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Qotom/Topton Quad NIC Firewall 10" 1.5U Rack Mount

Rack to hold a fanless Qotom J1900 quad NIC PC, likely compatible with others. Designed to fit a 1.5U space.
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updated September 15, 2025

Description

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Rack I made to hold an old Qotom quad NIC PC I've been using as a PFsense box for years. Designed around the space as the top of “Modular 10 Inch Server Rack - Reworked”, which is technically 1.5U but eats into some of the vertical space a bit.

These PCs get a bit toasty in my experience since they're fanless, so I wouldn't recommend PLA. I used PETG with the following parameters and the rack is plenty solid:

  • print height: 0.2mm
  • perimeters: 2
  • infill: 20%
  • top and bottom layers: 4
  • print face down with no supports

PC I used for reference. Other newer models may have the same footprint but I cannot make any promises.

https://www.qotom.net/product/MiniPC_Q10100G4U_S02_Series.htmlhttps://www.qotom.net/product/MiniPC_Q10100G4U_S02_Series.html

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Model origin

The author marked this model as their own original creation.

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