Removable hard disk system memory capacity 12 tb hard disc capacity installed 6 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 external mains adapter case freestanding weight 35 kg manufacturers guarantee 36 months