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, Noctua’s enthusiast-grade NT-H thermal compound and a full 6-year manufacturer’s warranty, 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. Award-winning NH-U9S cooler Tens of thousands of enthusiast users all over the world swear by the NH-U9S’s quality and performance. Recommended by more than 100 international hardware websites and magazines, it is renowned as being one of the best 92mm coolers on the market. chromax.black design The NH-U9S chromax.black is black from head to toe: Featuring a black coated heatsink, a black fan with black anti-vibration pads, black fan clips and black mounting parts, it is right at home in all-black builds and easy to integrate with other colour schemes. Colour-customisable Using the optional NA-SAVP5 anti-vibration pads (available in black, blue, green, red, yellow, white), the NH-U9S chromax.black can be fully customised to fit popular build colour schemes such as black and red or black and white. 100% RAM compatibility With its 95x95mm footprint, the NH-U9S does not overhang the RAM slots on current Intel and most AMD mainboards. This gives the user full access to the memory modules and guarantees 100% compatibility with tall RGB modules, large heatspreaders or optional memory fans. 100% compatibility with PCIe cards on mini-ITX Many mini-ITX motherboards have the PCIe slot sitting close to the socket zone. While larger coolers that exceed this zone are likely to block the PCIe slot, the 95x95xmm sized NH-U9S provides full compatibility with PCIe cards, be it on ATX, microATX or ITX.   NF-A9 premium fan The highly optimised features Noctua's proprietary AAO frame as well as sophisticated aerodynamic design measures such as Flow Acceleration Channels, which allows it to further improve the renowned efficiency of Noctua's previous 92mm models and contributes to the NH-U9S' superior cooling performance. Dual fan ready The NH-U9S chromax.black includes an extra set of fan mounting clips for users who want to achieve even better cooling performance by adding a second, optional NF-A9 PWM chromax.black.swap fan in order to create a push/pull setup.