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NH-L9a TDP Guidelines

The NH-L9a is a low-profile quiet cooler designed for use in small form factor cases and HTPC environments. While it provides first rate performance in its class, it is not suitable for overclocking and should not be used on CPUs with more than 65W TDP (Thermal Design Power). Please see the following table for our detailed recommendations and also read the explanations below:

AMD   65W or less Yes
100W No
125W No

CPU temperatures depend on various different factors, so please take note of the explanations below and keep in mind that our recommendations can only serve as general guidelines for typical setups.

1) Our recommendations are based on an ambient temperature of 25C or less. Please ensure good case ventilation when ambient temperature is 30C or more.

2) Our recommendations assume that the cooler is installed in a typically equipped, properly ventilated HTPC system. If you are using particularly hot components inside your system, it may be necessary to use stronger case ventilation to ensure sufficient CPU cooling performance.

3) Our recommendations assume that the fan is used with PWM control (configured so that it can speed up to 100% when necessary) but without the supplied Low-Noise Adaptor. If you would like to use the NH-L9a with the supplied Low-Noise Adaptors, we recommend choosing CPUs with less than 65W TDP.

08.10.2015 - NH-U9S
Test verdict: "Jika Anda menginginkan sebuah PC mini dengan prosesor yang powerful, dan masih bingung memilih heatsink yang memiliki ukuran kecil dan performa baik, Noctua NH-U9S bisa masuk dalam pertimbangan Anda." (Alva Jonathan,

08.10.2015 - Formula Hardware NF-P14s redux-1500 PWM
Test verdict: "Por lo tanto, bajo nuestro punto de vista, estamos ante unos productos de gran rendimiento, gran calidad, y sin duda alguna, son ventiladores totalmente recomendados." (Asis Ferrer, Formula Hardware)

08.10.2015 - NH-D15S
Test verdict: "Hlt der Noctua NH-D15S also was er verspricht beziehungsweise was man von ihm erwartet? Die Testergebnisse sprechen wohl eine eindeutige Sprache und sagen klar und deutlich: Ja!" (Tobias Guttmann,

08.10.2015 - NH-U9S
Test verdict: "El Noctua NH-U9S se trata de uno de los mejores disipadores compactos que podemos encontrar a da de hoy. Su altura de apenas 125 mm nos permite instalar en cajas compactas e incluso en cajas para servidores de 4U." (Miguel ngel Navas Carrera,