What is Powered USB Hub?

Multi-port Powered usb hub

With the development of technology, laptops, smartphones and tablets get stronger functions with thinner designs. Then, the problem comes. With stronger functions and less USB ports, how to deal with shortage of USB port to get connected to devices? So we need a USB hub to solve it. But there are so many different hubs sold in the market, which one is better and useful? Let me introduce powered USB hub to you.

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Multi-port Powered usb hub

What is powered USB hub?

we know that A USB hub is a device that expands a single USB port into several so that there are more ports available to connect devices to a host system. There are two kinds of USB hub, with charger or without charger. A USB hub with a charger is called powered USB hub, which is more powerful and useful.

Why need a powered USB hub?

Powered USB hub can protect the high efficient operation of multi-port at the same time, which means you can connect as much device as you can include mobile hard disks. There is a limitation for electric current in USB. The upper limit of current in USB 2.0 is 500ma and the power consumption of a mobile hard disk is more than this. That means, if a mobile hard disk connects with a 4 port passive USB hub (USB hub without charger), it will operate hard because of shortage of power, and if there are other devices, such as USB flash disk and card reader, connected at the same time, the mobile hard disk will share less power and become more unstable. It will destroy your mobile hard disks. Also, the high power consumption devices like smartphone or USB fan apply the same theory as mobile hard disk.

7 port usb hub

Here are some tips to get a useful USB hub:

There should have some spaces between each USB port that is enough for USB device insert.
Choose the right size, either for desktop computer or laptop. Middle size sometime makes troubles in both ways.
Do not care about the tiny switch, which is always broken fast.

With variety of USB hubs sold, how to find a great one to meet your requirement is also a problem need to be concerned. Here, we found some nice EasyAcc USB hubs that may give you some ideas.

EasyAcc® SuperSpeed USB 2.0 7 Standard Port Hub

Price $18.99

Easyacc 7-ports powered usb hub for table using

EasyAcc Mutil-in-1 USB Charging Stand Smart Data Station

Price $25.99

EasyAcc Mutil-in-1 USB Charging Stand Smart Data Station

 

Extended Reading:
How to add an iMac usb port in the front?
Best Top 3 USB 3.0 Hub for MacBook Pro
What’s the difference between Hub and Router?
What is Hub

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