DDR4*2 and DDR3*2: Support 64G memory capacity, which greatly improves the performance of the motherboard. USB 3.0 interface: plug and play, immediately experience the data speed, which is 10 faster than USB 2.0. Full-speed M.2 interface: M.2 NVWE supports 32GB/s data speed, and M.2 WIFI interface is specially designed for gamers. has one PCI-E X16 graphics slot, two PCI-E X1 graphics slots and four SATA 3.0. Support LGA2011-3 pin CPU: let players have more choices, better experience and higher cost performance. CPU socket: LGA2011-3 pin Install D3 memory support processors: E5 2678 V3 / E5 2696 V3 / E5 2629 V3 / E5 2649 V3 / E5 2676 V3 / E5 2673 V3 Install D4 memory support processor: support 2011-3 pin full series The motherboard supports DDR4 and DDR3, onboard M.2 high-speed interface, 64G memory capacity and LGA2011-3pin CPU. Power supply/PCB: 6-phase power/8-layer PCB USB interface: USB2.0*5, USB3.0*3 SATA interface: SATA3.0*4 Memory support: DDR3*2 (maximum support 64G, 32*2), DDR4*2 (maximum support 64G, 32*2) Graphics slot: 1*PCI-E X16, 2*PCI-E X1 Onboard: 2*M.2 interface, 1*WIFI interface note: The appearance of the product in different batches may be different, it does not affect the use Colour:black Material:PCB Size: 21.5 x 18.7cm Package Contents: 1 x Motherboard 1 x E5 2666 V3 CPU 1 x DDR4 4GB 2133Mhz RAM(the appearance and color are random, ' accept the specified ) 1 x Thermal Pad(the appearance and color are random, ' accept the specified ) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.