USB HUBSThis four-port hub and this seven-port hub are both USB 2.0 compliant, providing a full 480 Mbps data rate to the host, and are backward-compatible with USB 1.1 and 1.0 devices. Each includes a convenient wall-mount ac adapter that supplies a full 500 mA to each attached USB peripheral. Both hubs are housed in rugged plastic enclosures. The hubs are supported in Windows, Linux and other USB-aware operating systems.