- Review -
NH-U9S
Under normal loads, both Noctua NH-D9L and NH-U9S had much better performance than what the AMD stock CPU fan can handle. We added a second fan 92mm fan to both NH-D9L and NH-U9S and we noticed that the NH-D9L, probably due to volume mass didn't get any major performance improvement. However the NH-U9S did get a great boost in cooling performance which troubled us that measurements were false, however, even with repeated tests it showed similar performance dropping from 67.93 Celsius to 63.59 Celsius (average measured). For sure the NH-U9S is a good performer and the much smaller NH-D9L is far behind due to the mass/volume of the overall cooler.
"Passing to the bigger brother, the Noctua NH-U9S, we were surprized by its performance/package since it manages to give really good performance for normal loads, especially when paired with an additional Noctua NF-9 PWM fan. " (Alex Macris, CDRinfo.com)
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