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Crucial MX200 500GB SSD Review (Page 4)

By Jon Coulter from Apr 13, 2015 @ 8:58 CDT
TweakTown Rating: 92%Manufacturer: Crucial


Version and / or Patch Used: 2.47

ATTO is a timeless benchmark used to provide manufacturers with data used for marketing storage products.


Sequential read transfers max out at 527MB/s. Sequential write transfers max out at 498MB/s. Read speed is not quite hitting spec, but keep in mind that this is our boot volume and it's 75% full.

Sequential Write


Sequentially, our MX200 is beating Intel's 730, but falling behind the rest of the drives on our chart. The MX200's performance curve is practically identical to the MX100.

Sequential Read


Both our MX100 and our MX200 are able to outperform our Intel drive, but trail the 850 Pro and Extreme Pro by a significant margin, especially at smaller file transfer sizes.

Anvil Storage Utilities

Version and / or Patch Used: 1.1.0

Anvil's Storage Utilities is a storage benchmark designed to measure the storage performance of SSD's. The Standard Storage Benchmark performs a series of tests; you can run a full test or just the read or write test, or you can run a single test, i.e. 4k QD16.




Anvil's scoring gives a good indication of a drives overall performance. In terms of score, both the MX100 and MX200 are able to outpace the Extreme Pro and 730. Our Extreme Pro is only 240GB, but that's okay because the 240GB Extreme Pro is the fastest of the Extreme Pro series.

Read IOPS through Queue Depth Scale


As expected, Samsung's 850 Pro outpaces the competition in this test. The MX100 and MX200 have an identical performance curve at lower queue depths. The MX100 inherently has more parallelism in play than the MX200 and this may be a factor as to why the MX100 has slightly more top end.

Write IOPS through Queue Scale


Random write performance at low QD is exactly where Crucial's MX series SSDs excel. Low QD write performance is what we consider the most important performance metric. Both the MX100 and MX200 have better low QD random write performance than the competition. We think that the MX100's parallelism is a factor in delivering better performance than the MX200 at low QD.


Version and / or Patch Used: 3.0 Technical Preview

CrystalDiskMark is disk benchmark software that allows us to benchmark 4k and 4k queue depths with accuracy.

Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at QD4.


Looking at our read chart confirms exactly what we saw with our Anvil IOPS testing. The MX100 and MX200 perform identically until we hit QD32 where the MX100 pulls ahead slightly. Low QD random performance is most important in an OS environment, and in this regard, Crucial's MX series is lagging a bit in comparison to the rest of the drives on our chart, all of which happen to be read-centric.


Crucial's MX series drives have better low QD random write performance than the others on our chart.


Version and / or Patch Used: 1.7.4739.38088

AS SSD determines the performance of Solid-State Drives (SSD). The tool contains four synthetic as well as three practice tests. The synthetic tests are to determine the sequential and random read and write performance of the SSD.


The MX100 and MX200 both have awesome write performance, and it shows. Only Samsung's 850 Pro is able to best them in this area. This is somewhat misleading as so much of AS SSD's scoring is derived from the 64-thread portion of the test, giving the 850 Pro an inherent scoring advantage. Let's see what our trace-based testing reveals.

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