JONSBO today unveiled the HP400S, an ultra-low-profile, top-flow CPU cooler. With its fan in place, the cooler has a height of just 36 mm. Despite its compact dimensions, its designers claim that it is capable of handling thermal loads of up to 140 W. Its design involves four 6 mm-thick copper heat pipes making direct contact with the CPU at the base, twisting into a dense aluminium fin-stack with 40 fins, which are ventilated by a 90 mm fan. This 15 mm-tall 90 mm fan can turn at speeds of up to 3,000 RPM, pushing up to 48.3 CFM of airflow, and 3.24 mm H₂O static pressure, with a maximum noise output of 33 dBA. The cooler measures 103 mm x 92 mm x 36 mm, with a weight of 380 g. Among the CPU socket types supported are LGA1700, AM4, LGA1200, and LGA115x. The company didn't reveal pricing.