Dell Optiplex GX790 Series Intel Q65 Socket LGA1155 Desktop Motherboard J3C2F 0J3C2F CN-0J3C2F.
Chipset: Intel Q65 Express
Socket: LGA1155
Max Supported Memory: 16GB
Number of Memory Slots: 4
Memory Type: DDR3 SDRAM
Input/Output Ports: 1x RJ45; 1x VGA; 1x Display Port; 1x Serial; 2x PS2; 2x Audio; 5x USB 2.0
Expansion Slots: 1x PCI Express x16; 1x PCI Express x4; 1x PCI Express x1; 1x PCI
Type: Desktop Motherboard