10/100 switch

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The terms 10/100 switch, 10/100 hub and 10/100 card refer to network switches, hubs and network cards capable of connecting to 10Mbit/s (10BASE-T) and 100Mbit/s (100BASE-T) network devices on the same interface port, adjusting their speed automatically.

When 100Mbit/s Ethernet was introduced, early devices were limited to the higher speed. Today, automatic speed switching is a standard feature on even the cheapest hardware, and even triple-speed 1000/100/10Mbit/s ports are commonplace.