IDE ATA66/ATA100/ATA133 Power Control,Hot Swap Metal covers, Support 7200rpm HDD Support ZIP & MO Auto handle actuated Option:Master/slave SW Easy Data increase/Backup/Data Sharing For: 1.0/1.65"(H), 3.5"HDD LED X 2 (Power x 1 ,HDD Access x 1) Metal bottom & upper covers Auto handle actuated Front fanx1 + Rear fan x 1 For HDD,ZIP,MO Power control, Keylock