HP D8280-63000 - Duplexing backplane - Attaches to `hot swap` bay backplane to split 6 bay `hot swap` cage into two 3 bay units with separate connectors - Duplexing Backplane - Attaches to Hot Swap Bay Backplane to Split 6 Bay Hot Swap Cage into Two 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
HP P2553-69003 - SCSI backplane (hot-swap) - Has five SCA SCSI connectors for five hot-swap SCSI drives Retail
