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Crucial MX300 1TB SATA 2.5" 7mm (with 9.5mm adapter) Internal SSD


  • Brand: Crucial
  • Form Factor: 2.5-inch internal SSD
  • Total Capacity: 1TB
  • Warranty: Limited 3-year
  • Specs: 1TB 2.5-inch internal SSD • SATA 6.0Gb/s • 530 MB/s Read, 510 MB/s Write
  • Series: MX300
  • Product Line: Client SSD
  • Interface: SATA 6.0Gb/s
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    5 stars 38 reviews
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    • $289.99
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    Crucial MX300 1TB SATA 2.5" 7mm (with 9.5mm adapter) Internal SSD

    product information

    Amount of available storage on the module. If there are parenthesis shown – for example (2 x 4GB) – it indicates a kit of 2 or more identical modules is used to reach the Total Capacity.
    Product Specifications
    Brand Crucial
    Form Factor 2.5-inch internal SSD
    Total Capacity 1TB
    Warranty Limited 3-year
    Specs 1TB 2.5-inch internal SSD • SATA 6.0Gb/s • 530 MB/s Read, 510 MB/s Write
    Series MX300
    Product Line Client SSD
    Interface SATA 6.0Gb/s
    Device Type Internal Solid State Drive
    Unit Height 7.0mm
    Form Factor 2.5-inch (7mm)
    Package Content Crucial MX300 2.5-inch 7mm SSD, 7mm to 9.5mm spacer, Data migration software key
    More information

    Crucial MX300 Solid State Drive

    Product highlights
    • Sequential reads/writes up to 530 / 510 MB/s on all file types1
    • Random reads/writes up to 92k / 83k on all file types1
    • Over 90x more energy efficient than a typical hard drive2
    • Accelerated by Micron® 3D NAND technology
    • Dynamic Write Acceleration delivers faster saves and file transfers
    • More durable than a hard drive – no small moving parts that are prone to failure
    • Best-in-class hardware encryption keeps data safe and secure
    • Exclusive Data Defense guards against data corruption
    • Adaptive Thermal Protection allows for adaptive cooling
    • Power Loss Protection completes write commands even if power is lost4
    • Includes free Acronis® True Image™ HD software for easy data migration
    • Compatible with the Crucial Storage Executive tool for easy drive maintenance
    • 3 year limited warranty

    Instant performance that lasts.

    Increase the speed, durability, and efficiency of your system for years to come with the Crucial MX300 SSD. Boot up in seconds and fly through the most demanding applications with an SSD that fuses the latest 3D NAND flash technology with the proven success of previous MX-series SSDs. Your storage drive isn't just a container, it's the engine that loads and saves everything you do and use. Get more out of your computer by boosting nearly every aspect of performance.

    Instantly improve system performance
    The Crucial MX300 reaches read speeds up to 530 MB/s and write speeds up to 510 MB/s1 on all file types so you can boot up almost instantly, reduce load times, and accelerate demanding applications with ease. Plus, our Dynamic Write Acceleration technology uses an adaptable pool of high-speed, single-level cell flash memory to generate blistering speeds throughout the drive's long life.

    Over 90x more energy efficient than a typical hard drive2
    Extreme Energy Efficiency technology within the Crucial MX300 reduces the amount of active power usage that's consumed by the drive. The Crucial MX300 extends your laptop's battery life by using only 0.075W of power, compared to a typical hard drive which uses 6.8W.

    Entrust your files to a drive that lasts
    With an endurance rating of up to 400TB total bytes written, the Crucial MX300 is engineered with Micron 3D NAND to deliver years of fast performance. The 3D NAND leverages larger NAND cells to improve performance and prolong endurance.

    Keep your system cool
    In addition to lower active power usage, Adaptive Thermal Protection technology dynamically adjusts storage component activity. This helps keep your system cool and minimizes the risk of damage caused by overheating.

    Boost drive performance by up to 10x with Crucial Storage Executive3
    This downloadable tool is easy to use and helps monitor and enhance the performance of your Crucial MX300 – update to the latest firmware and enable the Momentum Cache feature in Storage Executive to instantly improve burst performance. Download the latest version at

    Micron quality — a higher level of reliability.
    As a brand of Micron, one of the largest flash storage manufacturers in the world, the Crucial MX300 is backed by the same quality and innovation that has produced some of the world's most advanced memory and storage technologies. With over a thousand hours of prerelease validation testing and hundreds of SSD qualification tests, the Crucial MX300 has been thoroughly tried, tested, and proven. You'll notice the difference.

    1Based on the published specs of the 525GB model. Speeds based on internal testing. Actual performance may vary.
    2Active average power use comparison based on published specs of the 750GB Crucial MX300 SSD and the 1TB Western Digital® Caviar Blue™ WD10EZEX internal hard drive, which, as of January 2016, is one of the industry’s top-selling internal hard drives. All other capacities of the Crucial MX300 SSD have comparable active average power consumption specs, with the exception of the 2050GB version of the drive, which consumes 0.15W.
    3Validated by testing included in the “Enhance Burst Performance on Micron and Crucial SSDs Using Momentum Cache” whitepaper, available at
    4Refers to data at rest only.

    product reviews

    OID: A967C673A5CA7304
    PR file path: /pwr/96v439cu/inline/01/94/A967C673A5CA7304-en_US-1-reviews.html


    by PowerReviews

    (based on 38 reviews)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars




    of respondents would recommend this to a friend.


    • Fast (3)


    No Cons

    Best Uses

    No Best Uses
      • Was this a gift?:
      • No (36)

    Most Liked Positive Review


    Fast an easy install

    Purchased this to replace the 480GB SSD that was running low on space. Even with having the 480GB SSD installed for only 2 years the speed difference between the 480GB and 1TB SSD is...Read complete review

    Purchased this to replace the 480GB SSD that was running low on space. Even with having the 480GB SSD installed for only 2 years the speed difference between the 480GB and 1TB SSD is noticeable. The new 1TB SSD knocked 1 second off the W10 boot up time (15 seconds). This new SSD will keep my 5 year old netbook in the game for a few more years.


    Most Liked Negative Review


    Software tool was really bad

    OK, first I have to say it was totally my fault to purchase the wrong SSD, our IT requires non-encrypted drives and uses software encryption so in the end I bought the wrong...Read complete review

    OK, first I have to say it was totally my fault to purchase the wrong SSD, our IT requires non-encrypted drives and uses software encryption so in the end I bought the wrong drive. With that said... first this drive does not allow you to disable the hardware encryption (there are some out there that do) and second, when I tried to install it following the instructions for the software to create the image of my hard drive onto the SSD drive, after the reboot it DESTROYED my hard drive data. Not bootable, no partition, gone. Our IT department was able to get the data off but the system had to be totally re-imaged from scratch.

    Reviewed by 38 customers

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    Always a quick and easy experience

    By Tom

    from Kirkland, WA

    Verified Reviewer

    I have used Crucial RAM and SSD hard disk upgrades to improve performance and extend the life of several of my laptop and tower computers. All products I have purchased from Crucial have worked flawlessly. The included Acronis software for each SSD has made disk duplication a breeze.

    • Was this a gift?:
    • No

    Excellent product I definitely would recommenD

    By Ricky

    from Montréal

    Verified Reviewer

    In my desktop Dell computer. It has greatly increased my boot and overall speed

    • Was this a gift?:
    • No

    Good Drive and handy software for cloning!

    By Jordan

    from Pendleton, OR

    The cloning software included was handy, cloned my old drive and resized the partition to fit the larger drive!


    2nd Crucial SSD for me

    By Jim the old man

    from Baton Rouge, LA

    Verified Reviewer

    Purchased and installed this drive earlier this week. Installation was easy, as was setup. Moved data from the old drive to this one, reassigned drive letters and everything works as it should. Computer is quieter and backups are faster.

    • Was this a gift?:
    • No

    Fast and easy to use.

    By smanion75

    from Aurora, CO.

    Verified Reviewer

    I needed to replace a HHD in a used HP work station. The old drive was to small an could not be formatted. The new drive was easy to install . The process was tool less and literally a snap took about two minuets. Up and running in 5 minuets. I will do it again on other computers.

    • Was this a gift?:
    • No

    (0 of 1 customers found this review helpful)


    FAST... Blazing Fast!....WoW!

    By JustMeInTN

    from TN

    I read many reviews abt Crucial and them being neck and neck with Samsung... I decided to give them a try... 1st in my dad's laptop to replace his Hdd... then after seeing tue speed me and my brother bought 1 for my mother's AIO pc.. she can't believe the speed increase on her budget system! So finally see if 2 very successful cases with Crucial I bought this 1tb version for my older Alienware 14 laptop to replace it's slow hdd! I'm more then impressed with the quality... speed.. and price! Customer service is amazingly friendly and helpful! Will be using Crucial for all projects and upgrades going forward!!

    • Was this a gift?:
    • No

    works very well

    By VK

    from Marlborough, MA

    Verified Reviewer

    I bought this for a T470 laptop and then when I opened found that it has a m-key based NVMe and I could not use this disk to copy as I dont have the SATA connectors.

    So I repurporsed this and replaced my son's mac mini the main disk and now mac mini late 2011 is having this disk and it works very well and Mac Mini is very fast !

    • Was this a gift?:
    • No

    Product improved speed of of boot and daily operations

    By Joe

    from Greensboro, NC

    Verified Reviewer

    Bought 1TB ssd to replace 1TB hd == for my HP laptop -- device was correct and works flawlessly. Installation had 2 issues -- taking apart laptop (not a crucial issue but was tricky) -- getting ACRONIS cloning software to work -- had to call crucial twice -- run of software form initial instructions -- failed, called crucial and they sent instruction sheet two -- which also failed -- called crucial and they sent instruction sheet 3 which did work -- my suggestion provide all instruction sheets up from or on line.

    • Was this a gift?:
    • No

    Wish I had purchased this product a year ago.

    By Bill.

    from South Tropical Texas

    Verified Reviewer

    3 year old (Dell) Alien Aurora R4, amazing computer.
    The original HD started running 100% (Task Manager!) a lot of the time with system slow down.
    Signs of pending failure.
    Replaced with Crucial 1 TB SSD.
    More than doubled the speed of the computer........ noticeably faster than new on everything I do.
    Boot times close to 40 seconds.
    Task Manager now showing HD running under 2% most of the time. Even moments of high use return below 2% in seconds.

    • Was this a gift?:
    • No

    Crucial MX300 1TB SATA 2.5" 7mm (with 9.5mm adapter)

    By A user of an Old MacBook Pro

    from New York, NY

    Verified Reviewer

    Work well with my Mid-2010 MacBook Pro 15" i7. Replaced the old drive, installed the Crucial SSD drive, formatted it, used Time Machine to restore the drive. I did not need to use the adaptor for fit into my MacBook Pro. The Crucial drive works perfectly with the my MacBook Pro and boot rate is improved significantly. (I don't have device to measure the actual improvement but do see the difference.) This SSD drive give the old MacBook Pro a new life. I have installed in for about two months. No problem so far. I would strongly recommend this drive for anyone who would like to bring a new life to an old computer.

    • Was this a gift?:
    • No

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