Best 128GB HP SSDs
There are 4 128GB HP SSDs compared here. The fastest is the HP EX900 at 2100 MB/s read, and the highest-rated for endurance is the HP S700 PRO (650 TBW). Sequential reads across the group span 520–2100 MB/s at 128GB.
Why this configuration
A 128GB HP 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. HP 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 (1 of 4 drives), not the family headline figure. 1 of the 4 are rated slower at 128GB than at their fastest capacity.
| # | Model | Tier | Controller | Read MB/s (at 128GB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  HP S700 PRO 128GB, 250GB, 500GB, 1TB | Mid-range | Silicon Motion SM2258 | 560 | 650 | Find on Amazon |
| 2 |  HP EX900 128GB, 250GB, 500GB | Value | Silicon Motion SM2263XT (Remarcado | 2100* | 200 | Find on Amazon |
| 3 |  HP S700 128GB, 250GB, 500GB | Value | Silicon Motion SM2258XT (1-Core, 4 | 560* | 295 | Find on Amazon |
| 4 |  HP S600 128GB, 250GB | Low-end | Marvell 88NV1120 | 520* | 145 | 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 HP means consistent firmware, tooling and warranty handling across the range.