Support 8 Ddr4 Ordinary/server Memory Modules, A Single Memory Module Supports Up To 32gb, And The Frequency Is Support 2133/2400/2800 Cpu Support: E5-2678v3..e5-2696v3..e5-2629v3..e5-2666v3..e5-2668v3 (not Included) Integrate 1 Realtek 8106e 100m Network Card/8111h Drym Network Card High Compatibility For A Higher Experience. This Product Uses High-quality Materials, Is Durable, Has A Long Service Life, And Is Firm And Stable In Use. Cpu Socket Type: Lga 2011 Chipset: For Intel X99 Hard Disk: 6 X Sata3.0 Interface, 1 X Sdd M.2 Interface (support Pcie Only), 1 X Sdd M1 Interface (support Pcie And Sata) Usb Interface: 4 X Usb20, 4 X Usb3.0 Disk Build/mouse: Support 1inch Ps/2 Button Mouse Interface Audio: 1 X F Audio Standard Audio Three-in-one High-fidelity Audio Interface Expansion Bus: 1 X Com Pin, 2 X Pcie 16x And 2pcie Interface Note: The Appearance And Color Of Different Batches Of Products May Be Different, Which Does Not Affect The Use Note: Random Color, Dont Accept The Specified Color. Size: 29