PC Board

HPE Mass storage backplane - Has four SCA SCSI connectors for hot-swap drives - Mounts in the back of the hard drive cage

HPE Chassis fan backplane board

HPE System board

HPE Clock card - Attaches to the system board

HPE Core box (service processor) - Has slots for a DVD-ROM and DDS drive

HPE Memory sub-board with 16 DIMM slots - Mounts on the cell board