SUPERMICRO X11SAT-F-O Supermicro X11SAT-F-O LGA1151 Intel C236 DDR4 SATA3 and USB3.1 A and V and 2GbE ATX Motherboard Number of Memory Slots: 4 PCI Express x16: 3 Onboard Video Chipset: AST2400 CPU Type: Xeon Core i7 Core i5 Core i3 FSB: 2.13 GHz 1.87 GHz 1.60 GHz Maximum Memory Supported: 64GB LAN Chipset: Intel Second LAN Chipset: Intel