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OCZ Technology Agility 4 256GB Solid State Drive Review - Benchmarks - PCMark Vantage - Drives with Data Testing

By: Chris Ramseyer | SSDs in Storage | Posted: Aug 9, 2012 1:54 pm
TweakTown Rating: 79%Manufacturer: OCZ Technology

PCMark Vantage - Drives with Data Testing


For a complete breakdown on the Drives with Data Testing please read this article. You will be able to perform this test at home with the files provided in the article - full instructions are included.


- Brief Methodology


SSDs perform differently when used for a period of time and when data is already present on the drive. The purpose of the Drives with Data testing is to show how a drive performs in these 'dirty' states. SSDs also need time to recover, either with TRIM or onboard garbage collection methods.


Drives with Data Testing - 25%, 50%, 75% Full States and Dirty / Empty Test

Files needed for 60 (64GB), 120 (128GB), 240 (256GB)

60GB Fill - 15GB, 30GB, 45GB

120GB Fill - 30GB, 60GB, 90GB

240GB Fill - 60GB, 120GB, 160GB

Empty but Dirty - a test run just after the fill tests and shows if a drive needs time to recover or if performance is instantly restored.




HDD1 - Windows Defender

HDD2 - Gaming

HDD3 - Windows Photo Gallery

HDD4 - Vista Startup

HDD5 - Windows Movie Maker

HDD6 - Windows Media Center

HDD7 - Windows Media Player

HDD8 - Application Loading


As if the initial performance wasn't bad enough, the OCZ Agility 4 256GB loses performance when data is on the drive. This isn't anything new; nearly all SSDs lose performance when data piles up on the flash (other than the Corsair Performance 3). The Agility 4 does not lose as much performance as many other drives, but the loss is still there.


The OCZ Agility 4 does do a really good job with TRIM as you can see here. Our sample recovered very well and delivered the same amount of performance as we started with before adding large amounts of data to the drive.

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    We at TweakTown openly invite the companies who provide us with review samples / who are mentioned or discussed to express their opinion of our content. If any company representative wishes to respond, we will publish the response here.
    OCZ strives to offer the industry's best SSD products, delivering high performance, reliability and increased value for all our customers. The Agility 4 SSD Series was designed specifically for mainstream applications and all AG4 drives utilize high quality Micron NAND, which consists of either Micron branded NAND or Micron Wafer that has been packaged by OCZ. We have not experienced an increased return rate with this product, and as with all of our solutions should customers experience any issues, require any support during setup or operation, or simply have any concerns whatsoever, they are encouraged to please contact our customer service team which will be more than happy to provide support and/or replacement. We highly value our customers and appreciate their business and always will do whatever we can to ensure a positive experience with both our products and service.

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