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OCZ Vertex 2 E Series 120GB Solid State Drive Exclusive Review - Benchmarks - AS SSD

By: Chris Ramseyer | SSDs in Storage | Posted: May 24, 2010 7:18 am
TweakTown Rating: 94%Manufacturer: OCZ Technology

AS SSD Benchmark


Version and / or Patch Used: 1.2.3577.40358
Developer Homepage: Alex Intelligent Software
Product Homepage: Alex Intelligent Software
Download here:


AS determines the performance of Solid State Drives (SSD). The tool contains four synthetic as well as three practice tests. The synthetic tests are to determine the sequential and random read and write performance of the SSD. These tests are carried out without the use of the operating system caches.


In all synthetic tests the test file size is 1GB. AS can also determine the access time of the SSD, the access of which the drive is determined to read through the entire capacity of the SSD (Full Stroke). The write access test is only to be met with a 1 GB big test file. At the end of the tests three values for the read and write as well as the overall performance will be issued. In addition to the calculated values which are shown in MB/s, they are also represented in IO per seconds (IOPS).


Note: AS SSD is a great benchmark for many tests, but since Crystal Disk Mark covers a broader range of 4K tests and HD Tune Pro covering sequential speeds, we will only use the Copy Benchmark from AS SSD.


- Copy Benchmark




The only issue we've found to date with the SandForce drives has to do with handling compressed data. Since the controller compresses all of the data already to deliver higher performance when writing, data that is already compressed tends to write slower. The new Vertex 2 E 120GB does slow down in some of the tests, but by a very small margin.


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