How fast are my disks really? Disk Bench will test your hard drive speed in a real life situation not in a benchmarking environment.
All it does is copies a file from A to B, times the time it took, and deletes the file from B again.
The other way to benchmark is to choose Create File. This way it just creates a file (consisting of a repeated 128 byte string). So if you only have one harddisk, this is the optimal test for you
