Frostytech's socket LGA2011 Intel synthetic thermal test platform stresses socket LGA2011/1366 compatible heatsinks with a 200W heat load. Keep in mind that the AMD Integrated Heat Spreader and Intel LGA2011 Integrated Heat Spreader both measure ~38x38mm, so these test results can be extrapolated to AMD processor scenario's as well.
With a 200W heat load applied by the Intel LGA2011/1366 version of FrostyTech's synthetic thermal test platform, the BeQuiet Shadow Rock 2 heatsink yields an average temperature result of 24.9°C over ambient at stock fan speed (1600RPM / 43.3dBA).
Reducing the speed of its single 120mm PWM fan to 800RPM caused test temperatures to jump to a poor 40.7°C over ambient. BeQuiet rate the Shadow Rock 2 to 180W TDP, but clearly the heatsink is starved for airflow at the fans' slowest speed (800rpm / 30.4dBA). At stock fan speed, the Shadow Rock 2 doesn't have any difficulties on the 200W test platform.
Ultimately, a slow fan will deliver the quietest performance, so long as you're okay with a trade off in higher temperatures. With the Shadow Rock 2's fan slowed down to 800RPM, airflow is just too low to keep temperatures in line. At stock fan speeds the Shadow Rock 2 performs to an average level on all three synthetic thermal test platforms, not the best thermal results or lowest noise output, but not bad on either front either.
Over the course of the past few heatsink reviews Frostytech has tested a good chunk of the current BeQuiet heatsink line up; you can see how the different coolers stack up here.
The Top 5 best heatsinks for low noise and low temperature are ranked here. For more reviews on the latest heatsinks and cooling solutions, rely on FrostyTech's inventory of 400+ heatsink reviews. Here are a few other articles that you might enjoy as well.
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