Originally posted by Pommy:
The 640GB Black is slightly faster than the 1TB Black and the 500GB black, which is why I recommended it. You could get the 640 Black as the OS drive and then a huge 2TB Caviar Green storage drive or something if you're concerned about storage.
I am not sure if they fixed it with a firmware update, but there is something about the linux os that causes the Caviar Green HDs to park their heads excessively. This will cause the drive to wear itself out in half a year.
\(='_'=)/