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The USB hub has its own power.
Some devices use the power from the USB hub and some need more power then they can obtain from the hub.
So to answer the original question -is a power hub better-
There is no difference over is one better, one device just needs more power then the hub carries so it has to have its own power source.
What else can I help you with?
When is a powered USB hub necessary?
A powered USB hub is needed if you have a lot of items to be plugged in and charging. iPods seems to need a powered hub to have enough current to charge fully.
What is a self powered USB hub?
A USB hub that runs on the power provided though the USB cable (rather than a USB hub powered by an external electrical supply).
Can you plug a non powered USB hub into a powered USB hub?
Yes. A USB port is supposed to provide a specific amount of power for USB devices. A non-powered hub does not provide the proper power, but is still useful for USB devices that provide their own power (some printers, some cameras), or those that need very little like thumb drives.
How do you charge a Sansa e250 you just got one?
One way is to plug it into the computer via the USB cable. That will charge the battery. But if you plug the USB cable into a USB hub, you will need a powered USB hub to charge the battery. A powered USB hub will have a power adaptor that plugs into the wall. Bypassing the hub and plugging it directly into the computer should always work if the computer is powered up. Also there are some USB chargers that you can plug it into. These accept a USB connection but only supply power. Any USB charger should work, USB is a standard.
What is an expansion hub?
An expansion hub is a powered hub that is 2.0 and USB. It simply allows you to connect to devices that you were not able to connect to with a regular hub.
What is expansion hub?
An expansion hub is a powered hub that is 2.0 and USB. It simply allows you to connect to devices that you were not able to connect to with a regular hub.
How do you use the word usb hub in a sentence?
apple laptops really need a USB hub. USB hub makes your life easier!
How do you charge and ipod nano 4gb?
Connect it directly to your computer or a powered hub with the supplied USB cable.
Do you need a USB PCMCIA and a USB 2.0 hub if you want to connect an external hard drive to a laptop?
If one's laptop already has a USB port, a USB 2.0 PCMCIA card and hub are not necessary, as all USB devices can work in any USB port albeit sometimes at a lower speed . However, for maximum speed, if USB 2.0 is not available on the laptop, the USB 2.0 PCMCIA Card can be installed. All you need is a hub and that's assuming that you don't have a spare USB port on your system. If all your USB ports are used, simply attach 1 or more items to the new hub and attach the hub to the resultant free port. I recommend that you choose a hub with 4 or more ports - to allow for future upgrades or additions. Hope this helps. Canis I would recommend a powered hub if you are connecting to a laptop. The buss voltage drops off with multiple items plugged into a laptop.
How do you add more space on a USB?
If you are in need of more USB ports, you need to get a USB Hub. A USB Hub acts like a splitter - you connect it to one port, and the port itself allows you to connect several devices to it, rather than directly to the USB port on the PC.
What is the average price for a powered USB hub?
If you take your search for a new USB hub to amazon you can find one for a low price of 25 dollars. You save 29 percent, or 9.99 on average. It also has free shipping available.
Will I need more USB ports to set up my hub?
You should always have additional USB just case you will have a problem with a USB hub that you are unable to repair and you are on a emergency deadline with a project.
