ATTO is one of the oldest hard drive benchmarks that is still used today. ATTO measures transfers across a specific volume length. It measures raw transfer rates for both reads and writes and places the data into graphs that you can easily interpret. The test was run with the default runs of 0.5kb through 8192kb transfer sizes with the total length being 256mb.
Benchmark Results: The Seagate Momentus 7200.2 200GB hard drive was able to reach 48MBps on both the read and write tests, but the Western Digital Scorpio Blue 500GB hard drive was able to reach 84MBps on the same test. With a 75% faster transfer rate the Western Digital Scorpio Blue 500GB hard drive is very impressive!
4MB Files Test Comparison Chart: The Seagate 7200.3 320GB hard drive had very impressive results compared to the other two drives it was benchmarked against. The Seagate 7200.3 320GB hard drive is the real deal as you have been able to find out from looking at the five benchmarks the drive was tested with.