Didn't switch it off since I got it about a month ago, only restarts every 2 days.
Works great, 1 have 1 CD-RW, 1 CD-Rom, 2 HD running RAID, 1 HD running backup, 3 case fans, Epox 8KHA mobo, 2 sets of CC lights.
running at average of 2.45V, 3.23V, 4.95V, 11.48V