In our review of Noctua’s latest flagship, the NH-D15, we proclaimed it the king of air coolers, for its massive cooling performance and silent operation. However, while the NH-D15 is the definitive solution where space is not a concern, it is definitely not the end all be all, especially for those looking for a cooler for their small form-factor systems. Mini-ITX users fear not, as Noctua also has a solution such situations as well. The company’s NH-L9x65 promises an ultra compact design, as well as Noctua’s signature silent operation, but can it keep even the most demanding overclocks cool? Let’s find out!