Support dula M.2 NVME, 8 ports SATA2.0 interface All solid capacitors, fine workmanship, professional stability High compatibility for a higher experience The power socket has 2*8-pin,1*24-pin power plug Support four channels DDR4 2133/2400/2800MHz, maximum memory capacity 256G(32G*8) Type name:X99 DDR4 Dual Motherboard Chipset: for X99 CPU series: for series CPU pin: LGA2011-3 Slot Memory slot: DDR4*8 four channels, support 2133/2400/2800MHz frequency memory, maximum support 256G (desktop universal memory/ECC memory) Storage interface: SATA2.0 *8, M.2 NVME protocol interface *2 Expansion interface: 3*PCI x16, 2*PCI x1 slot Onboard network card: 2*100Mbps network Ports Power interface: 24pin+8pin PCB layers: 8-layer PCB,12-phase power supply Motherboard specification: E-ATX Colour: black Material: PCB+metal Size: 33x31cm Note: The appearance and color of different batches of products may be different, which does not affect the use Package Contents: 1 x Motherboard 2 x DDR4 4GB 2133Mhz RAM(the appearance and color are random, 't accept the specified ) 1 x Switch Cable(the appearance and color are random, 't 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.