Compatible with all Windows(R) & Mac(R) systems ; 10/100 auto-sensing ports automatically detect optimal network speeds ; Green Ethernet power-saving technology deactivates unused ports; Supports any combination of 10Mbps or 100Mbps network devices ; Ultracompact design ; Fanless design ideal for silent operation ; Store & forward-switching architecture; Plug & play; 3-year warranty; 5 ports;