HP P3537-69011 - System processor board - Has two processor sockets, four DIMM slots, and six PCI slots Retail
HP D9190-69001 - Processor board - Has three processor slots on each side of the board and six VRM slots on one side (For PIII/700 processors only) Retail
HP D5028-69007 - System processor board mounted on tray - Has four processor board slots and eight PCI slots Retail
HP P4648-69029 - TC2100 System processor board - Has one processor socket, integrated 10/100Base-T LAN, five PCI slots, and three memory slots Retail
HP D7054-69004 - Processor carrier board - Has four processor slots - Processor Carrier Board - Has Four Processor Slots - Two Boards are Used - Mounts to Processor Baseboard Retail