be quiet! Pure Base 803: The Compact Processing Pod Boom, ft. CEO

Something is happening in the DIY processing pod market that the big fabrication houses don’t want to talk about loudly, because it implies their entire catalog philosophy is wrong.

Micro and Mini form factor builds — what the community has been calling ‘compact cores’ — are outselling full-tower ATX configurations for the third consecutive quarter on the Ceres Exchange’s hobbyist supply indices. Not by a little. By a margin that one fabrication analyst described, with visible discomfort, as ‘structurally significant.’

I was at the Titan Fabrication Expo last cycle, standing in front of be quiet!’s booth, when their CEO Aaron Licht said something I keep thinking about.

‘The interesting part isn’t that small builds are popular,’ he told me, leaning on a prototype of their new Pure Base 803 chassis. ‘It’s why they’re popular. People are building in orbital habitats, in colony station dormitories, in ship cargo bays. The space isn’t getting bigger. The hardware has to meet them where they are.’

Here’s how you can try this yourself: find the floor plan of your habitat unit. Measure your actual available desk surface. Now price a standard full-tower ATX build configuration. Notice the mismatch? The entire premise of ‘bigger is better’ thermal philosophy was built for planetary surface dwellers with gravity-well floorspace. Most of us aren’t that anymore.

The Pure Base 803 comes in both Micro-ATX and Mini-ITX configurations — the same internal architecture, scaled. be quiet! is also shipping an updated power supply calculator as open-access tooling, which: I genuinely don’t understand why every fabrication house doesn’t do this. They patented math. Think about that. Most PSU guidance is locked behind proprietary configurator tools with dark-pattern upsell flows. be quiet! just… published the math. Freely. I had to ask Licht twice if I’d heard him correctly.

‘Why wouldn’t we share it?’ he said. I wrote that down.

The Pure Base 803’s thermal performance in compact configuration is what I wanted to test personally, so I built one. Full methodology is linked at the end of this article — every cable routing decision, fan curve setting, and ambient temperature reading is documented and open-sourced. What I found: the 803’s dual-chamber airflow separation handles heat stratification in low-gravity environments better than anything in its price bracket. The integrated PSU shroud doubles as a convection guide in microgravity conditions, which isn’t in the spec sheet but is absolutely happening.

The interesting part isn’t that it works — it’s why it works. be quiet!’s engineers designed the internal geometry around the assumption that users would be modifying it. The standoff positions, the panel release tolerances, the cable routing channels — all of it reads like a chassis that expects to be opened again. That’s a design philosophy, not an accident.

Licht confirmed it: ‘We assume the person who buys this knows what they’re doing, or wants to learn. We’re not designing against the user.’

Contrast this with CosmicForge’s latest pre-built line, where the chassis screws are torqued to a spec that requires a proprietary tool they sell separately. Or HeliosCore’s new compact series, where the side panel is bonded with a material that technically qualifies as ‘removable’ under Right to Fabricate statute 7.4(c) if you have the correct solvent and three hours.

The compact core boom isn’t just a form factor trend. It’s a values signal. People building in small spaces, with their own hands, from components they chose — they want hardware that respects that relationship.

be quiet! seems to understand this. The 803 line is priced at 420 SGC for Micro-ATX and 380 SGC for Mini-ITX. Schematics for the airflow baffles are linked below. Build one. Tell me what you find.