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MyDigitalSSD SMART 256GB mSATA Solid State Drive Review

By: Chris Ramseyer | SSDs in Storage | Posted: Jun 18, 2012 4:51 pm
TweakTown Rating: 89%Manufacturer: MyDigitalSSD



Version and / or Patch Used: 3.0 Technical Preview

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


Key Features:-


* Sequential reads/writes

* Random 4KB/512KB reads/writes

* Text copy

* Change dialog design

* internationalization (i18n)


Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at 4 and 32.




In CDM we're looking at 4K and NCQ performance. The 4K read of the SMART is just under 40MB/s, which is in line with the MemoRight MS-701 - another SandForce based mSATA SSD. The SMART scales well with native command queuing, going to 55MB/s with four commands and an impressive 120MB/s with 32.




There are some downsides to the mSATA drives on the market today and this is where you will find one of them. Here we see the NCQ performance getting up to around 200MB/s and then hitting a wall. This is also the same wall we see on the 120GB 2.5" form factor drives. The reason why the 256GB drives hit this limit is because they rarely use the same number of channels as the 2.5" 240/256GB SandForce SSDs.


Still, the numbers are impressive compared to non-SandForce mSATA SSDs.

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