The Sabrent 4-Port USB 3.0 Hub with Individual LED Power Switches is a convenient and versatile USB port card. This hub allows you to expand your computer's USB connectivity by adding four USB 3.0 ports. Each port has an individual power switch and LED indicator, allowing you to control and monitor the power status of each connected device. The hub supports data transfer rates of up to 5Gbps, ensuring fast and efficient file transfers. It is compatible with Windows, Mac, and Linux operating systems and is easy to install. With this USB hub, you can easily connect and manage multiple USB devices with ease.