Fanless heatsink for 100% silent cooling through natural convection (see setup guidelines & list of recommended cases) or semi-passive setups with virtually inaudible NF-A12x25 LS-PWM fan (optional) 100% RAM compatibility on AMD AM4 and Intel LGA1700/1200, clears the top PCIe slot on most ATX and ATX motherboards Professional, Torx-based SecuFirm2+ mounting system for Intel LGA1700, LGA1200, LGA115x (LGA1150, LGA1151, LGA1155, LGA1156), LGA20xx (LGA2066, LGA2011-0, LGA2011-3) & AMD AM4, AM5 Further improved second-generation NT-H2 thermal compound for optimal overall cooling performance Recommended for CPUs with low to moderate heat dissipation (see CPU compatibility list), e.g. Intel 13900, 13700, 13600 or AMD Ryzen 7900, 7700, 7600, etc.