This is not your average aluminum heatsink with copper heatpipes, but it looks innocent enough from the outside. The Xigmatek HDT-S963 heatsink is a unique thermal solution because the German thermal engineers who designed it, made its three copper heatpipes come in direct contact with the CPU itself. If you take the Xigmatek HDT-S963 in hand and flip it over, you'll see an aluminum base with three long grooves cut into it.
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