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Crucial MX300 525GB SATA 2.5 Inch Internal Solid State Drive - CT525MX300SSD1
Crucial

Crucial MX300 525GB SATA 2.5 Inch Internal Solid State Drive - CT525MX300SSD1

Bottom line: The Crucial MX300 525GB SATA 2.5 Inch Internal Solid State Drive ($399.99 on Amazon as of 2026-10-06): 525GB capacity leaves headroom over common 480/500GB drives; main trade-off: SATA interface caps speed well below NVMe drives.

$399.99

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Buy on Amazon — $399.99 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.

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

Pros & Cons

Pros

  • ✓ 525GB capacity leaves headroom over common 480/500GB drives
  • ✓ Standard 2.5-inch SATA fits older desktops and laptops
  • ✓ No M.2 slot or modern chipset required
  • ✓ Ships brand new in box with accessories included

Cons

  • ✗ SATA interface caps speed well below NVMe drives
  • ✗ 525GB is tight for large modern game libraries
  • ✗ MX300 is an older generation, not a current model
  • ✗ No mounting bracket details listed for 3.5-inch bays

Manufacturer description

The 525GB capacity sits in a useful middle ground: enough room for Windows, a productivity suite, and a working library of games or project files without forcing you into constant cleanup. Because it uses the standard 2.5-inch SATA form factor, this Crucial SSD drops into virtually any desktop drive bay or laptop slot that currently holds a mechanical hard drive, with no need for an M.2 socket or newer motherboard chipset. That makes it a practical option for older systems and retro PC builds where NVMe simply is not supported. Model CT525MX300SSD1 ships brand new in box with the relevant…

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SpecPicks Verdict

SpecPicks scored Crucial MX300 525GB SATA 2.5 Inch Internal Solid State Drive using a rating × review-volume × price-fit model applied to published specs and reviews across the ssds & storage category. Crucial'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 the Crucial MX300 fit in my laptop?

It uses the standard 2.5-inch SATA form factor, so it fits laptops with a 2.5-inch drive bay. Check your laptop's bay height clearance and confirm it uses SATA rather than M.2 only.

How much usable space does the 525GB model actually give me?

Formatted capacity is always somewhat below the labeled 525GB after filesystem overhead. Plan on it comfortably holding Windows plus a working set of applications and a moderate game or media library.

Is this faster than my current hard drive?

Yes. Any SATA SSD, including this MX300, delivers far faster boot and load times than a mechanical hard drive since there are no moving parts or seek delays.

Do I need an M.2 slot or a newer motherboard?

No. This is a 2.5-inch SATA drive, so it works with any SATA port, including older desktops and retro builds that predate M.2 and NVMe support entirely.

What warranty does Crucial provide on the MX300?

Warranty terms vary by region and purchase date. Check the current product listing and Crucial's support site for the warranty period that applies to model CT525MX300SSD1.

Key Features

  • Brand New in box. The product ships with all relevant accessories

Full Specifications

BrandCrucial
Model NameMICRON CONSUMER PRODUCTS GROUP, INC
Read Speed530 megabytes_per_second
Form Factor2.5-inch
Media Speed510 megabits_per_second
Model NumberCT525MX300SSD1
Hard Disk Size525 GB
Hard-Drive Size525 GB
Mfr Part Number150084
Number of Items1
Special FeaturePortable
Item Part NumberCT525MX300SSD1
Hardware PlatformPC & Mac
Installation TypeInternal Hard Drive
Compatible DevicesDesktop
Data Transfer Rate6 gigabits_per_second
Enclosure MaterialNand Flash
Additional FeaturesPortable
Hard Disk InterfaceSerial ATA
Customer Package TypeStandard Packaging

Ready to buy?

Crucial MX300 525GB SATA 2.5 Inch Internal Solid State Drive - CT525MX300SSD1 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 — $399.99

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

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Crucial MX300 525GB SATA 2.5 Inch Internal Solid State Drive - CT525MX300SSD1
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