Model: X99-8M-F Motherboard CPU Socket:Support Intele 2011-3 Processors Main chipset: H81/B85 shipped randomly, does not accept designation Memory Socket:2*DDR4 Memory Socke Memory Standard :Support Dual channels DDR4 2400/2133/1866 MHz Maximum Memory Capacity: 2*32GB (64 GB) SATA:4*SATA3.0 Interface Expansion Slots:IO: 1*PS/2 Mouse / keyboard interface, 2*USB3.0, 4 USB2.0, 1*Gigabit Ethernet Card, 3*3.5MMAudio interface;Expansion pin: 2*9pin USB2.0; 1*19pin USB3.0; 1 Front audio output pin Extended interface: 1*PCI Express3.0X16, 1*PCI ExpressX4, 1*PCI ExpressX1, 1*M.2 NVME Interface Soud Track:5.1 Sound Track. Network lnterface:Gigabit Ethernet Card Power interface:24pin+8pin Fan interface:3 PCB ayer :8 layer PCB, 6 Phases power supply Note:The platform needs powerful power. Please make sure your power supply is sufficient to support it(at least 500w power supply) . Different production batches, the accessories on the motherboard may be different from the pictures, which does not affect the use size:237x180MM Material:PCB+Plastic+Metal colour:black Package Contents: 1 * X99-8M-F Motherboard Only 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.