Proven premium heatsink (more than 50 awards and recommendations from international hardware websites), now available in an all-black design that goes great with many colour schemes and RGB LEDs Only 37mm height allows it to fit ultra-compact HTPC and Small Form Factor (SFF) cases, tailored footprint guarantees 100% RAM and PCIe compatibility on all ITX, Micro-ATX and ATX AM4 motherboards Renowned, award-winning NF-A9x14 slim 92mm fan with Low-Noise Adaptor and PWM for automatic speed control: Full cooling performance under load, whisper quiet at idle! Includes high-end NT-H1 thermal paste and SecuFirm2 mounting system for easy installation on AMD Ryzen CPUs and APUs Renowned Noctua quality backed up by 6-year manufacturers warranty, deluxe choice for AMD Ryzen CPUs & APUs with moderate heat load (e.g. 5600, 4750G, 4650G, 4600G, see compatibility list)