Features: brand new and high quality Supports Intel LGA2011-3 platform processors. emory Socket:4 x DDR4 memory socket,Maximum Memory Capacity 128G. Support Four channel DDR4 2400/2133/1866MHz. SATA Inderface:6 x SATA3.0 6Gb/s interface. Extended Inderface:2 x M.2 2280 NVME PCIE X4 3.0 32Gb/s;4 x USB2.0;2 x USB3.0;1 x network interface; 1 x 3-hole audio interface. Expansion Slots:1 x PCI Express 3.0 x16;1 x PCI Express 3.0 x4;1 x PCI Express 2.0 x1. Specifications: Model: HUANANZHI X99-QD4 Motherboard CPU Socket:Supports Intel LGA2011-3 platform processors Main chipset: shipped randomly emory Socket:4 x DDR4 memory socket,Maximum Memory Capacity 128G emory Standard:Support Four channel DDR4 2400/2133/1866MHz SATA Inderface:6 x SATA3.0 6Gb/s interface Extended Inderface:2 x M.2 2280 NVME PCIE X4 3.0 32Gb/s;4 x USB2.0;2 x USB3.0;1 x network interface; 1 x 3-hole audio interface Expansion Slots:1 x PCI Express 3.0 x16;1 x PCI Express 3.0 x4;1 x PCI Express 2.0 x1 Soud Track:Realtek High Definition Audio Network interface:Gigabit Ethernet Power interface:24pin+8pin Fan interface:2 x CPU_FAN + 1 x SYS_FAN PCB layer:6 layer PCB,6Phases power supply Dimension:245 x 190MM M-ATX CPU: Processor Series: Xeon E5 2666 V3 (10 cores/20 threads) Main frequency: 2.9GHz Socket type: LGA 2011-3 3rd level cache: 25MB Power consumption: 135W Memory: Type: NON-ECC RAM Frequency: DDR4 2400MHZ Capacity: 16G (2 x 8G) M.2 SSD SSD Model:HUANANZHI M.2 2280 SSD M.2 Capacity:256GB Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Package includes: 1PC x X99-QD4 Motherboard