The 4big Rack Office is a 1U sized disk drive enclosure, housing up to four 3.5-inch form factor 3.0 Gb/s SATA (up to 7200 rpm) drives. Each individual disk drive is swappable and field replaceable, with drive numbers labeled on the casing, the cables, and the drives themselves.
For details on LED Behavior, see System LED.
The 4big Rack Office has six USB 2.0 ports, which lets you connect external hard drives or any other USB devices, keyboard, and a mouse.
You can connect any USB keyboard, mouse, or USB 2.0 mass storage device, as long as it is formatted in one of the following file systems: NTFS, FAT32, FAT16, EXFAT, MBR, and GPT. Storage devices with a format not listed here will not be recognized by the 4big. No capacity limitations apply.