Patented cooling system/easy access handle.
Multiple storage options, 3.5"/2.5", half height HDD, MO, LS-120, ZIP.
Two LED indicators for "power on" (Green) & "HDD" (Red).
Options available for keylock/slide switch/IDE/SCSI/Wide SCSI.
Make sure that red LED indicator is off before removal.
Avoid uninterntional rmoval by locking the rack after installation.