Removable hard disk system power supply mains dimensions 109 x 148 x 216 mm features built in thunderbolt cable integrated usb cable led indicator light onoff switch memory capacity 16 tb hard disc capacity installed 8 tb max capacity 16 tb number of installed hard drives 2 max hard drives 2 hard drive types hdd hot swap drive bay 35 inches external interfaces 2x thunderbolt 2 usb 30 colours black silver raid levels 0 1 jbod power supply ext