Model:HUANANZHI Item Type: X79 DELUXE V7.1 Motherboard Mainboard Type: ATX Main Chip: X79 series Graphics Card Slot: 2*PCI-E 3.0 16X 1*PCI-E 1X 2*PCI-E 4X Integrated Video Card: NO Power Supply: 7 power supply PCB Layers:8 Ethernet: Gigabit CPU Type: LGA2011 (XEON E5 2620/2630/2640/2650/2660/2665/2670/2680/2690 C2 & V2) Memory Slot: 4*DDR3(4 channel) Memory Capacity Peak: 32Gx4 DDR3 Memory Speed: 1866/1600/1333 Memory type supported: non-ecc/reg ecc/ecc SATA Interface: SATA3.0x2 SATA2.0x4 USB Interface: USB3.0x6 USB2.0x10(including expansion) M.2 Interface: M.2 NVME.M.2 Wi-Fi Audio port:ALC892 7.1 channel Size: 305x220mm Quantity: 1 Pc