Dell Optiplex 780 Series Intel LGA775 Socket Ultra Small Form Factor Desktop Motherboard DFRFW 0DFRFW CN-0DFRFW.
Socket: LGA 775/Socket T
Number of Memory Slots: 2
Memory Type: DDR3 SDRAM
Input/Output Ports: 1x Ethernet RJ45, 5x USB, 1x Serial, 1x VGA, 1x DisplayPort, 1x eSATA, 2x Audio