ASUS 5-Port 10/100/1000Mbps Desktop Switch with Green Network (GX-D1051/V3) Easy Setup: No software needed for configuration-which makes installations easier and faster. Top Priority VIP port: Built-in VIP Ports facilitate lag-free VoIP transmissions by prioritizing voice data traffic Green Network (802.3az EEE): Embedded energy conservation through link down standby mode, save up to 60% power consumption.