Kingston 480GB A400 SATA 3 2.5" Internal SSD SA400S37/480G - HDD Replacement for Increase Performance
Best for
Best 2.5" SATA
Amazon rating
Amazon aggregate, one input among many in the Verdict Score
Current price
$109.00
Updated May 14, 2026 · 1 min read
The consensus
What reviewers found
Synthesized across the trust-weighted source mix below.
The Kingston A400 480GB arrived with Amazon-only signals, but the volume is unusual: 4.8 stars across more than 204,000 verified-purchase reviews. A sample that large is significantly harder to manipulate than a few-thousand-review drive, and the central tendency carries weight even without supplied expert coverage. The A400 has lived for years as the default budget recommendation for breathing life into older laptops and desktops that lack an M.2 NVMe slot — replacing a spinning hard drive with this SATA SSD is the single biggest perceived-speed upgrade most users will ever experience on aging hardware.
What reviewers liked
- Over 200,000 Amazon reviews averaging 4.8 stars — exceptional sample size
- Ideal for upgrading older systems with no M.2 NVMe slot
- Lowest-priced option among credible drives in this pool
Where it falls short
- SATA interface caps sequential speeds far below any NVMe drive in this pool
- DRAM-less design with QLC/TLC variants over its lifespan has drawn endurance concerns in long-tail discussion
- No expert or community signals were supplied in the candidate data
The Kingston A400 480GB arrived with Amazon-only signals, but the volume is unusual: 4.8 stars across more than 204,000 verified-purchase reviews. A sample that large is significantly harder to manipulate than a few-thousand-review drive, and the central tendency carries weight even without supplied expert coverage.
The A400 has lived for years as the default budget recommendation for breathing life into older laptops and desktops that lack an M.2 NVMe slot — replacing a spinning hard drive with this SATA SSD is the single biggest perceived-speed upgrade most users will ever experience on aging hardware. It's slow by modern NVMe standards (the SATA interface caps it around 500 MB/s sequential), but that comparison misses the point: the alternative for these buyers is a hard drive, not an NVMe.
No expert reviews or community threads were included in the candidate data for this drive, so confidence in the granular performance picture rests on retailer signal plus the SATA interface's well-understood ceiling.
- Highlight 1
- Fast start up, loading and file transfers. A400 has a 7 millimeter form factor to fit in a wider array of systems. It’s ideal for slimmer notebooks and in systems with limited available space
- Highlight 2
- More reliable and durable than a hard drive
- Highlight 3
- Multiple capacities with space for applications or a hard drive replacement; Operating temperature: 0°C-70°C
- Capacity
- 480GB, Interface: SATA Rev. 3.0 (6Gb/s) with backwards compatibility to SATA Rev. 2.0. 480GB to 500MB/s Read and 450MB/s Write
If the consensus convinced you
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