Best 250GB PCIe 3.0 Kingston DRAM SSDs
There are 5 250GB PCIe 3.0 Kingston DRAM SSDs compared here. The fastest is the Kingston KC2500 at 3500 MB/s read at 250GB, and the highest-rated for endurance is the Kingston KC2000 M.2 (1200 TBW). Sequential reads across the group span 2000–3500 MB/s at 250GB.
Why this configuration
A 250GB PCIe 3.0 Kingston DRAM SSD is an affordable NVMe step up from SATA. Gen3 is roughly six times SATA's throughput yet often costs little more, making it the easy default for a first NVMe drive or a laptop that only supports Gen3. Kingston specifically tends to be chosen here for its firmware track record and warranty support.
250GB covers an OS and core apps with little room for a large game library.
Usually chosen for: budget builders, laptop upgraders and anyone leaving SATA behind.
Good fit: workstation and creative loads that hammer random I/O.
Ranked list
Speeds on this page are the manufacturer's 250GB ratings where published (3 of 5 drives), not the family headline figure. 2 of the 5 are rated slower at 250GB than at their fastest capacity. Rated writes at 250GB run 1100–1200 MB/s.
| # | Model | Tier | Controller | Read MB/s (at 250GB) | TBW | |
|---|---|---|---|---|---|---|
| 1 |  Kingston KC2500 250GB, 500GB, 1TB, 2TB | High-end | Silicon Motion SM2262EN (2-Core 62 | 3500 | 1200 | Find on Amazon |
| 2 |  Kingston DC1000B 250GB, 500GB | High-end | Phison PS5012-E12 | 3200* | 475 | Find on Amazon |
| 3 |  Kingston KC2000 M.2 250GB, 500GB, 1TB, 2TB | High-end | Silicon Motion SM2262EN (2-Core 62 | 3000 | 1200 | Find on Amazon |
| 4 |  Kingston KC1000 250GB, 500GB, 960GB | Mid-range | Phison PS5007-E7 | 2700* | 1000 | Find on Amazon |
| 5 |  Kingston A2000 250GB, 500GB, 1TB | Value | Silicon Motion SM2263EN (2-Core, 4 | 2000 | 600 | Find on Amazon |
* family rating — the manufacturer does not publish a 250GB figure for this drive.
The parts, explained
250GB fits an OS plus core apps.
PCIe 3.0 x4 reaches about 3,500 MB/s — plenty for everyday use and gaming, and cheaper than Gen4.
An onboard DRAM cache keeps the flash mapping table on the drive, holding random performance steady under sustained load.
Staying with Kingston means consistent firmware, tooling and warranty handling across the range.