D-Link Systems, Inc. DHP-541 PowerLine AV 500 4-Port Gigabit Switch Kit Uses your buildings existing wiring to create a wall-to-wall home network. Connect up to 4 Ethernet-enabled devices High bandwidth Gigabit ports for performance devices Up to 500 Mbps data transfer rates for HD video, gaming and Skype calls on multiple devices at the same time. QoS Traffic Optimization Technology to prioritize high bandwidth traffic