Desktop Motherboard,Built-in Rear 2 x USB3.0/Gigabit LAN Card X79,DDR3 Four-channel Memory,with SATA Cable(Socket) Power supply design, low temperature and high efficiency, multi-phase sharing, more stable Rear 2 x USB3.0/Gigabit LAN cards, enhanced front and rear 2 + 2 USB3.0 interface design 7 + 7 phase, modular and large heat dissipation Specification: Item Type: Desktop MotherboardMotherboard Chip: Integrated sound card / network card Main chipset for Intel X79 series Audio chip integrated 7.1-channel audio chip Network card chip integrated RTL8111H Gigabit network card Processor Specifications: CPU socket LGA 2011 x 2 CPU Type for Xeon series (CPU supports the same model combination, different with the same number of cores, and does not support different core numbers) Memory Specifications: Memory type DDR3 1866/1600/1333MHz Memory Slot: 4 x DDR3 DIMM Memory capacity up to 4 x 32G Expansion Slot: 2 x PCI-E x 16 graphics slot 2 x PCI-E x 1 slot 6 x USB2.0 slots (3 groups) 2 x SATA3.0 interface 4 x SATA2.0 interface 1 x M.2 PCIE NVME high-speed hard disk interface (full speed) I / O Interface: PS / 2 interface PS / 2 keyboard and mouse universal interface 1 x RJ45 network interface 6 x USB2.0 interface 2 x USB3.0 interface 5.1-channel audio interface Other Parameters: Two 8-pin power sockets and one 24-pin power socket Power Supply Mode: 7 + 7 items Power Supply: battery x 1 (CR2032) Package List: 1 xDesktop Motherboard 1 xBaffle 1 x SATA Cable