HP P2553-69003 - SCSI backplane (hot-swap) - Has five SCA SCSI connectors for five hot-swap SCSI drives Retail
HP P3537-63005 - Hot-swap hard drive cage SCSI cable - Twisted pair SCSI cable with one connector at each end Retail
HP P3505-63001 - SCSI backplane (non hot-swap) - Has five 68-pin SCSI connectors with four power connectors and five SCA SCSI connectors on the other side Retail
HP D8520-63026 - Ultra Wide SCSI ribbon cable with twisted pair segments - One 68-pin (M) connector marked `to SYS BD to H/SWAP` and one 68-pin (M) connector marked `to HOT SWAP` - 1.1m (3.5ft) long Retail
