Best 128GB Samsung TLC SSDs
There are 6 128GB Samsung TLC SSDs compared here. The fastest is the Samsung PM961 at 2800 MB/s read at 128GB, and the highest-rated for endurance is the Samsung 850 PRO (450 TBW). Sequential reads across the group span 540–2800 MB/s at 128GB.
Why this configuration
A 128GB Samsung TLC SSD is a mainstream all-rounder. TLC balances speed, endurance and price for general use. Samsung 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: everyday desktop and laptop storage.
Good fit: everyday all-rounder use, from OS drive to game library.
Ranked list
Speeds on this page are the manufacturer's 128GB ratings where published (2 of 6 drives), not the family headline figure. 1 of the 6 are rated slower at 128GB than at their fastest capacity. Rated writes at 128GB run 470–600 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 |  Samsung PM961 128GB, 250GB, 500GB, 1TB | Mid-range | Samsung Polaris Controller "S4LP07 | 2800 | — | 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.
TLC NAND is the mainstream choice — a solid balance of endurance, speed and cost.
Staying with Samsung means consistent firmware, tooling and warranty handling across the range.