The A4Tech HUB-30 is a compact USB 3.0 hub designed to expand a single port into four high-speed connections. It supports transfer rates up to 5120 Mbps, allowing you to quickly move data between your computer and devices like hard drives, card readers, or flash drives. You can also use it to connect peripherals such as a mouse, keyboard, printer, or even a desktop fan. This hub features a distinctive circular design with a black finish, measuring 60 x 60 x 22 mm. It connects to your system via a 100 cm USB Type-A cable and includes a built-in LED indicator to show its status. For more power-hungry devices, a separate micro USB port is available for additional power input. It is compatible with Windows 7 through Windows 11, making it a practical tool for anyone needing more workspace connectivity.