Standards and Protocols IEEE 802.3i, IEEE 802.3u, IEEE 802.3x Interface 24 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: 3.53W (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 10Gbps Packet Forwarding Rate 3.57Mpps MAC Address Table 8K Buffer Memory 2MB Dimensions ( W x D x H ) 11.6*7.1*1.7 in. (294*180*44 mm)