RN4PJ DELL MOTHERBOARD FOR DELL PRECISION 7920 TOWER WORKSTATION ( T7920 ) - SYSTEM BOARD ( 2 ) TWO FCLGA3647 CPU SOCKET P ( 24 ) TWENTY FOUR DIMM SLOTS
Amazon.com: Dell Motherboard for Genuine Optiplex 760 Desk Top (DT) Systems, P/N#: R239R, D517D, M859N : Electronics