My current system was running on 2 X 320GB SATA RAID 0, I would like to add 1 more Harddisk to backup my files, how to do that? Is it possible to run RAID and Non-RAID (normal SATA single drive) at the same time?

help.

Thanks.
ekang

Yeah you can, read following link
Mixing Raid and non Raid drives - Tech Support Forum (http://www.techsupportforum.com/hardware-support/hard-drive-support/418899-mixing-raid-non-raid-drives.html)