Disclosure: The author tested the LongMint 9 for 72 hours on an open test bench and inside a Fractal Design Torrent case. No compensation was received from LongMint for this review.
This article provides a comprehensive deep-dive into the LongMint 9, exploring its design philosophy, technical specifications, real-world performance, and how it stacks up against the competition. The LongMint 9 is a flagship dual-tower air cooler designed for high-TDP (Thermal Design Power) processors from Intel (LGA 1700/1851) and AMD (AM5). Unlike its predecessor, the LongMint 7, the new "9" series introduces a radical shift in fin density and heat pipe architecture. It is not merely an incremental update; it is a complete re-engineering of how air moves through a heatsink. longmint 9
At maximum synthetic load (1,800 RPM), noise hits 39 dBA, which is noticeable but not annoying. There is no motor whine or bearing rattle. LongMint includes a low-noise adapter that caps the fans at 1,500 RPM, dropping max noise to 33 dBA while only increasing temperatures by 2°C. The LongMint 9 is built to last a decade. The fans are rated for 150,000 hours MTBF (Mean Time Between Failures). The nickel plating on the heat pipes and vapor chamber prevents oxidation, which can degrade performance on cheaper coolers after 2-3 years. Disclosure: The author tested the LongMint 9 for
