If you are using it as a file server why not get a used dual power supply server and 2 UPSs. I picked up an old Compaq Proliant server. put in a couple of used 75Gb drives (EMC pulls) and had a 150Gb raid 5 file server for about $300. Bob Dunphy -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.