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Crucial MX300 525GB SATA 2.5" 7mm (with 9.5mm adapter) Internal SSD


  • Brand: Crucial
  • Form Factor: 2.5-inch internal SSD
  • Total Capacity: 525GB
  • Warranty: Limited 3-year
  • Specs: 525GB 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
  • view all product details
    5 stars 38 reviews
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    • €150.05 inc. VAT*
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    Crucial MX300 525GB 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 525GB
    Warranty Limited 3-year
    Specs 525GB 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" (7mm) SSD, 7mm to 9.5mm spacer, Acronis® True Image™ HD certificate
    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: 9C0F327BA5CA7304
    PR file path: /pwr/96v439cu/inline/07/46/9C0F327BA5CA7304-en_GB-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.

    Most Liked Positive Review



    Basically, to save yourself 3 days, do not clone from a HDD to an SSD. ALso the Acronis software DOES NOT work out of the box. You need to burn bootable media,...Read complete review

    Basically, to save yourself 3 days, do not clone from a HDD to an SSD. ALso the Acronis software DOES NOT work out of the box. You need to burn bootable media, run the cd from BIOS/Boot, change settings in bios just to get the clone to do its job. But then running the SSD does not wqork, i presume because of legacy drivers that are not addressed opr updated. But since the drive stays stable for about 15 seconds after login you have no time to sort out any issues. I eventually managed to get to windows reset screen and tried to keep settings, THIS DID NOT WORK EITHER. Basically, do a fresh install of windows on the drive. And reinstall all your software. Safest, cleanest way to use this drive. (I dont think its a fault of the drive just the process in general)


    Most Liked Negative Review


    NOT Compatible with HP Pavilio

    Wasted a whole day trying to install this with hours spent on the phone to Crucial. After numerous attempts, (and various solutions to try from Crucial), and time wasted cloning it more...Read complete review

    Wasted a whole day trying to install this with hours spent on the phone to Crucial. After numerous attempts, (and various solutions to try from Crucial), and time wasted cloning it more than once, it is being returned. All it did was cause MAJOR MAJOR problems in Windows 10, (hanging, freezing, not opening software, half opening software and then not being able to close it), all the way to complete lockup of laptop requiring disconnection from the mains.

    Reviewed by 38 customers

    Displaying reviews 1-10

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    (1 of 1 customers found this review helpful)


    I would definitely recommend upgrading to this SSD

    By Yule

    from London

    Verified Reviewer

    Cloned the old 128 SSD ove this new one, wish I'd done ages ago

    (1 of 1 customers found this review helpful)


    if you don't have one, get one, quality upgrade.

    By selbrads

    from Stafford UK

    Verified Reviewer

    Crucial SSD has replaced a noisy and ageing HDD, My MacBook Pro is now so much quicker, quieter and cooler, I mainly use for video editing and Crucial SSD gives me faster and cleaner video clips pick up and storage. Super fast boot up is a mega bonus.

    (1 of 1 customers found this review helpful)


    My New SSD from Crucial

    By B from Norfolk

    from Kings Lynn

    Verified Reviewer

    Crucial down loadable software for installation also works well. I cloned my original hard drive to the new SSD then fitted the new drive into my Dell. All worked well first time.The ability to check compatibility on your web site is reassuring when choosing products. Thanks.


    Good value

    By olphind

    from Norwich, UK

    Verified Reviewer

    Replaced a suspect 256SSD, but after applying Firmware updates on the old (5 years old) Crucial SSD that too is now working & will be a backup for my C: drive on my master PC.


    Works very well. Easy to fit and fast

    By Mal

    from East Anglie

    Confirmed with pre-sales that they would be compatible with both my laptops.
    Order 2 drives plus one USB to SATA cable.
    Downloaded Acronis software (link given on Crucial web site)
    1. Cloned existing hard drive to new SSD. Windows 7. This was 2 partitions on a smaller drive. It added extra to both partitions as SSD was larger. Replaced hard drive with SSD. Much faster boot.
    2. Cloned existing hard drive to other SSD. Windows 10. This was one partition of 700GB but only half used. I had deleted superflous files previously. Replaced hard drive with SSD. Faster but not so significant as older machine above as this was an i7 Intel.

    Used you tube to assist in replacing hard drive BUT some you tube were incorrect for one of the machines.

    I had also purchased 2 USB to SATA docking stations (NOT enclosure) from Novatech. This takes either 2 1/2" or 3 1/2" drives. Ideal for taking initial backups prior to doing work (not clone, just backing up files with Windows copy)

    It was so easy as long as you take things step by step.
    BUT now need to modify both systems where possible to reduce the writes to get longer life on SSD.


    Works perfectly

    By Kev Pope

    from UK

    Verified Reviewer

    I know nothing about computers, but I was able to use time machine to put all my stuff on this hard drive and then physically install it with no issues just by searching for how to guides online. The copying took a few hours and the installation just 30 mins. It works perfectly and my 2009 mac is now back to being lightning quick.


    Absolutely Fantastic

    By SimonC

    from Cheshire

    Verified Reviewer

    I had a five year old i7 Dell Inspiron N7110 with a HDD. It was so slow to load at start and every time it opened programs. Fitted a Crucial MX300 SSD and WOW! The i7 Quad Core now works at the speed it should. Laptop starts up from scratch in 10 secs, no more going off to make a coffee while it starts. I decided to do a completely fresh install of Windows 10 on the SSD and even that was so easy. Everything I do on the laptop now works at lightning speed. Wish I had done it earlier! If you haven't done it already, upgrade to an SSD, it is so worth it.


    Good SSD

    By markcol

    from Isle of Wight

    Put new life into my Macbook


    Amazing reduction in boot time

    By Sheppertonian

    from Shepperton UK

    Verified Reviewer

    Used this to replace a 1Tb hard disk in a 4-year old laptop running Windows 10. Before replacing it was taking 5 to 8 minutes to boot. Replacement was easy using the instruction video, cloning the old disk was straightforward using the included download of Acronis software and the SATA to USB I purchased at the same time. Unplugged the old disk, plugged in the SSD and switched on. Boot took 20 seconds!


    Good value SSD

    By ChrisJ

    from North Wales

    Verified Reviewer

    I installed the SSD very easily on a 2011 MacBook Pro. Sadly the logic board died a week later - NOOOOOO!!!!!

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