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superchunk said:
osed125 said:
superchunk said:

Doesn't it have a power cord too? I know my 1TB does and that connects to a PC.

This is the one I own. 

http://www.amazon.com/Western-Digital-Passport-Portable-Drive/dp/B006Y5UV4A/ref=sr_1_1?s=electronics&ie=UTF8&qid=1352929028&sr=1-1&keywords=1+TB+external+hard+drive

Didn't come with a power cord, I just connected it to my PC and it worked perfectly.

Oh, its because your's is a USB 3.0. Mine is 2.0 and WiiUs USB port is 2.0. Pretty sure 2.0 has lower power capabilities. At least that is the idea I'm going with until proven otherwise. :P

Yep some USB 3.0 devices can draw up to 900mA, where as USB2.0 max was 50mA.

The USB2.0 port is the thing that will limit this as it was ot designed to handle 900mA. Hnece why there would be a Y cable invovled.