Features: 1.[Four Rear USB3.0]: The desktop computer motherboard has rear 4 USB3.0 interface and gigabit network card dual indicator light design, more stable and fast. 2.[DDR4 Quad Channel Memory]: The computer mainboard supports both normal memory and ECC server memory, but cannot be mixed at the same time. 3.[NVME PCIE X4 Channels]: The computer motherboard is equipped with an M.2 high speed hard disk, and the 2280 theoretical bandwidth can up to 4GB/S. 4.[7 Phase Power Supply]: The DDR4 mainboard runs more stable, with modular large heat dissipation power supply design, has low temperature and high efficiency. 5.[NIC Module Interface]: The desktop computer motherboard has NIC module interface, which can be installed directly using the same card module of the laptop. specification:Item Type: Computer Motherboard Material: PCB Motherboard Chip: Integrated Chip Sound Card or Network Card Main Chipset for Intel X99 Series Network Card Chip Integrated Gigabit Network Card Sound Chip Integrated 6 Channel Sound Chip Processor : CPU Platform for Intel CPU Slot LGA 2011 3 Supported 1 CPU Number Support CPU Types E5 V3/V4, i7-58xx or 68xx Series Memory : Memory Type DDR4 2666/2400/2133 MHZ DIMM Slot 4 x DDR4 DIMMs Peak 128 GB Expansion Slot: 2 x PCI E X16 Graphics Card Slot 3 x PCI E X1 USB3.0 Pin (1 set) USB2.0 Pin (1 set) WIFI Module Interface (1 set) 8 x SATA3.0 Port 1 x M.2 Port (with PCIE, SATA jumper conversion) I/O Interface: PS/2 Ports PS/2 Keyboard and Mouse Universal Interface 1 x RJ45 Network Port 4 x USB 3.0 Port 4 x USB 2.0 port Sound Interface Other Parameters: One 8 Pin Power Socket, One 24 Pin Power Socket Power Supply Mode 7 Phases, 1 x Buzzer Battery Type: Button Battery Battery Model: CR2032L Battery Capacity: 240mAh (included) PackageList:1 x ComputerMotherboard 1 x Baffle 1 x SATA Cable 1 x User Manual