4 bay nas memory capacity 8 tb number of installed hard drives 4 max hard drives 4 memory capacity per hard drive 2 tb hard drive form factors 25 35 inch hard drive type hdd hard drive mounting removable drive hard drive access front hard drive location horizontal internal interface sata iii raid levels 0 1 5 6 10 networking gigabit 101001000 connections 4x rj 45 1x usb 20 2x usb 30 number of user licenses 150 case rack mount processor