HP 54-30524-01 - SCSI backplane board - Supports two hot-swap SCSI low voltage differential (LVD) drives -2/3 BKP Retail
HP A6153-67004 - Hot-swap SCSI backplane - Has two SCA connectors for hot-swap hard drives and a connector for the front panel cable - Hot-swap SCSI backplane - Mounts on the back of the hot-swap bay - Has two SCA connectors for hot-swap hard drives Retail