Features: PCIe switching function: Support PCIe interfaces to provide data transmission efficiency. Desktop host application: Specially for desktop host computer, easy to install and use. Transmission: PCIe interfaces is used to realize fast data transmission and improve systems performances. Strong stability: Stable connection ensures safe data transmission. Simple installation: Simple and easy-to-use installation methods, suitable for different levels of user operational. Specifications: Component:Plastic Size:Approx.14x12cm/5.51x4.72inch Package Includes: 1Pc Expansion Card note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.