Supermicro MBD-X11SCA-F-B mainboard server Intel Core i3 Processors, 2 1GbE LAN ports, 1x COM ports, 4.1 PCI-E 3.0 x16, 1 PCI-E 3.0 x8 (in x16 slot), 1 PCI-E 3.0 x4, 1 PCI-E 3.0 x1, 2 PCI-Ex16 slots are running at NA/16, or 8/8 1 PCI, 1 - 5V PCI 32bi