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Zalman CNPS9900 Max Review


Testing and Setup:

Testing of the heatsink will involve applying a load simulated by Prime95, using small FFTs in stock and overclocked scenarios. Both idle and load temperatures will be recorded. Load temperatures will be the maximum value displayed in RealTemp after running eight threads in Prime95 for one hour, and idle temperatures will be the minimum recorded value by RealTemp with no computer usage after one hour. The temperature values for each of the four cores will be averaged and displayed in the graphs below. The ambient temperature is held at a constant 22.5 °C throughout testing of the CNPS9900 MAX, as well as the comparison heatsinks. All the data shown in the graphs below is in degrees Celsius. The included thermal paste from Zalman will be used during testing, and thermal pastes as packaged from the other coolers were used with each heatsink, respectively. The fan on the CNPS9900 MAX will be run at full speed for these tests.

Testing Setup:

Comparison Heatsinks:








The Zalman CNPS9900 MAX performed very well in comparison to the other heatsinks. It even came within a degree or two of the Noctua D14, which is no easy task! The noise on the CNPS9900 MAX is audible, and a little more than I expected out of the model name, which is abbreviated from "Computer Noise Protection System." The D14 accomplished better temperatures with no audible noise. However, the D14 is more expensive, much larger, and has two operating fans, so there is a sacrifice to achieve the improved temperatures offered by the Noctua. On the next page, I will wrap up my thoughts about the CNPS9900 MAX.

  1. Introduction & Closer Look
  2. Closer Look (continued)
  3. Specifications & Features
  4. Testing & Results
  5. Conclusion
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