Kingston Digital 240 GB SSDNow KC300 SATA 3 2.5-Inch Solid State Drive with Adapter SKC300S37A/240G

Name: Kingston Digital 240 GB SSDNow KC300 SATA 3 2.5-Inch Solid State Drive with Adapter SKC300S37A/240G
Brand: Unbranded
SKU: B00CLB4ALG

Status: Kingston Digital 240 GB SSDNow KC300 SATA 3… (240GB SATA): Unavailable on Amazon as of 2026-10-04 22:25 UTC. Closest in-stock match (same 240GB SATA): (OLD MODEL) Crucial M500 240GB SATA 2.5” 7mm, $159.75 on Amazon as of 2026-10-06 22:15 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $159.75 🛒 Search eBay for this model

Bottom line: The Kingston Digital 240 GB SSDNow KC300 SATA 3 2.5-Inch Solid State Drive: 525MB/s sequential read, 500MB/s write on SATA 3.0; main trade-off: 240GB fills fast for a modern game or media library.

Unavailable on Amazon as of 2026-10-04 22:25 UTC

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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives with matching specs:

Same 240GB SATA: (OLD MODEL) Crucial M500 240GB SATA 2.5” 7mm — $159.75 on Amazon as of 2026-10-06 22:15 UTC (price may vary).

View Current Price — $159.75

Same 240GB SATA: INLAND Pro 240GB SSD 3D NAND SATA III 2.5" 7mm… — $52.99 on Amazon as of 2026-10-06 16:15 UTC (price may vary).

View Current Price — $52.99

Same 240GB SATA: Crucial BX500 240GB 3D NAND SATA 2.5-Inch… — $62.98 on Amazon as of 2026-10-06 22:13 UTC (price may vary).

View Current Price — $62.98

Original listing (currently unavailable) → Compare to similar ssds & storage

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-04

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. About the author →

Pros & Cons

Pros

✓ 525MB/s sequential read, 500MB/s write on SATA 3.0
✓ Enterprise-grade SMART attributes track wear and bytes written
✓ Adds up to 40 minutes of notebook battery vs a hard drive
✓ Ships with a 2.5-to-3.5-inch adapter and three-year warranty

Cons

✗ 240GB fills fast for a modern game or media library
✗ SATA 3.0 ceiling well below NVMe drive speeds
✗ Drops to 3Gb/s on older SATA Rev. 2.0 systems
✗ DuraWrite compression gains shrink on already-compressed files

Manufacturer description

Kingston's SSD Now KC300 solid-state drive is one of the most power-efficient SSDs on the market. It provides up to 40 minutes more battery life than a hard drive, to let you do more work from a single charge. KC300 features enterprise-grade SMART attributes that track wear range data, SSD life left, write amplification and total bytes written to analyze your workload and monitor the drive's health. Its Advanced Data Integrity Protection includes Dura Write and RAISE for a longer life for your data and your drive. Backwards compatibility to SATA Rev. 2.0 (3Gb/s)

SpecPicks Verdict

SpecPicks scored Kingston Digital 240 GB SSDNow KC300 SATA 3 2.5-Inch Solid State Drive using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Compare with similarly-priced alternatives in the ssds & storage category before committing. 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.

Key Features

One of the most power-efficient SSDs on the market
Advanced data integrity protection built in
Enterprise-grade SMART attributes allow for easy drive monitoring
Advanced Power Management - extends notebook battery life during typical computing session
Durable - Dura Write intelligent compression engine extends the life of the SSD
SATA Rev. 3.0 (6Gb/s) - with backwards compatibility to SATA Rev. 2.0

Full Specifications

Brand	Kingston
Color	Black
Weight	240g
Model Name	SKC300S37A/240G
Read Speed	550 megabytes_per_second
Form Factor	2.5-inch
Media Speed	500 megabits_per_second
Model Number	SKC300S37A/240G
Built-In Media	Power Adapter
Hard-Drive Size	240 GB
Mfr Part Number	SKC300S37A/240G
Number of Items	1
Special Feature	Durable, Portable
Item Part Number	SKC300S37A/240G, SKC300S37A240G
Hardware Platform	laptop
Installation Type	Dashboard Mount,Plug In
Compatible Devices	Backwards compatibility to SATA Rev. 2.0 (3Gb/s)
Additional Features	Durable, Portable
Hard Disk Interface	Solid State
Hard Disk Description	Solid State Drive

Ready to buy?

Amazon shows no buyable offer for Kingston Digital 240 GB SSDNow KC300 SATA 3… at the last check. The closest in-stock match with the same 240GB SATA is (OLD MODEL) Crucial M500 240GB SATA 2.5” 7mm. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $159.75