Streamlined, more affordable redux line version of the award-winning NH-U12S heatsink Slim 120mm size for excellent case, RAM and PCIe compatibility: fits most tower cases (158mm height), doesnt overhang the RAM slots, doesnt block the PCIe on most ATX and Micro-ATX motherboards Quiet NF-P12 redux-1700 120mm fan with PWM for automatic speed control: full cooling performance under load, near silent at idle! Pre-applied high-quality NT-H1 thermal paste & SecuFirm2 mounting system for easy installation on Intel LGA1700, LGA1200, LGA1150, LGA1151, LGA1155, LGA1156, LGA2011, LGA2066 and AMD AM4 & AM5 Renowned Noctua quality at an attractive price, smart choice for Intel Core i9, i7, i5, i3 (e.g. 12900K, 12700K, 12600K) and AMD Ryzen (e.g. 7950X, 7900X, 7700X, 7600X)