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OCZ Vector 256GB SSD Review

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

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.

 

needs_summary_ocz_vector_256gb_ssd_review_56

 

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.

 

needs_summary_ocz_vector_256gb_ssd_review_57

 

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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