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 | Provides 4 USB 2.0 High Speed ports | Supports data transfer rates up to 480 Mbps | Compatible with all USB Type A equipped computers | USB bus-powered with DC socket for external power supply | 2 year warranty