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OCZ Vector 512GB SSD Review (Page 11)

By Chris Ramseyer from Dec 31, 2012 @ 4:01 CST
TweakTown Rating: 92%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.

ocz_vector_512gb_ssd_review_63

We're still working on wrapping our brains around why Vector scores so poorly in Vantage when half full. At this time we think we're kicking the drive into storage mode when blasting it with the fill data so quickly (4 transfers at the same time). We are currently running tests on a 128GB Vector with 70% of the user capacity filled in a daily use notebook and don't see the same performance drop as we do in our fill test.

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