MTTF should (and probably is) higher. Perhaps some other things like reallocated sectors count can be higher without affecting performance/stability much. But

MTTF should (and probably is) higher. Perhaps some other things like reallocated sectors count can be higher without affecting performance/stability much. But from what I've seen, the most important thing is the service agreement, i.e. having new disk ready the next day without any questions asked (or money spent for a new drive).