Intel 4th Generation Intel Core Processors, CPU Socket - LGA 1150, Chipset - Intel H81 Chipset Graphics Interface - 1 x PCI-E 2.0 x16 Slot, Display Interface - D-SUB, Memory Type - 2 Channel DDR3Ecpansion Slots - 1 x PCIE x1 Slot, Sata Connectors 2xSATA3 = 2xSATA2 USB PORTS - 2XSATA 3.0 + 6XUSB 2.0, AUDIO / LAN -8-Channel HD / GbE LAN Form Factor (mm) - Micro ATX (190x170)Brand Gigabyte Item Weight 608 g Product Dimensions 26.8 x 23.6 x 5 cm Item model number GA-H81M-S