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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 15 reviews
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    • £226.79 inc. VAT*
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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_GB-1-reviews.html


    by PowerReviews

    (based on 15 reviews)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



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    • 2 Stars



    • 1 Stars




    of respondents would recommend this to a friend.

    Reviewed by 15 customers

    Displaying reviews 1-10

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    Did what it said on the tin.

    By Laurie_W

    from London

    Verified Reviewer

    Would have given this 5 stars, but for 2 things:
    1. It wasn't obvious that the necessary SATA to USB cable wasn't included, which was annoying because it delayed me by a day in doing the install;
    2. The recommended software, although it performed excellently in cloning the original drive, simply didn't work on my Windows 10 OS when trying to use the disk optimisation tools - this seems to be a common issue on checking the forums.
    These 2 gripes apart, I would recommend this drive as an upgrade to a slow preforming laptop. The increase in speed in relation to boot-up times and the loading of bloated software is impressive.


    1 Tb SSD

    By Saltings

    from Milton Keynes, U.K.

    Verified Reviewer

    Very simple to add using their kit so no risk of losing data.


    Another great SSD

    By Claude

    from Bucks

    I upgraded my 500GB Crucial SSD to a 1TB as the VMs needed more space. The only issue I had was not with the SSD but the software that crucial recommend to copy the drive. It gave a warning that the drive would not be bootable and it did not boot first time but not due to the SSD copy, the BIOS had changed the boot order and made the SSD last? I have no idea why but Crucial support helped sort it out.



    By LeedsResident

    from Leeds

    Verified Reviewer

    Bought this to upgrade a windows laptop. Good value. Supplied with disc-mirror software that easily transferred all the data from the old HDD onto this SSD. All worked well and the process was very easy.


    Easy to installed, SSD's from

    By Marty

    from East London

    Verified Reviewer

    I have upgrade all my PC's Laptops and Macs with quick SSD and boot up times are faster than the standard Hard drives, prices at Crucial are the best, I have used various models 120, 250 and 480Gb No defragging as standard hard drives lovely.


    100% Recommend!!

    By Philip

    from Darlington

    Verified Reviewer

    The cost of a new Mac should be astronomical and I really couldn't afford to buy a newer model. There is nothing wrong with my MacBook Pro but it was showing its age due to how slow it was. I bought this SSD as an update and add more memory. Can't believe the difference it has made. This simple change has more than halved the start up time and opening of apps is almost instant. I highly recommend this SSD to anyone. I'd previously bought RAM from Crucial so knew the quality would be excellent.

    (1 of 1 customers found this review helpful)


    Best ever iMac Upgrade

    By Big Cheese

    from Hampshire

    Verified Reviewer

    I had SSD drive professionally installed by an independent computer/IT into my 2010 27inch Quad core i7 iMac. They informed me that it will fit in behind the optical drive (without losing the optical drive). Now I have a 1TB start up disk and 1TB storage drive. Boot up is 30 seconds as opposed to 5 minutes with stock hard drive. New life in what is still a great machine!

    (2 of 2 customers found this review helpful)


    Excellent Product and Easy to Install

    By Michael

    from Maidstone, Kent

    Verified Reviewer

    Ok....Upgrading your MacBook HDD to an SSD is a daunting experience!! However, I can testify that it was simple and I highly recommend that you buy this SDD.
    1. Download a trail copy of Carbon Copy and make a clone of your HDD to an external drive.
    2. Swap out the HDD and Install the SDD, using the guide from Crucial website
    3. Boot your Mac from the external drive.
    4. Open the Disc Utility program and "Erase" your new SDD, remembering to name it using the same name as your old HDD. This process will make your new SDD useable.
    4. Use Carbon Copy to clone the external drive to your new SSD.
    5. Reboot (holding your breath) using the SSD.
    6. Breath a sign of relief and pour yourself a glass of wine to celebrate!

    (1 of 1 customers found this review helpful)


    What an excellent little device

    By Pauls898

    from Malvern, West Midlands

    Verified Reviewer



        Best Uses

        • Laptop System Drive

        I purchased one of these to replace my system Hard Drive in my Dell Laptop, I then formatted it in three partitions for Windows 10, Documents and Music, I then did a clean install of Windows 10, it activated first time with no hassle as laptop had already been upgraded to Windows 10 with it's existing hard drive so activation was a breeze.
        Laptop is far more responsive, fast and now complexly quite apart from when the CPU fan starts up, even then it's ultra quite.

        (1 of 1 customers found this review helpful)


        My 3rd purchase of similar Crucial products

        By Bickbadger

        from Somerset

        Verified Reviewer

        I have 2 of these installed in a 5 yearr old laptop.
        It beats all the newer laptops for connectivity and functionality.

        Displaying reviews 1-10

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