This nets ST3108S Fast Ethernet Switch provides an easy way to expand your wired network with 8 10/100Mbps Auto-Negotiation RJ45 ports. All ports support Auto MDI/MDIX function; eliminating the need for crossover cables or uplink ports. Together with the plug-and-play & Green Power feature; it may ensure you a low-cost; easy-to-use; high-performance; seamless and standard upgrade to improve your old network to a 100Mbps network.