SiSoftware Sandra (the System ANalyser, Diagnostic and Reporting Assistant) is an information & diagnostic utility. Sandra provides most of the information (including undocumented) you need to know about your hardware, software and other devices whether hardware or software. In order to test the hard drive, SiSoftware Sandra 2009 SP3 was used as part of the test suite. The graphical results that Sandra gives you after the test is completed nicely shows how drives perform over time and where on the drive the performance is seen.
READ Performance Testing:
WRITE Performance Testing:
Benchmark Results: The Western Digital Scorpio Black 320GB hard drive had solid results in Sandra 2009 SP3 and was found to have an average read score of 68.223MB/s with a write score of 59.072MB/s. The read access time was 14ms and the write access time was just 4ms.
Comparison Chart: The Scorpio Black 320GB performed slightly slower than the Seagate Momentus 7200.3 in the read and write tests, but did better than the 7200.3 in the Random Access tests.