you can't make a "poll" after the creation of the thread.
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i have 2 USB on the mobo, and 2 more with a slot cover that comes with the mobo. that makes 4. i have a 4 port hub i am using, that makes 8 total so far. and this keyboard has 2, so that makes 10. the hub uses one, so it's 9, and this keyboard uses 1, that's 8, my mouse uses one, so that's 7 free. technically. i often plug in other mice and keyboards. not to mention my graphire. and the scanner............ =)