Standards and Protocols IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab , IEEE 802.3x Interface 24 x 10/100/1000Mbps RJ45 Ports (Auto Negotiation/Auto MDI/MDIX) Network Media 10BASE-T: UTP category 3, 4, 5 cable (maximum 100m) 100BASE-TX/1000BASE-T: UTP category 5, 5e or above cable (maximum 100m) Fan Quantity Fanless Power Supply External Power Adapter(Output: 5.0VDC / 0.6A) Power Consumption Maximum: 13.1W (220V/50Hz) Jumbo Frame 10KB Switching Capacity 48 Gbps Packet Forwarding Rate 35.7Mpps Dimensions ( W x D x H ) 11.6*7.1*1.7 in. (294*180*44 mm)