TP-LINK TL-SG1024, Protocols IEEE 802.3i, IEEE 802.3u, IEEE 802.3ab , IEEE 802.3x, Interface 24 10/100/1000Mbps RJ45 Ports (Auto Negotiation/Auto MDI/MDIX), Power 100-240VAC, 50/60Hz, 19" Rack Mountable, Max Power Consumption 13.6W, Max Heat Dissipation 46.4BTU/h, Capacity 48Gbps, MAC Address Table 8K, Jumbo Frame 10KB. The TL-SG1024 24-Port Gigabit rack-mount switch provides an easy way to make the transition to Gigabit Ethernet. All 24 ports support auto MDI/MDIX, no need to worry about the cable type, simply plug and play.