The CRI Inc. 9270-241-15 removable drive tray features a cooling fan for cooling fast drives. Additionally the tray features an aluminum lower tray and rail, for superior heat dispersion. The tray is compatible with drives that are 7200RPM or slower, and up to ATA-133. Tray comes with a locking system for securing the drive to the system it is attached to. The tray Includes two keys, and mounting screws. The tray comes new in OEM packaging.