Noctua NH-U12P CPU Cooler 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. The NF-P12 has been specifically developed for applications like CPU cooling and brings the performance of the NH-U12 to a whole new level. Thanks to psycho-acoustic optimizations and Noctua's premium-grade SSO-bearing, the NF-P12 achieves exceptional quietness and long-term stability. Thanks to its raised fin-stack, the NH-U12P offers improved compatibility with main boards featuring very high chipset coolers. Noctua's professional SecuFirm mounting system for LGA 775, AM2 and AM2+ provides superior reliability and contact pressure