GIGABYTE Network Device GA-7N400 - Manual (Page 17)

Something similar to the following window should appear:
14. While Capacity can not be changed, make sure that File System has NTFS selected, don’t
change Default Allocation Size, and since it is the Striped Set that is being formatted, enter
Striped Set for Volume Label. Make sure that Quick Format is selected as the Format Option.
15. Repeat this procedure for the other two disks, but name them something else.
16. Close Disk Administrator and open My Computer (icon should be on Desktop).
17. The new disks should now appear in My Computer window.
18. Close all windows and applications and Restart computer.
SATA RAID Function 14