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Crucial MX100 512GB SSD Review



  • Run your system longer than ever before using less power – With Extreme Energy Efficiency technology, the Crucial MX100 is up to 89% more energy efficient than a typical hard drive.
  • Keep your memories, photos, and files safe – When a photo or file gets corrupted, it often becomes unusable. Prevent this from happening in the first place with the Crucial MX100 SSD, which arms every storage component with four layers of Exclusive Data Defense to guard against corrupt files.
  • Do more, faster – Get true 550 MB/s sequential reads on both compressible and incompressible data – and leave your old 177 MB/s hard drive in the dust.
  • Get best-in-class hardware encryption – Keep personal files and sensitive information secure from hackers and thieves with AES 256-bit encryption – the same grade used by banks and hospitals. The Crucial MX100 is one of the only drives available that meets Microsoft®eDrive®, IEEE-1667, and TCG Opal 2.0 standards of encryption.


Capacity 128GB /256GB /512GB
NAND Flash Micron 16nm 128GBit MLC
Controller Marvell 88SS9189
Interface SATA 6Gb/s
Seq. Read/Write Performance (MBps) 128GB: 550/150
256GB: 550/330
512GB: 550/500
4KB Random Read/Write (IOPS) 128GB: 80k/40k
256GB: 85k/70k
512GB: 90k/85k
Endurance 72TB
MTFF 1.5M hrs
Accessories 7mm to 9.5mm holder
Acronis ATI HD 2013
Warranty 3 years



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The MX100 comes in a small, simple box that gives a few pictures and a short list of what’s included. For specs, features, user guide, etc they direct you to their website.

Closer Look

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The drive itself is also pretty plain. It’s just an aluminum case with a sticker on the front and back. Along with the drive itself all you get is a 7mm to 9.5mm adapter and a small slip of paper that has a code for the Acronis True Image backup software.


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As far as internals go, the MX100 has the same PCB and Marvell 88SS9189 controller as the high-end M550 from Crucial. The only difference between the high-end M series and budget MX series is the new cheaper NAND flash in the MX100. The new Micron 16nm 128GBit MLC NAND found in the MX100 is the smallest process node found in any mainstream SSD on the market right now.

However, because of the large 128 GBit NAND, fewer dies are needed for the same amount of capacity. What this means is that in the smaller drive sizes write performance takes a hit due to less parallelism since there are physically fewer chips to distribute the load. This is very evident by looking at the spec sheet above.

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