Is there a difference between a regular ethernet cable and the ethernet cable included with the Xbox 360?

When you look at the plug-ins for the Xbox 360 Cable, there is less wires connected to the plug, and more to the regular ethernet cable. Here's the best picture I can find. http://response-box.com/rgb/wp-content/uploads/2009/08/Ethernet-Cable.jpg This is a regular one, and the Xbox one has only three of... show more When you look at the plug-ins for the Xbox 360 Cable, there is less wires connected to the plug, and more to the regular ethernet cable.

Here's the best picture I can find.
http://response-box.com/rgb/wp-content/uploads/2009/08/Ethernet-Cable.jpg

This is a regular one, and the Xbox one has only three of those colored wires. Is there any difference in performance, and why is there only 3 wires?
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