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Crucial M550 512GB SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: Apr 24, 2014 2:00 pm
TweakTown Rating: 91%Manufacturer: Crucial

DiskBench - Directory Copy


Version and / or Patch Used:


Note: In this test, we use the Lenovo W530 Mobile Workstation and a SuperSpeed S301 SLC 128GB SSD to move a 15GB block of data to and from the target drive. This is part of our real-world test regiment. Roughly 45GB of data resides on the target drive before the '15GB Block' is transferred. The 15GB Block is the same data we built for the Data on Disk Testing and is a mix of compressible and incompressible data.




The first of our mobile tests shows data transferring to and from the drive. Before we get too deep into the chart, I want to point out that our tests are all ran with a set time in between them and it never changes.


As you can see, the M550 write speed in the directory copy test is a lower than the other drives. The 256GB model did the same thing as did a few of the ADATA SP920 drives. We think our test comes too soon after some of the other tests and the drive is still rearranging data on the flash (garbage collection). When GC is taking place, the write speed drops.

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