Renowned Noctua quality backed up by 6-year manufacturer’s warranty, deluxe choice for AMD Ryzen CPUs & APUs with moderate heat load (e.g. 5600, 4750G, 4650G, 4600G, see compatibility list). Includes award-winning NT-H1 thermal compound and easy-to-install SecuFirm2 mounting system for the AM4 socket of AMD’s Ryzen CPUs and APUs. Quiet, premium-grade NF-A9x14 fan with Low-Noise Adaptor and automatic speed control via PWM. Compact footprint for 100% RAM and PCIe compatibility on ITX motherboards as well as easy access to near-socket connectors. Only 37mm total height, ideal for slim HTPC cases and Small Form Factor (SFF) builds.