Recommended by more than 150 leading international websites and magazines, Noctua's NH-U12P series has become a benchmark in premium quality quiet cooling. The new NH-U12P SE2 comes with two NF-P12 fans for further improved performance and adds support for LGA1156 and LGA1366 via the latest SecuFirm2 multi-socket mounting system. Topped off with Noctua's award-winning NT-H1 thermal compound, the NH-U12P SE2 forms a complete quality package that continues the NH-U12P series legacy of superb quiet cooling performance. Award-winning NH-U12P Heatsink The NH-U12P SE2 is built around Noctua's premium quality NH-U12P heatsink which is renowned for its excellent quiet cooling performance and has received more than 150 awards and recommendations from leading international websites and magazines. SecuFirm2 multi-socket mounting system Noctua's enthusiast-grade SecuFirm2 multi-socket mounting provides broad socket compatibility (LGA1366, LGA1156, LGA775, AM2, AM2+ and AM3) and meets the highest demands in safety, performance and ease-of-use. 2x NF-P12 Premium Fan Including two of Noctua's award-winning NF-P12 120mm fans with Low-Noise (LN) and Ultra-Low-Noise (ULN) adaptors, the NH-U12P SE2 offers full flexibility in fine-tuning the cooler for supreme quietness and maximum performance in push-pull mode. NT-H1 Thermal Compound Noctua's much-acclaimed NT-H1 is a pro-grade thermal interface material (TIM) solution that provides minimum thermal resistance, excellent ease-of-use and outstanding longevity. Special Edition Premium Kit Bundled with a tube of NT-H1, two exquisite NF-P12 fans and the new SecuFirm2 multi-socket mounting system, the NH-U12P SE2 forms a complete premium quality package that's backed up with 6 years manufacturer's warranty and contains everything you need in order to achieve superb quiet cooling performance. Please note: Due to its custom backplate, the NH-U12P SE2 is not compatible with Intel's Xeon 5500 platform. Please choose our NH-U12DX 1366 for use on Xeon 5500 systems.