Asus Chromebox3 Case
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Description
Why this case?
I have several Asus Chromeboxes, but three of them wouldn’t fit side by side in a 1U rack — I was short just 5 mm of space. So I designed this custom case specifically for the Asus Chromebox3 motherboard, so it fits perfectly in tight 1U setups.
Key features
• Designed around the original Asus Chromebox3 motherboard, so it’s compact and rack-friendly.
• Reuses the original screws for the standoffs and even lets you reinstall the BIOS write-protection screw.
• Bottom cover held by four 4×2 mm magnets, with one reversed in polarity so it only fits one way.
• Space to stick the original rubber feet back on; with them, the total height matches the stock Chromebox exactly.
Perfect for 1U racks
This case is ideal if you want to stack multiple Asus Chromeboxes in a 1U rack and need every millimeter. It’s simple, functional, and keeps the original hardware where it matters.
Boost Me (for free)
If you like this design and it saves you space in your rack, a boost is always appreciated! It helps me keep creating more useful and compact builds like this one.
More designs
If you’re into small form-factor builds and custom enclosures, feel free to check out my other designs on MakerWorld — I’ve got a few more rack-friendly projects there.












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