Western Digital SiliconEdge Blue 256GB SSD Review

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Iometer is an I/O subsystem measurement and characterization tool for single and clustered systems. It was originally developed by the Intel Corporation and announced at the Intel Developers Forum (IDF) on February 17, 1998 – since then it got wide spread within the industry. Meanwhile Intel has discontinued work on Iometer and it was given to the Open Source Development Lab (OSDL). The project is now driven by an international group of individuals who are continuously improving, porting and extending the product.

Image Description

Iometer version 2006.07.27 was used for testing and while we tested a dozen different file sizes we will be looking at the ones that are important to Windows users. In the Microsoft Windows operating systems many of the transactions are done at 512B/4kB/8kB/32kB/128kB, with the vast majority at 4kB, then 128kB / 512B, then the rest. Very few Windows applications use transfers larger than 128kB. We began the test by filling the drive completely full of data first and then testing 100% random IOPs in a 4KB region. We set the queue depth to 32 for this test.

Random Read Performance in IOps

Iometer Read Test Results

Benchmark Results: IOMeter showed that the Western Digital SiliconEdge Blue 256GB SSD doesn’t do too well, but remember the WD drivers are optimized for typical client PC applications.


Random Write Performance in IOps

Iometer Write Test Results

Benchmark Results: The random write tests we performed pounded the Western Digital SiliconEdge Blue 256GB SSD into submission and made it beg for mercy, but it did better than the Toshiba HG2 256GB SSD!

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