GeekMan

Ok, I dont get the whole concept/theory...

How does it work? Where do I get one? How do I use it to chill my CPU? What kinds of temps can I attain?

Im a n00b at this

Regards,
GeekMan

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Mastacator

Hey GeekMan, check out this stickie about peltiers.
You can get one in quite a few places, frozencpu.com has some I believe.
A peltier is usually used on top of a cpu, or gpu, beneath a waterblock. Peltiers move heat from one side to the other so the hot side needs to be cooled, the best is with a good watercooling loop.
Sub zero temps are possible with a high powered peltier and a beefy watercooling loop.