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Kingston 480GB A400 SATA 3 2.5" Internal SSD SA400S37/480G - HDD Replacement for Increase Performance
Kingston

Kingston 480GB A400 SATA 3 2.5" Internal SSD SA400S37/480G - HDD Replacement for Increase Performance

Bottom line: The Kingston 480GB A400 SATA 3 2.5" Internal SSD SA400S37/480G ($103.50 on Amazon as of 2026-10-06): Up to 500MB/s read, 450MB/s write at 480GB over SATA 6Gb/s; main trade-off: SATA interface caps speed well below NVMe M.2 drives.

$103.50

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014. For SSDs and PC storage upgrades, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Up to 500MB/s read, 450MB/s write at 480GB over SATA 6Gb/s
  • ✓ 7mm 2.5-inch height fits slim notebooks and tight SFF bays
  • ✓ SATA Rev. 3.0 with backwards compatibility to SATA Rev. 2.0 systems
  • ✓ 480GB holds an OS plus applications without an external drive

Cons

  • ✗ SATA interface caps speed well below NVMe M.2 drives
  • ✗ No moving parts, but Kingston does not publish TBW here
  • ✗ 480GB fills fast if you store large game or video libraries
  • ✗ Requires a 2.5-inch bay or bracket, not a bare M.2 slot

Manufacturer description

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 More reliable and durable than a hard drive Multiple capacities with space for applications or a hard drive replacement; Operating temperature: 0°C-70°C

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SpecPicks Verdict

SpecPicks scored Kingston 480GB A400 SATA 3 2.5" Internal SSD SA400S37/480G using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Kingston's ssds & storage lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for ssds & storage of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How fast is the Kingston A400 480GB?

Kingston rates the 480GB model at up to 500MB/s read and 450MB/s write over its SATA Rev. 3.0 (6Gb/s) interface.

Will this SSD fit my laptop?

It uses a 2.5-inch, 7mm form factor, so it fits slim notebooks and systems with limited space. Confirm your machine has a 2.5-inch SATA bay before ordering.

Does it work with older SATA II systems?

Yes. The A400 is SATA Rev. 3.0 with backwards compatibility to SATA Rev. 2.0, though speeds will be limited by the older interface.

Is the A400 more reliable than the hard drive it replaces?

Kingston states the A400 is more reliable and more durable than a hard drive, since it has no moving parts. It operates from 0C to 70C.

Is 480GB enough storage?

480GB has room for an operating system plus applications or a full hard drive replacement for general use. Large game or media libraries will need more capacity or a secondary drive.

Key Features

  • 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
  • More reliable and durable than a hard drive
  • 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

Full Specifications

Size480 GB
BrandKingston
ColorBlack
ModelSA400S37/480G
WarrantyLimited 3 Year
UnitCount1
ReleaseDate2017-01-03T00:00:01Z
ManufacturerKingston Digital, Inc.
IsAdultProductfalse
ItemPartNumberSA400S37/480G

Ready to buy?

Kingston 480GB A400 SATA 3 2.5" Internal SSD SA400S37/480G - HDD Replacement for Increase Performance is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $103.50

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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Kingston 480GB A400 SATA 3 2.5" Internal SSD SA400S37/480G - HDD Replacement for Increase Performance
$103.50
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