USB 1.1 is capable of data transfer speeds up to 12 megabits per second (mbps), while USB 2.0 can transfer data at 480 mbps, 40x faster. Each subsequent generation operates at a speed faster than the previous. When linked up correctly, some hubs can support up to 127 devices.Īnother feature to look for what generation of USB the hub can use. A hub is also great for laptops with only one or two ports.
Once the hub is plugged in, the user can set it wherever is convenient, avoiding the hassle of accessing the rear of the system. It is commonly connected to a USB port located on the back of a desktop computer using an extension cable. USB hubs are useful for plugging in multiple devices to a computer.Ī USB hub is a small, light unit with multiple ports for plugging in USB devices.
Even so, additional ports are often needed, and having them conveniently accessible makes all the difference. Newer computers typically feature several built-in ports, and many cases now place two or more of them in front. Early computers featuring USB normally had only one or two ports located at the back of the case. It seems nearly every electronic gadget manufactured today makes use of the ever-handy USB port.