USB Hubs

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USB Hubs

There is two types of Hubs.

Powered

These hubs use their own power cords. These do not require assistance from the power supply of the computer. The only disadvantage of this one is that you have a clutter of power cords in the back of your desk.

Self Powered

These hubs use the power supply of the computer. I do not recommend this type of hub. Some computers use lower end power supplies and the more devices connected to the computer that relies on the power supply, the less power the power supply can provide. Even some powerful power supplies can have that issue if there is numerous devices relying on it.

I have seen USB devices not work because they can't get enough power to run from the power supply.

When you purchase a hub, there is USB 1.1 and USB 2.0 hubs. If you are plugging a USB 2.0 hub into a system that is USB 1.1, you will be able to use the hub but it will only work at the USB 1.1 speed and not the USB 2.0. You will also get a message about the downgrade. That is not a problem. It just lets you know you won't get the full speed.

Also to get the 2.0 speed, all devices has to be 2.0 capable such as 2.0 USB controller on the motherboard or PCI card, a USB 2.0 cable, USB 2.0 Hub, and the device has to be USB 2.0. If any of them are 1.1, then they will work at 1.1 speed.

They are coming out with USB 3.0 and will probably have newer ones in the future.

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