Would a powered usb hub power 3 hard drive at one time?

Hi, my macbook pro only has two usb ports and i need to hook up 3 hard drive for editing. i tryed a non-powered usb hub and it didnt work do you think a powered usb hub would work? im looking at this one. http://www.amazon.com/gp/product/B005C32...

i also have a pogoplug i want to use this usb hub with would it work for that two?

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Which hard drives are you using now, and which do you plan on adding to your setup?

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Right now i'm using one owc 500gb sata hard drive and one smaller 6gb apple pata hard drive i plan on getting another 500gb hard drive. But all i know is i need something that will power these i tried to use a 4 port non-powered usb hub but it shut both of them down so could you help me find the right one? i would also like to use the usb hub for my pogoplug Thanks

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Do any of your HD's offer a DC power input? If they do you might want to get a AC power adapter that will work with the HD's that have the power option Vs using a powered hub. While some hubs will work to support a single drive pushing two or more drives could be too much for it. Don't think because you can access the drives its safe to read/write to them. Remember the load is when the drive is reading & writing, which could cause non-recoverable errors.

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No all my HD's are not ac powered only powered buy a usb port on a computer so your saying buying a powered usb hub would be useless?

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dose anyone think this one will work?

http://www.amazon.com/7-Port-Powered-Ada...

It gives off 500mAh

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Carson481, I just checked 12 different hard drives and the amperage are from 500ma to the highest of 880mA. I'd suggest to look for either a different hub on Amazon (seems to be your supplier of choice;-) or use a different supplier like this one. There are plenty of them out there. The hub in the link will work for your drives and other components as well. Just as a bit of information for your search, try a hub for RaspberryPi since that one will require 1000mA. Hope this helps, good luck.

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Thanks OT !

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Each HD drive you have should have a specification sheet. Within it you should find the current draw in milliamps (mA) Here's a link to the conversion to Amps How to convert milliamps to amps if you need it.

As an example if you have an Iomega USB drive go to Iomega's web site and look up your model. If you have a bare SATA drive go to the manufacture's web site like Seagate.

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You may want to use two hub units (one for each USB port of your system) splitting the drives across them so you get the best throughput as well as spreading the power load. Remember the USB throughput is a lot less than FireWire here and if you are copying between the drives the system has to buffer the read before it can do the write to the other drive on the same USB chain (which is why spitting them to different USB ports will improve throughput).

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