KingSpec

KingSpec 128GB M.2 SATA 2242 SSD NOT for NVMe Slots

Name: KingSpec 128GB M.2 SATA 2242 SSD NOT for NVMe Slots, Upgrade for Laptop/Desktop, SATA III 6Gb/s, B+M Key, Up to 550MB/s
Brand: KingSpec
SKU: B07CJF384F

Status: KingSpec 128GB M.2 SATA 2242 SSD NOT for NVMe… (128GB NVMe SSD M.2 2242): Unavailable on Amazon as of 2026-10-07 04:20 UTC. Closest in-stock match (same 128GB NVMe M.2 2242): M.2 2242 SSD 128GB Ngff Internal Solid State…, $49.80 on Amazon as of 2026-10-07 04:14 UTC (price may vary). eBay sellers may still list this model new or used.

View Current Price — $49.80 🛒 Search eBay for this model

Bottom line: The KingSpec 128GB M.2 SATA 2242 SSD NOT for NVMe Slots: 2242 short form factor fits compact ultrabook and thin-client M.2 slots; main trade-off: will not be recognized on NVMe-only M.2 slots, no workaround.

Unavailable on Amazon as of 2026-10-07 04:20 UTC

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

Same 128GB NVMe M.2 2242: M.2 2242 SSD 128GB Ngff Internal Solid State… — $49.80 on Amazon as of 2026-10-07 04:14 UTC (price may vary).

View Current Price — $49.80

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

By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-07

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

✓ 2242 short form factor fits compact ultrabook and thin-client M.2 slots
✓ Up to 560MB/s read, 540MB/s write saturates the SATA III 6Gb/s bus
✓ TRIM, wear-leveling and S.M.A.R.T. all supported for background upkeep
✓ Same line scales to 512GB, 1TB, 2TB and 4TB if you need more room

Cons

✗ Will not be recognized on NVMe-only M.2 slots, no workaround
✗ No Mac compatibility at all, per KingSpec
✗ 128GB fills fast once Windows and a few games are installed
✗ Requires manual check (CrystalDiskInfo or manual) before you can trust it fits

Manufacturer description

The KingSpec 128GB M.2 SATA SSD is a targeted upgrade for older laptops and desktops whose M.2 slot runs on the SATA III bus rather than NVMe. Read the first line carefully before you order: this B+M key 2242 drive will not be detected on NVMe-only motherboards, and it is not compatible with any Mac. Check your manual for "M.2 SATA support" or run CrystalDiskInfo first; KingSpec will also verify your PC or laptop model for free if you are unsure. Once installed, rated speeds of up to 560MB/s read and 540MB/s write over the SATA III 6Gb/s interface cut boot times and speed up routine work…

SpecPicks Verdict

SpecPicks scored KingSpec 128GB M.2 SATA 2242 SSD NOT for NVMe Slots using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. KingSpec'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 work in my laptop's M.2 slot?

Only if that slot supports M.2 SATA. It is a B+M key SATA III drive and will not be recognized on NVMe-only motherboards. Check your manual for "M.2 SATA support" or run CrystalDiskInfo. KingSpec lists Lenovo, HP, Dell, Asus, Sony and Acer as commonly compatible brands, and offers a free compatibility check if you send them your PC or laptop model.

Does it work with a Mac?

No. KingSpec states this drive is not compatible with any Mac.

How much faster is it than the hard drive I'm replacing?

KingSpec rates it at up to 560MB/s read and 540MB/s write and describes it as roughly 5X faster than an HDD, which mainly shows up in boot time and in launching browsers, Office and games.

Is 128GB enough for Windows?

It is enough for a Windows boot drive plus core applications, but it fills quickly if you add games or large media libraries. KingSpec sells the same drive in 512GB, 1TB, 2TB and 4TB if you need more headroom.

What warranty and reliability features does it include?

It ships with a 3-year manufacturer warranty and supports TRIM, wear-leveling and S.M.A.R.T., which KingSpec rates for long-term daily use in laptops and desktops. Check the product listing for current warranty terms in your region.

Key Features

NOT for NVMe Slots: This is M.2 SATA SSD that works only on M.2 slots supporting SATA III. Will not be recognized on NVMe-only motherboards
Before Buying - Check Compatibility: Look for “M.2 SATA support” in your manual or run CrystalDiskInfo. Common compatible brands: Lenovo, HP, Dell, Asus, Sony, Acer. Not compatible with any Mac. Unsure? Send us your PC/Laptop model for a free check
Breathe New Life into Your Old PC: With up to 560MB/s read and 540MB/s write speeds [5X faster than HDD], this M2 SATA SSD slashes boot time and accelerates everyday tasks like opening browsers, Office and games
Built to Last with 3-year Warranty: Advanced reliability features [TRIM, Wear-Leveling, S.M.A.R.T] protect your data and extend drive life. Rated for long-term daily use in laptops and desktops. Backed by our manufacturer warranty
Various Capacities to Choose From: 512GB, 1TB, 2TB, 4TB available. Upgrade your PC without worrying about running out of space. Save more games, photos, videos and files

Full Specifications

Brand	KingSpec
Color	black
Model Name	NT
Read Speed	500 megabytes_per_second
Form Factor	M2
Media Speed	450 megabytes_per_second
Model Number	NT-128 2242
Compatibility	PC, Mac
Built-In Media	1 x Solid State Drive
Hard-Drive Size	128 GB
Mfr Part Number	NT-128 2242
Number of Items	1
Special Feature	Native Command Queue, Over - Supply, S.m.a.r.t and coils, Waste collection, Wear Balancing
Hardware Platform	PC
Installation Type	Internal Hard Drive
Compatible Devices	Desktop, Laptop
Data Transfer Rate	6 gigabits_per_second
Enclosure Material	Aluminum
NOT for NVMe Slots	This is M.2 SATA SSD that works only on M.2 slots supporting SATA III. Will not be recognized on NVMe-only motherboards
Additional Features	Native Command Queue, Over - Supply, S.m.a.r.t and coils, Waste collection, Wear Balancing
Full listing title	KingSpec 128GB M.2 SATA 2242 SSD NOT for NVMe Slots, Upgrade for Laptop/Desktop, SATA III 6Gb/s, B+M Key, Up to 550MB/s

Ready to buy?

Amazon shows no buyable offer for KingSpec 128GB M.2 SATA 2242 SSD NOT for NVMe… at the last check. The closest in-stock match with the same 128GB NVMe M.2 2242 is M.2 2242 SSD 128GB Ngff Internal Solid State…. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

View Current Price — $49.80