Standards and Protocols IEEE 802.3i/802.3u/ 802.3ab/802.3x Interface 8 x 10/100/1000Mbps RJ45 Ports AUTO Negotiation/AUTO MDI/MDIX Fan Quantity Fanless Power Supply External Power Adapter(Output: 5.0VDC / 0.6A) Power Consumption Maximum: 4.63W (220V/50Hz) Jumbo Frame 15KB Switching Capacity 16 Gbps Dimensions ( W x D x H ) 7.1 * 3.5 * 1.0 in. (180 * 90 * 25.5 mm)