ST55HPMXU Storage Tower V with one HPM-XU installed. Comes with 5 standard 5 1/4" drive bays, a 320 watts power supply, 1 80x80mm cooling fan, and several SCSI-1 (Centronics 50-pin) punchouts on the rear panel for installation of various port multipliers or bridge boards. Van be configured as RAID0, RAID1, RAID3, RAID5, RAID10, JBOD, Clone Mode using built-in hardware RAID. For more information, click here