The Lindy 4 Port USB 2.0 Hub allows the user to connect 4 additional peripherals to a USB Type A equipped computer. Capable of data transfer speeds of up to 480Mbps, the hub is also backwards compatible with USB 1.1 and 1.0.The hub is powered by the USB Bus, while a DC jack is available to connect an external power supply if multiple devices with high power requirements are connected.With 'Plug and Play' installation, no drivers are required, therefore this hub can be installed with minimum difficulty, ideal for both professional and first time users.