Acoustic Samples: Listen to this Heatsink! The Thermaltake Polo735 heatsink weighs in at 42.3 dBA on the low side, and 68.0 dBA with the 38mm thick Everflow fan spinning at full speed. To listen to this heatsink in operation, be sure to click on the headphones icons below and play the each of the sample MP3 files.
The Thermaltake Polo735 heatsink weighs in at 42.3 dBA on the low side, and 68.0 dBA with the 38mm thick Everflow fan spinning at full speed. To listen to this heatsink in operation, be sure to click on the headphones icons below and play the each of the sample MP3 files.
Sound Level Measurements: Which Heatsink is Quietest?
Listening to the actual noise a heatsink makes allows you to hear what pure numbers alone cannot get across. To further emphasize FrostyTech's reliance on cold hard facts when evaluating a heatsink, we also take noise level measurements with a sound level meter.
The Thermaltake Polo735 covers both noise level extremes. With the fan dialed down to the slowest RPM setting it is effectively a low noise heatsink. However, when the fan is running at its full speed (default 12V), the situation is unbearably loud at 68.0 dBA. It's unrealistic to expect someone to be able to work with that much noise coming from their computer.
Surface Finish Comparator Notes: Flatness and Finish
Surface finish is an important factor that we all look for when holding a new heatsink. Flipping a cooler over to see how well the base has been machined is a quick way to judge the attention to detail that was put into making it. The following test involves the use of a Surface Roughness Comparator, which offers a concise cross section common machine surface finishes.
The Thermaltake Polo735 heatsink has a surface roughness of approximately ~32 microinches, which is considered satisfactory. Next, let's see how this heatsink handles the heat compared to a selection of other Athlon64 K8 heatsinks!
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