Noctua NH-D9L, Premium CPU Cooler with NF-A9 92mm Fan (Brown) Compact dual-tower design combines strong cooling performance with excellent case-, RAM- and PCIe-compatibility Only 110mm height is ideal for HTPCs, ITX, Small Form Factor or 3U builds; Does not overhang the RAM or PCIe slots on most current motherboards Highly optimised NF-A9 92mm fan with PWM support and Low-Noise Adaptor for automatic speed control and ultra-quiet operation Easy-to-install SecuFirm2 multi-socket mounting system for Intel LGA2011-0 & LGA2011-3 (Square ILM), LGA1156, LGA1155, LGA1151, LGA1150 & AMD AM2, AM2+, AM3, AM3+, FM1, FM2, FM2+ (backplate required), AM4 with NM-AM4 Includes award-winning NT-H1 thermal compoudn. Trusted Noctua quality backed up by 6-year manufacturers warranty. NF-A9 PWM premium fan Low-Noise Adaptor (L.N.A.) NT-H1 high-grade thermal compound SecuFirm2 Mounting Kit Fan-clips for second NF-A9 Noctua Metal Case-Badge