Low-height (145mm) dual-tower heatsink combines outstanding quiet cooling performance with excellent case compatibility, fits most 4U rackmount server cases Single-fan configuration and asymmetrical layout guarantee 100% RAM compatibility on AMD AM4/AM5 and Intel LGA1700/1200/115x sockets State-of-the-art NF-A12x25r 120mm fan with Low-Noise Adaptors 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 Intel LGA1700 (LGA17xx family) LGA1200, LGA115x, LGA2011, LGA2066 and AMD AM4 & AM5