HP J6073-80012 / J6073-60052 High Performance, plugs in one of the Extended Input/Output (EIO) Slots. for HP Laserjets, HP Color Laserjets, and HP Plotters, HP Designjets, and compatible models. HP Board only. Board and metal caster, as picture indicates. The hard drive is not included. You can put your own hard drive on this board. Part numbers / known to use this board: (use your own Hard Drive, HDD not included on this board) J6073-60022 High performance 20GB hard disk - Plugs in one of the Extended Input/Output (EIO) slots Laserjets / Color LaserJet printers. J6073-61021 Hd, eio 40g rohs high performance hard disk - plugs in one of the extended input/output (eio) slots J6073-61031 Hd, eio 40g rohs high performance hard disk - plugs in one of the extended input/output (eio) slots J6073-61041 Hdd, eio 40g rohs J6073-61051 Hd, eio 40g rohs high performance hard disk - plugs in one of the extended input/output (eio) slots J6073-61061 Hdd,eio smo kit rohs J6073-61071 Hdd,eio smo kit rohs J6073-61081 Unknown Part J6073-61091 120G kit, GPSC J6073-61141 Hdd eio 40g rohs J6073-61241 Hdd, eio 40g rohs J6073-61341 40G Kit GPSC J6073-61441 40G kit, GPSC J6073-69021 Hd, eio 40g rohs high performance hard disk - plugs in one of the extended input/output (eio) slots J6073-69031 Hd, eio hdd,eio smo kit rohs J6073A High performance 20GB hard disk - Plugs in one of the Extended Input/Output (EIO) slots J6073G High performance 20GB hard disk - Plugs in one of the Extended Input/Output (EIO) slots ***** Hard Drive not included with the board, Board ONLY - use your own Hard Drive*********