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Windows 7: ExpressCard and USB Bandwidth

06 Dec 2011   #1

Windows 7 Home Premium x64
ExpressCard and USB Bandwidth

I'm wanting to do a uStream broadcast with 4 different USB HD WebCams. I have a Sony Vaio laptop with 3 USB Ports (I think they all use one controller) so I've tried using a USB hub and splitting them around the ports as best I can.

Am I right in thinking it will make no difference to performance because all the traffic will go through the same controller? And if so is it also true that if I add an ExpressCard with USB 2 / USB3 capability this would be an effective way of splitting the traffic and improving performance?

I wasn't sure if a USB ExpressCard simply routed the traffic via the existing USB Controller or if it handles it some other way. Would using an USB ExpressCard give me a performance advantage?

My System SpecsSystem Spec
25 Dec 2011   #2

Windows 7 Home Premium x64

No one have any idea about this one?
My System SpecsSystem Spec

 ExpressCard and USB Bandwidth

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