1. Support Xeon E5 LGA2011-3 series processors 2. Support 4 SATA interfaces 3. Support 2133MHZ/2400MHZ/2666MHZ, maximum capacity 128G memory 4. Support 5.1 channel ALC662 chip 5. Support 1 serial port 6. 4 USB 3.0, 6 USB 2.0 7. Support 3 PCIE interfaces: 1*X16, 2*X1 PCIE 8. RJ45 Gigabit network card interface 9. Support 6-phase power supply 10. Support Win7 and Win10 32/64 bit operating Product name: computer motherboard Model: X99 Chipset: B85 Chipset series (SR178) Processor: for Xeon E5 LGA2011-3 series processor Memory: Technology: four channel DDR4 2133MHZ/2400MHZ/2666MHZ Maximum capacity: 128GB Memory slot: 4 * 240 PIN DDR4/ECC Post I/O: PS/2: 1 * KB interface and 1 interface USB interface: 2 * USB3.0; 4*USB2.0 Ethernet: 1 * Realtek Gigabit network card Audio:1*(Mic-in, Line-out,Line-in) Internal connectors: USB 2.0: 2 * (one FUSB can be connected to two USB 2.0 interfaces); USB 3.0:2 * (one FUSB can be connected to two USB 3.0 interfaces); Serial port: 1 PCIe:3*(1*PCIe x16,2*PCIe x1) M.2:1*PCIe M.2,1*SATA M.2 ATXPWR interface: 1 * standard 1x8PIN power socket; 1 * Standard 1x24PIN power socket Audio: 1 * 2x5Pin pin Product size: 185 x 236mm Colour:black :PCB Different batches of production, there will be some differences in appearance color, which is subject to the real thing and does not affect the use. Package Contents: 1 x X99 computer motherboard 1 x Baffle 1 x SATA cable 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.