The NH-U12S chromax.black is an all-black version of Noctuas award-winning NH-U12S premium-quality quiet CPU cooler. Thanks to the same proven slim-tower heatsink design and NF-F12 PWM fan, it stays true to the NH-U12Ss successful formula of fusing excellent cooling performance with superb 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, Noctuas enthusiast-grade NT-H1 thermal compound and a full 6-year manufacturers warranty, the NH-U12S chromax.black is a premium choice for customers who seek a highly compatible 120mm heatsink that looks just as great as it cools.