10/100BASE-TX and 1000BASE-SX switching in a compact 1U package. The 3Com SuperStack 3 Switch 3300 SM switch lets you connect Ethernet/Fast Ethernet switches, Fast Ethernet hubs, and Gigabit Ethernet devices in a truly stackable solution. Part of 3Com's family of fixed-configuration, stackable SuperStack 3 Switch 3300s. The switch provides 24 switched autosensing 10/100BASE-TX Fast Ethernet ports for higher-density networking, and a 1000BASE-SX Gigabit Ethernet port. Mix and match any SuperStack II Switch 1100 or SuperStack 3 Switch 3300 switches in one stack. Or stack them together using a matrix cable for two units. For three or four units, use the matrix module (installed in a SuperStack II Switch 1100 or SuperStack 3 Switch 3300) or the SuperStack 3 Switch 3300 MM.