Micron M600 SSD Review (256GB/1TB)


Crystal Disk Benchmark is used to measure read and write performance through sampling of random data which is, for the most part, incompressible. Performance is virtually identical, regardless of data sample so we have included only that using random data samples.

Micron M600 2.5 256GB Crystal Disk Mark Micron M600 2.5 1TB Crystal Disk Mark

In Crystal Disk Mark the 256GB M600 achieved 523MB/s read and 500MB/s write, while the larger 1TB drive achieved 513MB/s read and 501MB/s write. 4K reads for the 256GB drive reached near 37MB/s and 163MB/s for the 4K writes. The 1TB model got a slightly slower 4k read at around 35MB/s, but scored a slightly better 4k write speed of 169MB/s.


The toughest benchmark available for solid state drives is AS SSD as it relies solely on incompressible data samples when testing performance.  For the most part, AS SSD tests can be considered the ‘worst case scenario’ in obtaining data transfer speeds and many enthusiasts like AS SSD for their needs. Transfer speeds are displayed on the left with IOPS results on the right.

Micron M600 2.5 256GB AS SSD Micron M600 2.5 1TB AS SSD

The 256GB drive reaches an overall score of 1194 with sequential speeds hitting 520MB/s reads and 477MB/s write. 4k speeds are also respectable with the 256GB drive reaching near 35MB/s for 4k read and 127MB/s 4k write.

The 1TB M600’s overall score was 1049 with sequential speeds hitting 511MB/s reads and 478MB/s write. 4k speeds reached 32MB/s for read and 141MB/s for write.

Micron M600 2.5 256GB AS SSD IOPS Micron M600 2.5 1TB AS SSD IOPS

Furthermore, the drives were able to achieve the rated IOPS for each capacity no issue. The 256GB reached 95,734 read IOPS and 80,276 write IOPS at queue depth 64 and the 1TB M600 reached 70,536 read IOPS and 78,674 write IOPS.

Micron M600 2.5 256GB AS SSD Copy Micron M600 2.5 1TB AS SSD Copy

In this copy test, it tries to show you how the drive will perform when copying certain types of files. Both drives follow a similar trend in relative performance.


Anvil’s Storage Utilities (ASU) are the most complete test bed available for the solid state drive today.  The benchmark displays test results for, not only throughput but also, IOPS and Disk Access Times.  Not only does it have a preset SSD benchmark, but also, it has included such things as endurance testing and threaded I/O read, write and mixed tests, all of which are very simple to understand and use in our benchmark testing.

Micron M600 2.5 256GB Anvil Micron M600 2.5 1TB Anvil

In Anvil Storage Utilities the max sequential read reaches 518.88MB/s for the 256GB model and 514.83MB/s for the 1TB model. Sequential write is just shy of the rates specification, coming in at 479.18MB/s for the 256GB model and 475.62MB/s for the 1TB model. When comparing 4K speeds, the 1TB model has a slight 2MB/s read advantage, however, the 256GB model has a slight write speed advantage.


  1. blank

    I really hope Crucial brings DWA to their consumer line aswell someday 🙂

  2. blank

    New Samsung 850 Pro is rated for only 150 TBW with a bigger lithography and Vertical NAND technology. And it claims the best endurance ratings on the market. But 16 NM Micron MLC is rated for 400 TBW. 3 times more endurance than the Samsung 850 Pro V-NAND. I am only a curious reader and I can see that: We – consumers do not need “Pro” tags. We only need more affordable! and more endurable products. Micron M600 may be a bit slower than Samsung 850 Pro but it is three times more endurable. And it will be much cheaper than 850 PRO.

  3. blank

    Wow, I really thought I could use the m600 as laptop ssd, but with such bad and much worse than advertised idle power consumption I’ll think twice before buying it. Eagerly waiting for the mSATA review, but because the 2.5″ results are already that bad, I’ll most likely wait for an Samsung 850 EVO mSATA which will probably be more alike to the 840 evo mSATA 210mW active idle.

    • blank

      I’m sorry, I had not enabled hipm and dipm support for the drives when I tested the idle power draw. I have gone back and enabled it and new, much better idle results have been found. The 256GB model sits around 55 milliwatts idle and the 1TB sits around 45 milliwatts idle. The new results have been added to the review.

  4. blank

    Hey Les. Anandtech also reviews the M600. But service time of the M600 is the worst of all SSD drives. Despite DWA?

    • blank

      I make it a habit not to read through others reviews, but thanks and… I did take a read. Thanks. The beauty of independant reports is that one gets to make the best decision through several differing opinions.

  5. blank

    Sorry to go off here but when are we going to see 1TB PCIe m.2 solutions at 4x? Is 1TB possible?

Leave a Reply

Your email address will not be published. Required fields are marked *