140mm class performance in 120mm size: 7 heatpipes, more surface area and a dual fan configuration with state-of-the-art NF-A12x25 fans allow the NH-U12A to rival many 140mm size coolers! | Excellent case, RAM and PCIe compatibility: Fits most tower cases (158mm height), doesn’t overhang the RAM slots on LGA115x and AM4, doesn’t block the PCIe on most ATX and Micro-ATX motherboards. | Quiet, state-of-the-art NF-A12x25 120mm fans with Low-Noise Adaptors and PWM for automatic speed control: Full cooling performance under load, virtually silent at idle! | Includes high-end NT-H1 thermal paste and SecuFirm2 mounting system for easy installation on Intel LGA1150, LGA1151, LGA1155, LGA1156, LGA1200, LGA2011, LGA2066 and AMD AM4, AM3(+), AM2(+), FM2(+) | Renowned Noctua quality backed up by 6-year manufacturer’s warranty, deluxe choice for Intel Core i9, i7, i5, i3 (e.g. 10900K, 10700K, 10600K, 10980XE) and AMD Ryzen (e.g. 3950X, 3900X, 3700X, 3600X)