>> I still agree with Harry that cooling is a very important >> issue. > > Cooling is ALWAYS important. 10C = 50% lifespan (as a rule > of thumb) Not as much as it used to be: http://labs.google.com/papers/disk_failures.pdf See figures 4 and 5. If you keep drives cold (below 25C/77F), they fail at a much higher rate. Between 35-40C results in maximum drive life. - Zack