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PNY Prevail 240GB SSD Review (Page 8)

By: Chris Ramseyer from Sep 12, 2013 @ 21:03 CDT
TweakTown Rating: 86%Manufacturer: PNY

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.

pny_prevail_240gb_ssd_review_61

CDM gives us our first look at incompressible data performance. When reading data, there isn't a lot of difference between data types - we'll see a larger divide in the next chart when writing data to the drive. Reading data we see good scaling with added queue depth, from 39 MB/s at QD1 to 88 MB/s at QD4.

pny_prevail_240gb_ssd_review_62

Incompressible data doesn't do a lot of harm with 4K writes, as you can see in this chart. The sequential performance with incompressible data moves down to 331 MB/s.

So much for the forum complainers - the Prevail 240GB outperforms Crucial's M500 240GB when writing sequential incompressible data.

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