Features: brand new and high quality Supports Intel LGA2011-3 platform processors. Ｍemory 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 Ｍemory Socket：4 x DDR4 memory socket，Maximum Memory Capacity 128G Ｍemory 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 Package Includes: 1PC x X99-QD4 Motherboard 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.