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The NH-U9B continues the legacy of Noctua's classic NH-U coolers, which won over 150 awards and recommendations from leading international websites and magazines. While retaining the successful design and the well-proven SecuFirm™ mounting system, the newest revision has excellent compatibility with small cases and HTPC's and now comes with Noctua's NT-H1 pro-grade thermal compound.

The 4 dual heat pipes, soldered joints and 36 widely-spaced aluminium cooling fins guarantee optimal heat dissipation even at low fan speeds. Noctua's NH-U coolers allow for perfect airflow direction and have received more than 150 awards and recommendations from leading international websites and magazines.  Boasting exceptionally high airflow and pressure performance, the NF-B9 is ideally suited for CPU cooling.  Bevelled blade tips, Vortex-Control Notches as well as Noctua's SCD drive system and premium-grade SSO-Bearing guarantee outstanding quietness and long-term stability.  Thanks to its compact size, the NH-U9B provides excellent compatibility with small cases, HTPC systems and other components.  Noctua's professional SecuFirm mounting system for LGA 775, AM2 and AM2+ ensures superior reliability and contact pressure.  Noctua's  NT-H1 is an award-winning TIM solution that provides minimum thermal resistance, ecsellent ease-of-use and long-term stability.