D-Link High Speed USB 2.0 7-Port Hub Designed to provide quick and easy access, the DUB-H7 offers seven USB downstream ports for connecting USB peripherals, devices, or other USB hubs. A single upstream port connects the DUB-H7 to the host computer or another USB hub, enabling up to 127 devices to be connected by cascading multiple hubs. Configured directly by the operating system, the DUB-H7 operates seamlessly with both Microsoft Windows and Apple Macintosh operating systems. Compatible with: D-Link: USB 2.0;