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ADATA XPG SX900 128GB with SandForce B02 controller SSD Review (Page 9)

By Chris Ramseyer from Apr 10, 2013 @ 1:01 CDT
TweakTown Rating: 92%Manufacturer: ADATA

CrystalDiskMark

Version and / or Patch Used: 3.0 Technical Preview

Developer Homepage: http://crystalmark.info

Product Homepage: http://crystalmark.info/software/CrystalDiskMark/index-e.html

Download here: http://crystaldew.info/category/software/crystaldiskmark

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.

adata_xpg_sx900_128gb_with_sandforce_b02_controller_ssd_review_61

Here we see incompressible data used in scaling queue depths at 4KB. The SX900 blasts well past Vertex 3.20 and V300. At a single queue depth SX900 delivers over 35MB/s, but the other drives catch back up as the queue depth increases. Reading sequential data that's incompressible is another area where the SX900 trumps the other two new SandForce based drives.

adata_xpg_sx900_128gb_with_sandforce_b02_controller_ssd_review_62

Of the three new SandForce based drives, the SX900 has a higher incompressible data write ceiling or brick wall as I call it. In the 120/128GB capacity size, SandForce based drives have a performance wall, you can easily spot every SandForce/MLC based drive in this chart by the horizontal line of performance, where the drive just won't give anything more.

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