DDR4 memory slot x 8 supports 256G memory capacity, whether it is large-scale modeling or multi-opening games, it can meet your requirements.Full-speed M2 hard disk interface M2 NVME supports 32GB/s data transfer speed, and M.2 WIFI interface is specially designed for gamers.Self-contained digital diagnostic card comes with digital diagnostic function, which can automatically detect hardware equipment when booting to ensure stable operation of the equipment.Supporting LGA2011 V3/V4 series allows players to have more choices, better experience and higher cost performance. Support graphics card crossfire provides 3 PCIE expansion slots, these channels can be split into X16/X8 configuration, fully loaded graphics card.SATA3.0 x 8 high-speed interface, fast boot without waiting, strong compatibility, upgraded version of SATA2.0, get better reading speed.Motherboard model: X99-D8IThe number of motherboard memory slots: DDR4 x 8Board Type: ATXMemory capacity: 256GMotherboard size: 302MM x 244MMSATA interface: SATA 3.0 x 8, 2 x M.2 NVME interfaceGraphics card slot: Pcie16X x 3Network card: Gigabit adaptive network card x 1PS2 interface: Ps/2 mouse and keyboard interfaceSound card: support 8 channelsPower interface: 8-pin x 1, 24-pin x 1CPU socket: support LGA2011-3 V3/V4USB interface: USB3.0 x 6, USB2.0 x 6PCB thickness: 8 layersExpansion interface: PCIE1X x 2, M.2 WIFI interface x 1Colour: BlackMaterial: PCBPackage Contents:1 x x99-D8I Motherboard1 x E5 2670 V3 CPUOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.