HP 123476-001 - Drive cage assembly (Opal color) - Supports up to 14 Ultra drives - Includes backplane PC board Retail
HP 190017-001 - 4-bay hard drive cage assembly - For Wide Ultra2/Ultra3 SCSI hard drives - Includes the cage structure and backplane board assembly Retail
HP 123476-003 - Drive cage assembly (Opal color) - Supports up to 14 Ultra drives - Includes backplane PC board Retail
HP 165707-001 - Chassis assembly (rack version) - Includes chassis with front plate - Does not include drive cage or cover Retail
