Depending on the model, up to eight 3. Optional USB 3. Connect to system via superspeed USB 3. Connect to system via two USB 2. Install up to eight 3. Install up to four 2. Drives can be configured in two 4-drive RAID groups. Depending on the model, up to fifteen 3. Depending on the model, up to three 3. Raid 4 Diagram – hairstyle Each model comes with Addonics CDC4HESU Cipher RAID Tower needed for connecting to the computer.[…]