Standards and Protocols IEEE 802.3i, IEEE 802.3u, IEEE 802.3x Interface 48 x 10/100Mbps RJ45 Ports (Auto Negotiation/Auto MDI/MDIX) Fan Quantity Fanless Power Supply External Power Adapter(Output: 5.0VDC / 0.6A) Power Consumption Maximum: 9.9W (220V/50Hz) Mac Address Table 1K Network Media 10BASE-T: UTP category 3, 4, 5 cable (maximum 100m) 100BASE-TX: UTP category 5, 5e or above cable (maximum 100m) Switching Capacity 9.6 Gbps Packet Forwarding Rate 7.14 Mpps Buffer Memory 2MB Dimensions ( W x D x H ) 17.3*7.1*1.7 in. (440*180*44 mm)