Heatpipes are already popular quiet cooling solutions, but built in case ducting is only now hitting the mainstream.  The Thermaltake Silent 775 takes advantage of both ideas, but puts the ducting directly onto the heatsink, so the fan’s efforts are funneled right to where it matters, and for ~43 CFM at 21dBa, reading the full review at Techtastic is worth it. 

If your CPU is already swinging in the breeze, make sure your graphics card doesn’t get jealous, below are 4 reviews it doesn’t want you to miss.
“Today we take a look at one of the first aftermarket heatsink/fan combos available to cool Intel’s Prescott CPU from Thermaltake, their Silent 775. To keep this beast quiet, Thermaltake has opted to use heatpipe technology along with their funneled 90x90x25mm fan that centralizes airflow and provides high air pressure and better cooling.”

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