The NH-U9S chromax.black is an all-black version of Noctua’s award-winning NH-U9S premium-quality quiet CPU cooler. Thanks to the same proven compact 92mm tower heatsink design and NF-A9 PWM fan, it stays true to the NH-U9S’s successful formula of fusing strong cooling performance with excellent quietness of operation and outstanding RAM, case and PCIe compatibility. At the same time, the chromax.black version with its black fan and black coated heatsink combines these assets with a sleek stealth look. Topped off with the renowned SecuFirm2 multi-socket mounting system and Noctua’s enthusiast-grade NT-H1 thermal compound, the NH-U9S chromax.black is a premium choice for customers who seek a compact, highly compatible 92mm heatsink that looks just as great as it cools.