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240GB OCZ Vertex 450 Solid State Drive E-mail
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Written by Olin Coles   
Monday, 03 June 2013
Table of Contents: Page Index
240GB OCZ Vertex 450 Solid State Drive
OCZ Vertex 450 SSD
Features and Specifications
SSD Testing Methodology
AS-SSD Benchmark
ATTO Disk Benchmark
CrystalDiskMark 3.0 Tests
Iometer IOPS Performance
AIDA64 Disk Benchmark
PCMark Vantage HDD Tests
OCZ Vertex 450 Conclusion

CrystalDiskMark 3.0 Tests

CrystalDiskMark 3.0 is a file transfer and operational bandwidth benchmark tool from Crystal Dew World that offers performance transfer speed results using sequential, 512KB random, and 4KB random samples. For our test results chart below, the 4KB 32-Queue Depth read and write performance was measured using a 1000MB space. CrystalDiskMark requires that an active partition be set on the drive being tested, and all drives are formatted with NTFS on the Intel P67 chipset configured to use AHCI-mode. Benchmark Reviews uses CrystalDiskMark to illustrate operational IOPS performance with multiple threads. In addition to our other tests, this benchmark allows us to determine operational bandwidth under heavy load.

CrystalDiskMark uses compressed data, so sequential file transfer speeds are reported lower than with other tools using uncompressed data. For this reason, we will concentrate on the operational IOPS performance in this section.

CrystalDiskMark 3.0 reports sequential speeds reaching 480.9 MB/s reads and 492.8 MB/s writes. 512K test results reached 384.8 MB/s read and 467.7 MB/s write performance. 4K tests produced 22.65 read and 86.36 write performance. All CrystalDiskMark results produced by this 256GB OCZ Vertex 450 SSD were roughly equal to the previous-generation Vertex 4 series, but were not high enough to surpass OCZ's Vector solid state drive.

CDM-Benchmark-OCZ-Vertex-450.png

Maximum 4KB IOPS performance results at queue depth 32 are reported in the chart below. These values represent the performance levels for several enthusiast-level storage solutions, and illustrates which products offer the best operational performance under load:

CrystalDiskMark-4K_Results.png

In the next section, we continue our testing using Iometer to measure input/output performance...



 

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