Specifications Mfr Part Number: X11SSI-LN4F-B CPU: LGA1151 Supports Intel Xeon E3-1200 v5 Processor Supports 6th Generation Intel Core i3/ Pentium/ Celeron Processors Support up to 80W TDP Chipset: Intel C236 Memory: 4x 288pin DDR4-2133/ 1866/ 1600 DIMM Slots, ECC, Unbuffered, Max Capacity of 64GB Slots: 1x PCI-Express 3.0 x16 Slot, 2x PCI-Express 3.0 x8 Slots (one runs at x4) SATA: 6x SATA3 Ports, Support RAID 0, 1, 5, 10 Video: ASPEED AST2400 BMC Graphics LAN: 4x Intel I210-AT Gigabit Ethernet Controllers Ports: 5x USB 3.0 Ports (2 rear, 2 via header, 1 Type A), 6x USB 2.0 Ports (2 rear, 4 via headers), 1x VGA Port, 2x Serial Ports (1 rear, 1 header), 4x RJ45 Gigabit Ethernet LAN Ports, 1x RJ45 Dedicated IPMI LAN Port Form Factor: ATX, 12.0 x 9.6 inch / 30.5 x 24.4 cm RoHS Compliant