December 6, 201015 yr http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3612224 $20 Off - Enter Code OYA14464 At Checkout Use Google Checkout to get $5 off. INFO on UPS Selection: One issue we face is that in a power-down situation we MUST be able to size the UPS for the peak demand of the server when initially spinning up all its drives at the same time. To shut down the server, all the disks must be cleanly un-mounted. That requires spinning them all up. The UPS must be able to handle the peak load of initially spinning the all drives up, all at the same time, not just the average load with them all spinning. I have a APC Back-UPS 750VA UPS on my older unRAID server. It is barely able to handle spinning up the 14 disks mounted in it. (all older non-green disks) It "beeps" telling me it is overloaded for a second or two if I loose power. It is only able to provide an estimated 7 minutes of run-time. It is "rated" at a nominal load of 450 Watts and with all its disks spinning during a parity check it is at 53% of its capacity. Joe L. You can go with one of these estimators... http://lime-technology.com/forum/index.php?topic=6695.msg64801#msg64801 (Also read that thread for approximate sizing and estimated time based on watts. ) or the APC configurator http://www.apc.com/tools/ups_selector/index.cfm
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