Dell OptiPlex 7020 9020 MT Socket LGA 1150 DDR3 Motherboard 0N4YC8 N4YC8

 Brand: Dell 

P/N: 0N4YC8 N4YC8

Socket Type: LGA 1150

Memory Type: DDR3 

Number of Memory Slots: 4

I/O Ports: PS/2, Ethernet (RJ-45), 2x Displayport, 6x USB 2.0,  Serial (RS-232), VGA, AudioJacks

Expansion Slots: 2x PCI Express x16, PCI Express x1, PCI