, 250GB, 500GB, 1TB | Mid-range | Silicon Motion SM2258 | 560 | 800 | Find on Amazon |
| 10 |  HP S700 PRO 128GB, 250GB, 500GB, 1TB | Mid-range | Silicon Motion SM2258 | 560 | 650 | Find on Amazon |
| 11 |  SanDisk X400 128GB, 250GB, 500GB, 1TB | Mid-range | MARVEL 88SS1074 (2-Core, 4-Canais, | 540 | 320 | Find on Amazon |
| 12 |  TeamGroup TEAM GROUP L5 3D 128GB, 250GB, 500GB, 1TB | Mid-range | Silicon Motion SM2258G | 500* | 240 | Find on Amazon |
| 13 |  PNY CS900 128GB, 250GB, 500GB, 960GB | Value | PHISON PS3111-S11-13 (1-Core 40nm, | 550* | — | Check price on Amazon |
| 14 |  Crucial BX500 128GB, 250GB, 500GB, 1TB, 2TB, 960GB | Value | SILICON MOTION SM2258XT (1-Core, 4 | 540* | 720 | Check price on Amazon |
| 15 |  ADATA SU650 128GB, 250GB, 500GB, 60GB, 960GB, 1.92TB | Value | SILICON MOTION SM2258XT ou Maxio M | 520* | 1120 | Check price on Amazon |
| 16 |  Lexar NS100 128GB, 250GB, 500GB, 1TB | Value | Marvell 88NV1120 (Dual Core ARM Co | 520 | 512 | Check price on Amazon |
| 17 |  ADATA SP550 128GB, 250GB, 500GB, 960GB | Value | Silicon Motion SM2256K | 560* | 360 | Find on Amazon |
| 18 |  Biostar G330 128GB, 250GB, 500GB | Value | Silicon Motion SM2258H | 560 | — | Find on Amazon |
| 19 |  Corsair Force LE200 128GB, 250GB, 500GB, 960GB | Value | PHISON PS3111-S11-13 (1-Core 40nm, | 560* | 240 | Find on Amazon |
| 20 |  HP S700 128GB, 250GB, 500GB | Value | Silicon Motion SM2258XT (1-Core, 4 | 560* | 295 | 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.
SATA III tops out around 550 MB/s, but it is the cheapest interface and fits any 2.5-inch bay or older laptop.
TLC NAND is the mainstream choice — a solid balance of endurance, speed and cost.
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.