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NH-L9a TDP Guidelines

The NH-L9i 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 be used with care 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:


Intel
Sandy Bridge  
65W or less Yes
95W Yes
Recommended with good case ventilation only.
Intel
Ivy Bridge  
65W or less Yes
77W Yes
Recommended with good case ventilation and Intel Turbo Mode disabled only.
Intel
Haswell  
65W or less Yes
84W* Partly
Recommended with good case ventilation, Intel Turbo Mode disabled and typical workloads only (not recommended for continuous 100% load on all CPU cores).
88W Partly


*Caution: Intel's unlocked -K series CPUs dissipate more heat than the indicated TDP with most mainboards' default BIOS settings. For this reason, our recommendation does not include -K series CPUs unless the heat dissipation is limited to the indicated TDP by choosing appropriate BIOS settings.


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 25°C or less. If your ambient temperature is significantly higher (30°C or more), we don’t recommend running the NH-L9i on 84W Haswell, 77W Ivy Bridge or 95W Sandy Bridge CPUs. For all other setups, please ensure good case ventilation when ambient temperature is 30°C 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-L9 with the supplied Low-Noise Adaptors, we recommend choosing CPUs with less than 65W TDP.



Noctua
31.03.2015 - PC Games Hardware 05/15 NH-D15
Test verdict: "Der NH-D15 sorgt für die niedrigsten Kerntemperaturen und ist für Silent-Fans und Übtertakter gleichermaßen interessant." (Torsten Vogel, PC Games Hardware 05/15)
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30.03.2015 - PC Games Hardware 05/15 NF-F12 PWM
Test verdict: "[A]uch in diesem Test gelingt es Noctua als einzige Marke, einen Lüfter komplett ohne hörbare Nebengeräusche zu bauen, sodass die Geräuschkulisse ausschließlich von der bewegten Luftmenge bestimmt wird." (Torsten Vogel, PC Games Hardware 05/15)
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30.03.2015 - HardZone.es NH-L9x65
Test verdict: "Personalmente confieso que Noctua es mi marca de disipadores favorita, tanto por su calidad desde el embalaje hasta el más mínimo detalle, como por el rendimiento Premium que tienen sus productos (no en vano es una marca que se dedica exclusivamente a esto. Si no son buenos no les iría bien). Por ello siempre soy bastante más exigente con cualquier producto de la marca que analizo, y análisis tras análisis me demuestran que no me equivoco en mi elección. Prueba de ello es este NH-L9x65, con un excelente rendimiento, pequeño tamaño, bajo nivel sonoro e instalación a prueba de novatos." (Rodrigo Alonso, HardZone.es)
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30.03.2015 - islaBit.com NH-L9x65
Test verdict: "Este es sin duda uno de los mejores productos en rendimiento que podemos encontrar en el mercado para refrigerar de forma silenciosa la CPU de un sistema compacto, incluso a un precio conjunto bastante ajustado, sin olvidarnos de la excelente garantía de búho de 6 años." (Juan José, islaBit.com)
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