Out With ATX, In With Gigabyte's CB91 BTX

Hard Disk Enclosure

A single 3.5" hard disk drive may be mounted from the side.

The CB91 can house two 3.5" drives or hard disks. One slot extends vertically to the left of the 5.25" drive bays. The second slot is adjacent to the optical drive.

A second hard disk can be mounted under the optical drive.