C Cyber Rage Member Sep 13, 2000 #1 Oct 9, 1999 139 0 0 Sep 13, 2000 #1 I'm getting ready to o/c my duron 650. I haven't received it yet but I want to go ahead and get a peltier unit to hook up to a hs. Is a 72watt sufficient? I've got several huge heatsinks that I'm gonna try it on. Thanks!