Hard Drive | 1 TB SATA |
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Brand | Crucial |
Series | 1TB |
Item model number | CT1050MX300SSD1 |
Hardware Platform | PC & Mac |
Product Dimensions | 10.3 x 0.71 x 7 cm; 100 Grams |
Item dimensions L x W x H | 10.3 x 0.7 x 7 Centimetres |
Flash memory size | 1 TB |
Hard drive rotational speed | 530 RPM |
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Crucial MX300 1TB 3D NAND SATA 2.5 Inch Internal SSD - CT1050MX300SSD1
Purchase options and add-ons
Digital storage capacity | 1 TB |
Connectivity technology | SATA |
Brand | Crucial |
Special feature | Compact |
Hard disk form factor | 2.5 Inches |
Hard disk description | SATA |
Compatible devices | Desktop |
Installation type | Internal Hard Drive |
Hard disk size | 1 TB |
Hard disk rotational speed | 530 RPM |
About this item
- Sequential reads/writes up to 530/510 MB/s on all file types
- Random reads/writes up to 92K/83K on all file types
- Over 90x more energy efficient than a typical hard Drive
- Accelerated by micron 3D NAND technology
- Dynamic Write acceleration delivers faster saves and file transfers
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Product information
Technical Details
Summary
Additional Information
ASIN | B01IAGSDUE |
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Customer Reviews |
4.7 out of 5 stars |
Date First Available | July 23 2016 |
Manufacturer | Crucial |
Place of Business | MERIDIAN, ID, 83642 US |
Warranty & Support
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From the manufacturer

Crucial MX300 Solid State Drive
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.
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.
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Instantly improve system performanceThe Crucial MX300 reaches read speeds up to 530 MB/s and write speeds up to 510 MB/s* 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 drive**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 lastsWith an endurance rating of up to 220TB 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. Protect your data with AES 256-bit hardware-based encryption, RAIN technology, Exclusive Data Defense technology, and the durability inherent in SSD design. |
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Keep your system coolIn 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 Executive***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. |
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Note: 1GB equals 1 billion bytes. Actual useable capacity may vary.
*Based on the published specs of the 525GB model. Speeds based on internal testing. Actual performance may vary.
**Active 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.
***Validated by testing included in the “Enhance Burst Performance on Micron and Crucial SSDs Using Momentum Cache” whitepaper
Product description
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.
Customer reviews

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The rest of my comments here pertain only to a couple of snags I ran into during the cloning process, and have nothing to do with the SSD itself.
I did have to get a SATA to USB cable, which I hadn't realized I'd need at first. (I wasn't kidding when I said I know almost nothing about these things). The other problem I ran into is that the Acronis True Image 2015 software wouldn't work. At the reboot point, it would not continue running the process and I had to start it again. I tried a few times (which was time consuming) before I realized it wasn't going to work. I finally figured out that it didn't work on Windows 10. There was a patch available on their website but it didn't work either. Apparently you can only update the patch if you already have the full paid version of it, and that's how I discovered this version that comes with the SSD is just the 30 day trial. ( I am not sure why you need to enter a key or serial number if it's just a trial because you can download that yourself at any time from their website. ) So I tried downloading the 2017 trial version from the Acronis website, and it didn't work because the Cloning part, which is the only part I needed, was only available on the purchased version. I didn't want to spend another $50 for a one time process, so googled for a solution and found another free program called Aomi Backupper. This was very easy to use and although it took a few hours to clone, it worked perfectly. It probably only took that long because of the state of my original hard drive. It created some partition issues (probably because I hadn't known which option to select in the cloning process, so picked "optimal for ssd". ) I had to then download the free Aomi partition program so I could move and then extend partitions it had created in order to have my C drive extended to the extra 300 or so gigs the new drive had from my old one. So, while I have heard how good the Acronis software is, just wanted to let you know if you do get the older version that doesn't work with windows 10 and you don't want to put out more money to buy it, there are other free products out there. Aomi Backupper worked great for me, but I have no idea if it's one of the better ones or not. It was just a lucky first try.
So I am giving 5 stars just because the SSD is fantastic and the Acronis issue, wasn't a big deal. I would have bought the hard drive even without it. It was a nice bonus that probably works for a lot of people, and had it worked, I would have been thrilled, but it all turned out fine in the end. Hopefully Crucial will start including a newer version that also allows you to Clone on WIndows 10.
But I do love the new hard drive. I also swapped out my ram recently from 6 to 16 gigs and between those two things, I feel like I have a new computer.
Longer review: I have a ~6 year-old Dell StudioXPS Laptop that was top of the line 6 years ago, but has recently been operating quite slowly, particularly after the recent Windows 10 Anniversary edition update. I finally decided to give the Solid State Drive (SSD) a try. I also ordered a USB to SATA adapter for <$15 which allows you to copy/clone your existing hard drive to the SSD and is likely a must-have (one time use) for anyone just wanting to replace their old hard drive but not have to re-install everything. I was worried about whether I could easily transfer the full operating system and files I had without having to re-install Windows, and the included Acronis software (which you have to download) makes it a breeze. I installed the software, plugged in the SSD to the adapter and to the USB port, clicked on a few buttons to clone it and left the computer overnight and all seemed good. Installing the SSD was also easier than I expected (I had never opened my laptop before this): a bunch of unscrewing, taking out the old drive and putting this one in. A youtube video can educate you if you aren't too familiar with the internal components. When I turned on the computer with the SSD installed, it was amazingly fast. I didn't time the pre- and post install boot up times, but normally I'd turn on my computer and it would feel like it'd take 3-5 minutes to boot up and login and the hard drive light would be constantly running. Now it is <10 seconds, and then logging in is another 10 seconds. Programs open super fast. I highly recommend anyone who is still working off of an older type of hard drive to upgrade. UNFORTUNATELY, it wasn't this easy. A few minutes after opening a few programs, the computer stopped responding. The task manager showed the hard disk at 100% even though no programs were using the hard drive and the light was not on. I had to hard reboot the computer. This happened many times. After some googling I heard that others had similar problems and had success by uninstalling the Acronis software (which I needed to install in order to clone the hard drive). Thankfully, uninstalling the Acronis software (which I no longer needed as it served its purpose cloning the drive) solved my system freezes and so far I've been going a couple days with a much faster laptop. So minus a star for the software glitch, but overall very happy with the purchase and highly recommend the upgrade to an SSD if you're still using an old hard drive.
Top reviews from other countries

The laptop is a recent (2017) MSI Apache 17”. It has space for one PCIe SSD and one standard SATA 3. I chose to go with a standard SATA because I’m lazy and didn’t want to mess about with moving the system disk.
Anyway, all good, and decent for a SSD (but not outstanding figures) in CrystalDiskMark. That is until I downloaded Crucial Storage Executive and enabled momentum cache.
The figures speak for themselves (see my screenshot of CrystalDiskMark).
I've also added a second image from Task Manager showing how momentum cache works. The G drive is a traditional HDD transferring 25GB of data to F, a 1TB SSD with momentum enabled (I'm actually installing the game Fallout 4 from G to F). You can see that the SSD only occasionally writes data (about once every 10s).
So, a very good thing about Momentum cache is the way it handles small files; it caches them to memory and only writes them to the physical SSD occasionally. This not only saves wear on your SSD, but it also makes certain tasks fly. I am a web application developer, and my build process (which involves working with literally thousands of javascript files) is now super fast (it would be even faster if node/npm was multi-threaded, but that's another story!).
What are the downsides of doing this?
Momentum cache uses your PC memory as a read/write cache, so you need to have a decent amount of memory. My laptop has 16GB, so all good there. I suspect it will work less well for 4GB systems, or if you are using a power-hungry application (such as Adobe Premiere, which I use). It also increases the CPU overhead.
EDIT: I're realised Windows 10 Task Manager > Memory shows you the RAM cache (its marked as 'memory that has to be saved to disk before it can be used for something else' or words to that effect). I copied over the full install folder of Fallout 4 plus DLCs
(29.6GB) onto a Momemtum enabled drive and the cache varied between 1 and 1.5GB. So the 4GB is never reached; more like >2GB.
Crucial strongly recommend a battery backup if you use momentum cache (i.e. you can lose the cached data on a power fail), so other things equal you should only really enable it on a laptop.
The cache is written to the real SSD on power off, so system shutdown takes longer (by 5-10s, so significant).
But yeah, just look at those figures; well recommended for laptops with memory to spare; your system flies!
Edit: Another good thing about the Crucial I'm finding is that it uses devSleep much more often than other SSDs. Since writing this review (5 months), the up-time for my SSD (according to CrystalDiskInfo) is only 9 hours when the physical up-time has been office hours (8.5 hours a day, 5 days a week). The low up-time saves both power and wear and tear, with no noticeable affect on access time. DevSleep only seems to kick in on laptops (it does not seem to affect my desktop), but is certainly something that will extend your laptop battery life (especially if you have two drives) and the life of the SSDs themselves. Oh, I also suspect the up-time is coming out so low because of Momentum Cache (RAM caching means less access requests to the SSD and more devSleep down-time), so devSleep and Momentum cache probably work together).


Reviewed in the United Kingdom 🇬🇧 on September 9, 2017
The laptop is a recent (2017) MSI Apache 17”. It has space for one PCIe SSD and one standard SATA 3. I chose to go with a standard SATA because I’m lazy and didn’t want to mess about with moving the system disk.
Anyway, all good, and decent for a SSD (but not outstanding figures) in CrystalDiskMark. That is until I downloaded Crucial Storage Executive and enabled momentum cache.
The figures speak for themselves (see my screenshot of CrystalDiskMark).
I've also added a second image from Task Manager showing how momentum cache works. The G drive is a traditional HDD transferring 25GB of data to F, a 1TB SSD with momentum enabled (I'm actually installing the game Fallout 4 from G to F). You can see that the SSD only occasionally writes data (about once every 10s).
So, a very good thing about Momentum cache is the way it handles small files; it caches them to memory and only writes them to the physical SSD occasionally. This not only saves wear on your SSD, but it also makes certain tasks fly. I am a web application developer, and my build process (which involves working with literally thousands of javascript files) is now super fast (it would be even faster if node/npm was multi-threaded, but that's another story!).
What are the downsides of doing this?
Momentum cache uses your PC memory as a read/write cache, so you need to have a decent amount of memory. My laptop has 16GB, so all good there. I suspect it will work less well for 4GB systems, or if you are using a power-hungry application (such as Adobe Premiere, which I use). It also increases the CPU overhead.
EDIT: I're realised Windows 10 Task Manager > Memory shows you the RAM cache (its marked as 'memory that has to be saved to disk before it can be used for something else' or words to that effect). I copied over the full install folder of Fallout 4 plus DLCs
(29.6GB) onto a Momemtum enabled drive and the cache varied between 1 and 1.5GB. So the 4GB is never reached; more like >2GB.
Crucial strongly recommend a battery backup if you use momentum cache (i.e. you can lose the cached data on a power fail), so other things equal you should only really enable it on a laptop.
The cache is written to the real SSD on power off, so system shutdown takes longer (by 5-10s, so significant).
But yeah, just look at those figures; well recommended for laptops with memory to spare; your system flies!
Edit: Another good thing about the Crucial I'm finding is that it uses devSleep much more often than other SSDs. Since writing this review (5 months), the up-time for my SSD (according to CrystalDiskInfo) is only 9 hours when the physical up-time has been office hours (8.5 hours a day, 5 days a week). The low up-time saves both power and wear and tear, with no noticeable affect on access time. DevSleep only seems to kick in on laptops (it does not seem to affect my desktop), but is certainly something that will extend your laptop battery life (especially if you have two drives) and the life of the SSDs themselves. Oh, I also suspect the up-time is coming out so low because of Momentum Cache (RAM caching means less access requests to the SSD and more devSleep down-time), so devSleep and Momentum cache probably work together).



Was my first time replacing HDD with SSD, with some reading and research, managed to do it without much problems.
Now the four year old laptop is seriously quick! Of course time will tell how well the drive performs.
If no updates here, means all is good :)
If anyone considering upgrading computer / laptop with SSD, go to Crucial UK website, find the free little software that will scan your computer and advise you which drive to buy. Then buy it from Amazon, you will save £££.
UPDATE... Four months on, laptop is working well. Battery lasts much longer with SSD.

Reformatted the drive and all was good. For another few months. Another reformat, and it finally gave up the ghost in August 2022. When I read up on it there is, apparently, a thing called TOW (Terabyte Over Write).
It essentially means that, from the day you get it, sectors are failing when they are overwritten a number of times. Extremely disappointing, given that I have a Seagate HDD for ten years, and no problems with it at all.
Prices have fallen, so I purchased a 1TB Samsung SSD this time out. So we'll see what happens there.
For all the touting of the speed of SSDs, this appears top be their vulnerability. So make sure you have everything backed up.

I used this ssd in an external caddy connected via USB 3.0 port on a laptop and it replaced a Seagate backup 1TB hdd for the purpose. The Crucial ssd worked well and I experienced no data losses or other problems. Meantime I backed up the ssd to the Seagate hdd it replaced. Occasionally I would check the Crucial Storage Executive software for S.M.A.R.T. status of the ssd.
End of August 2021 I noticed the ssd started being slow in reading an occasional file and then in writing too. After a few days the problem exacerbated and I tried 3 different caddies, adding supplemental power supplies etc but no difference. After checking the backup was current and restoring to a new ssd I decided to reinitialise the Crucial ssd by sanitizing the drive using the Crucial SE software. Despite several attempts this failed (got as far as a Linux prompt in SE before rebooting). Then the ssd intermittently could not be seen by Windows and Linux os's on 3 different machines. I deduced at that point it was a goner. I'll probably crush the memory chips - no screws or solder impedes access to the ssd case innards.
I have no training in electronics but my experience of failing consumer electrical devices has led me to find as often as not that the problem of intermittent operation is to do with failing power supply whether by dying capacitors or otherwise. Here that may or may not be the case but it would be a shame if the memory chips were in fact OK and only the power supply components had failed.
I got 4-1/3 years' use out of the ssd, meantime the hdd (previously used full time for 5 years) soldiers on, with no bad sectors still. So no major complaint, but an uneasy sense of surprise the ssd failed so quickly once it started and without warning from Crucial SE. Now ssd prices have come down somewhat the cost/benefit analysis is probably somewhat more acceptable however.
Having a working backup when needed repays all the time one spent thinking 'why am I doing yet another daily backup?'!

Had a problem with a Crucial M4 until they finally fixed the firmware, this is the same issue (a long power cycle usually brings it back), but then it just randomly disappears again - completely unreliable. I have updated this MX300 525gb with the latest firmware, tried using different SATA ports and different SATA cables - either it hates my build of Windows or my motherboard, or I'm just unlucky as most reviews seem positive.
Loath to return as I got it at a great price on a lightning deal, but completely pointless if I can't rely on it staying available