4 bay nas memory capacity 24 tb max hard drives 4 hard drive type hdd hard drive mounting removable drive hard drive access front hard drive location vertical internal interface sata iii internal file system ext4 external file systems ext3 ext4 ntfs fat32 hfs raid levels 0 1 5 6 10 5hot spare jbod single disk networking gigabit 101001000 connections 1x audio out 2x hdmi 14a 4x rj 45 4x usb 30 position of connectivity ports 1x usb front