Noctua NH-U9S Air CPU Cooler Review

  1. Introduction
  2. Packaging, Contents and Specification
  3. Closer Look
  4. Mounting and Motherboard/GPU/RAM Clearance
  5. Test Bench and Testing Methodology
  6. Temperature Readouts and Observations
  7. Conclusion
  8. Online Purchase Links

4.0 NH-U9SWith a push-pull setup, this CPU cooler maintains pretty good cooling, but Intel stock cooler exceeds temperatures on load. Do note, this is the default clock setup. While with power saving and thermal controls, it would have lowered the temps by downclocking the clock speed and also reducing the Vcore. But the difference is MASSIVE if you plan on running the processor on 100% load for any reason.

Don’t expect overclocking with an Intel stock cooler and run it on 100% load.

4.5 NH-U9S

I wasn’t able to use 4.8 GHz overclock because it exceeded 95 degrees Celcius, so I did bring it down to 4.5GHz at 1.30v. The Noctua NH-U9S shines here, with a difference of 3 degrees between the two fan setups. The fans were pretty quiet at 2,000 RPM (+/- 10 RPM) in a closed case setup.

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