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Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance
Kingston

Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance

Bottom line: The Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G ($74.47 on Amazon as of 2026-10-06): Standard 2.5in SATA 3 form factor drops into nearly any laptop or desktop bay; main trade-off: SATA 3 caps throughput well below an NVMe drive in a modern M.2 slot.

$74.47

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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

  • ✓ Standard 2.5in SATA 3 form factor drops into nearly any laptop or desktop bay
  • ✓ No moving parts, so more shock-resistant than the hard drive it replaces
  • ✓ 240GB fits a Windows install plus core applications
  • ✓ Faster boot, app loading, and file transfers versus a mechanical drive

Cons

  • ✗ SATA 3 caps throughput well below an NVMe drive in a modern M.2 slot
  • ✗ 240GB fills quickly if you store games, video, or large photo libraries
  • ✗ 2.5in only, so it will not fit thin laptops with M.2-only storage
  • ✗ No mounting bracket, screws, or cloning software mentioned in the listing

Manufacturer description

Fast start up, loading and file transfers More reliable and durable than a hard drive Multiple capacities with space for applications or a hard drive replacement

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SpecPicks Verdict

SpecPicks scored Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G 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

Will this fit my laptop?

It is a standard 2.5-inch SATA 3 drive, so it fits any laptop or desktop with a 2.5-inch drive bay or an adapter caddy. Thin laptops that only accept M.2 sticks will not take it. Check your machine's drive bay type before ordering.

Is 240GB enough space?

240GB comfortably holds a Windows install plus everyday applications and documents. It is tight for large game libraries or video work. Kingston sells the A400 in multiple capacities if you need more room.

How much faster is this than my hard drive?

Kingston lists faster start up, loading, and file transfers as the core benefit over an HDD. Actual gains depend on your system, but boot and app-launch times are where the difference is most noticeable.

Is it reliable enough to trust with my data?

Kingston states the A400 is more reliable and durable than a hard drive, since there are no moving parts to fail from shock or wear. Its strong track record reflects that reputation. Keep backups regardless.

Does it come with cloning software or mounting hardware?

The listing does not specify included accessories or software. Plan on a free cloning tool or a clean OS install, and check the product listing for what is in the box and for current warranty terms.

Key Features

  • Fast start up, loading and file transfers
  • More reliable and durable than a hard drive
  • Multiple capacities with space for applications or a hard drive replacement

Full Specifications

Size240 GB
BrandKingston
ColorBlack
ModelSA400S37/240G
WarrantyLimited 3 Year
UnitCount1
ReleaseDate2017-01-03T00:00:01Z
ManufacturerKingston Digital, Inc.
IsAdultProductfalse
ItemPartNumberSA400S37/240G

Ready to buy?

Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - 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 — $74.47

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

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Kingston 240GB A400 SATA 3 2.5" Internal SSD SA400S37/240G - HDD Replacement for Increase Performance
$74.47
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