Support 8 DDR4 ordinary/server memory modules, a single memory module supports up to 32GB, and the frequency is support 2133/2400/2800CPU support: E5-2678V3..E5-2696V3..E5-2629V3..E5-2666V3..E5-2668V3 (not included)Integrate 1 REALTEK 8106E 100M network card/8111H dryM network cardThis product uses high-quality materials, is durable, has a long service life, and is firm and stable in use.CPU socket type: LGA 2011Chipset: For Intel X99Hard 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 USB3.0Disk build/mouse: support 1inch PS/2 button mouse interfaceAUDIO: 1 x F AUDIO standard audio three-in-one high-fidelity audio interfaceExpansion bus: 1 x COM pin, 2 x PCIE 16X and 2PCIE interfaceNote: The appearance and color of different batches of products may be different, which does not affect the useNote: Random color, don't accept the specified color.size: 290MM x 280MMMaterial: PCBcolour: blackPackage Contents:1 x Motherboard1 x SATA Cable(random color and appearance)1 x Switch Cable(random color)1 x Baffle(random color and appearance)1 x Thermal Grease(random color and appearance)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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.