Noctua’s 3D printable side panel quiets Framework’s Desktop — drop 5-7 decibels using this freely available mod

Noctua has made the compact and efficient desktop PC case made by Framework even better with a freely available, 3D-printable duct system for its NF-AS12x25 fan. It’s an upgraded design of the one used in the Seasonic Noctua Edition PSU, with a thinner grill, and manages to lower the noise levels of the Framework desktop PC by 5-7 decibels.

The Framework desktop PC is a unique little device, offering a less-upgradeable system than a standard DIY desktop, but with a number of useful extras and features. Enough that we gave it a good review when we tested it earlier this year, though we highlighted its high price tag.

One of the companies that consulted on the initial design was Noctua, which has a sterling reputation for low noise levels and efficient cooling. But apparently it felt there was more juice to wring from that SFF stone, so it went to work customizing the side panel to fit a large Noctua fan in there, and the effect was impressive.

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Integrating the NF-A12x25 fan and a duct system, along with a custom fan grille, into the side panel, dropped noise levels by up to seven decibels. Higher fan speeds resulted in better cooling performance, but at higher noise levels, giving anyone who tries this various options for how they implement it.