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OCZ Vector 256GB SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: Nov 27, 2012 5:00 pm
TweakTown Rating: 93%Manufacturer: OCZ Technology



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.




You may have noticed a couple of new drives in the charts today that have not been reviewed on TweakTown yet - Intel's 335 Series and Samsung's 840. The Samsung 840 Pro is not on the list, they have a firmware issue and many of the drives are failing in the field with an unrecoverable issue.


Vector's 4K read speed is just over 31MB/s. That jumps to around 88MB/s with QD4 and all the way to nearly 400MB/s at QD32. Much like Vertex 4 the drive is tuned for a lot of high queue depth operations, but this time OCZ managed to leave the low queue depth performance intact, as you'll see on the next page.




The single queue depth 4K performance was 164MB/s, the highest on the chart and a beast of a number. Vector scaled to 340MB/s written at QD4 and 373MB/s at QD32. This 4K write speed is very nice especially when installing programs and working with small files.

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