Would a USB ethernet adapter affect internet speed?

Soldato
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My laptops ethernet port doesnt work so I am thinking of getting a USB ethernet port to plug in to a USB slot on my laptop, my question is does this affect the connection speed? Obviously I know it wont do anything to the actual incoming speed, but once it goes through the USB port, will there be a difference in speed compared to going directly to the laptops ethernet slot.
 
My laptops ethernet port doesnt work so I am thinking of getting a USB ethernet port to plug in to a USB slot on my laptop, my question is does this affect the connection speed? Obviously I know it wont do anything to the actual incoming speed, but once it goes through the USB port, will there be a difference in speed compared to going directly to the laptops ethernet slot.

Hopefully this will help you:
http://www.lyberty.com/tech/terms/usb.html
 
USB ethernet are OK at best, as in they tend to use a lot of CPU compared to an on board adapter. Drivers are the main bug, depending on which one you buy.
 
As ecksmen said it'll be drivers that'd cause the most issues and higher CPU usage.

I generally wouldn't use a "USB to whatever" converter since they tend to be cheap and bad but if you're just using it to connect to a router to the Internet then it should be fine.

If your laptop has a PCMCIA or ExpressCard then you could get an Ethernet version which would be better but more expensive.
 
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