Adopt ASMedia ASM1184E master control, high-speed and stable transmission. Support system: WIN7 WIN8 WIN10 WIN11 LINUX. Made of high-quality materials, , long service life, firm and stable in use. Strong compatibility and stable performance. Small and , it does not take up space and can be easily taken away. Main control chip: ASM1184E Product Type: Riser Card Output interface: USB3.0 interface (actually PCI-E1 X signal) Product size: 2280 Support system: WIN7 WIN8 WIN10 WIN11 LINUX Precautions: A: Please make sure that the motherboard is equipped with or without KEY-M M.2 slot, M.2 SATA cannot be used B: USB3.0 cannot be plugged into USB devices, only the matching USB graphics card extension cable can be connected C: M.2 slot must support 2280 size D: The main control is compatible, supports PCI-E2.0, and the speed is fast Colour:black Material:PCB Package Contents: 3 x Riser Card 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.