Skip to main content
Lexar 512GB NS100 Internal SSD 2.5" SATA III, 550MB/s Read, Gray | 512GB SATA III SSD with 550MB/s read speed for boot-ups, data transfers and application loading
Lexar

Lexar 512GB NS100 Internal SSD 2.5" SATA III

Bottom line: The Lexar 512GB NS100 Internal SSD 2.5" SATA III: Up to 550MB/s sequential reads, near the SATA III 6Gb/s ceiling; main trade-off: SATA III caps throughput far below any NVMe M.2 drive.

Check price on Amazon

As an Amazon Associate, SpecPicks earns from qualifying purchases. Full disclosure →

Check price on Amazon → Compare to similar ssds & storage

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.

Pros & Cons

Pros

  • ✓ Up to 550MB/s sequential reads, near the SATA III 6Gb/s ceiling
  • ✓ 240TBW endurance rating on the 512GB model
  • ✓ No moving parts: shock and vibration resistant for laptop use
  • ✓ Backed by three-year limited product support from Lexar

Cons

  • ✗ SATA III caps throughput far below any NVMe M.2 drive
  • ✗ Lexar publishes no sequential write speed for the NS100
  • ✗ Requires a free 2.5-inch bay; no M.2 slot compatibility
  • ✗ No bundled cloning software or 2.5-to-3.5 mounting bracket listed

Manufacturer description

The Lexar NS100 512GB is a straightforward 2.5-inch SATA III drive for anyone still booting Windows off a mechanical hard disk. It slots into the standard 2.5" bay of most laptops and desktops over a 6Gb/s SATA connection, and delivers sequential read speeds of up to 550MB/s -- enough to turn multi-minute boot sequences and sluggish application launches into a few seconds. Because the NS100 has no moving platters or actuator arm, it runs cooler and quieter than the drive it replaces, and it shrugs off the shock and vibration that kill spinning disks in a bag or backpack. Lexar rates this…

Related Products

Other products in this category you may like:

SpecPicks Verdict

SpecPicks scored Lexar 512GB NS100 Internal SSD 2.5" SATA III using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Lexar'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 Lexar NS100 512GB?

Lexar rates the NS100 at sequential read speeds of up to 550MB/s over a SATA III (6Gb/s) connection. Sequential write speed is not published in the product specs.

Will the NS100 fit my laptop?

It uses the standard 2.5-inch SATA III form factor, so it fits any laptop or desktop with a free 2.5-inch drive bay and a 6Gb/s SATA connection. It will not fit an M.2 slot.

How long will this SSD last?

The 512GB NS100 is rated at 240TBW (terabytes written), which covers years of typical boot-drive and application use. It also comes with three-year limited product support.

Is it actually faster than my current hard drive?

Yes. At up to 550MB/s reads with no moving parts, it cuts boot-up, application load, and file-transfer times substantially versus a traditional spinning hard disk.

Do buyers rate the Lexar NS100 well?

It is one of the better-reviewed budget 2.5-inch SATA SSDs in the category.

Key Features

  • Upgrade your laptop or desktop computer for faster startups, data transfers, and application loads
  • Sequential read speeds of up to 550MB/s
  • Faster performance and more reliable than traditional hard drives
  • Shock and vibration resistant with no moving parts
  • [512GB] 240TBW

Full Specifications

BrandLexar
ColorGray
Model NameLexar
Read Speed550
Form Factor2.5-inch
Model NumberLNS100-512AMZN
Built-In MediaSSD drive
Hard-Drive Size512 TB
Mfr Part NumberLNS100-512AMZN
Number of Items1
Special FeatureShock Resistant
Vibration/RumbleYes
Hardware PlatformPC, laptop
Installation TypeInternal Hard Drive
Compatible DevicesDesktop, Laptop
Data Transfer Rate550 megabits_per_second
Enclosure MaterialPlastic
Additional FeaturesShock Resistant
Hard Disk InterfaceSerial ATA-300
Warranty DescriptionThree-year limited warranty
Full listing titleLexar 512GB NS100 Internal SSD 2.5" SATA III, 550MB/s Read, Gray | 512GB SATA III SSD with 550MB/s read speed for boot-ups, data transfers and application loading

Hardware benchmark data

Ready to buy?

Lexar 512GB NS100 Internal SSD 2.5" SATA III, 550MB/s Read, Gray | 512GB SATA III SSD with 550MB/s read speed for boot-ups, data transfers and application loading 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.

Check price on Amazon →

Related SSDs & Storage

Keep exploring SpecPicks

Other buying guides

Browse the catalog

Editorial

More guides & deep dives from the SpecPicks archive

Browse all articles & guides →

More reviews from the SpecPicks archive

Browse all reviews →

Earliest SpecPicks reviews

Browse full archive →
Lexar 512GB NS100 Internal SSD 2.5" SATA III, 550MB/s Read, Gray | 512GB SATA III SSD with 550MB/s read speed for boot-ups, data transfers and application loading
View on Amazon →