The NH-D15 chromax.black is an all-black version of Noctua’s award-winning flagship model NH-D15 premium-quality quiet CPU cooler. Thanks to the same proven dual-tower heatsink design and NF-A15 PWM fans, it stays true to the NH-D15’s successful formula of rivalling the performance of all-in-one water coolers while maintaining superb quietness of operation. At the same time, the chromax.black version with its black fans and black coated heatsink combines these assets with a sleek stealth look. NH-D15 chromax.black is a deluxe choice for both overclockers and silent enthusiasts who seek an elite-class heatsink that looks just as great as it cools.