Standards and Protocols IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab , IEEE 802.3x Interface 48 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 2 Power Consumption Maximum: 29.8W (220V/50Hz) Jumbo Frame 10KB Switching Capacity 96 Gbps Packet Forwarding Rate 74.4 Mpps Buffer Memory 16 MB Dimensions ( W x D x H ) 17.32*8.7*1.73 in.(440*220*44 mm)