When AMD introduced the 4800 series several months ago, everyone was hoping for a GPU that had fairly low heat output and thus wouldn't require the "leaf blower" style cooling found on most of their previous GPU's dating back to the X1950 series. Unfortunately, despite AMD's efforts to tame the lower-end HD 4850 with a copper based single-slot solution, those of us who dabble in the art of overclocking were less than impressed by its near-boiling-point load temperatures that hindered any decent increase in clock speeds. Thankfully some AIB's stepped in with their own custom cooling, HIS being one of the few.
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Review: OC3D