Model: KF-21-IPF-B For standard 5.25" drive bay. Single rear fan ball bearing. Easy transport and secure valuable data. For standard 1" height, 3.5" H.D.D. Auto push-pull handle design. Compatible w/ KF-21-IT-B Dust & wear resistant auto shutter. Supports ATA MO, ZIP, LS120, tape drive, and flash reader. All aluminum-alloy frame and tray ensure fastest cooling effects. LED indicate the power & working state of H.D.D. Supports all brands of 3.5" of IDE ATA33/66/100/133 H.D.D. Compatible with all type of PC cases. Metal power keylock