Tp-link TL-SF1024, Port-24, Protocols IEEE 802.3i, IEEE 802.3u, IEEE 802.3x, Interface 24 10/100Mbps RJ45 Ports (Auto Negotiation/Auto MDI/MDIX), Power 100-240VAC, 50/60Hz, Rack Mountable, Max Power Consumption 3.19W(220V/50Hz), Max Heat Dissipation 10.88BTU/h, Capacity 4.8Gbps, Forwarding Rate 3.57Mpps, O/S Microsoft Windows 7, 8, Vista, XP or MAC OS, NetWare, UNIX or Linux. The 24-Port 10/100Mbps Rackmount Switch TL-SF1024 provides you with a high-performance, low-cost, easy-to-use, seamless and standard upgrade to improve old network to 100Mbps network.