Fast Mac networking is too expensive. I fixed that.
Jeff Geerling
Jul 31, 2026 14:00
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Chapters
All it takes is fixing a few design flaws.
Mentioned in this video (some links are affiliate links):
- Generic OCP 25G Thunderbolt Adapter: https://amzn.to/4vGLjDG
- Dual 25GbE TB Dock: https://store.raidendigit.com/products/lightone-25gbe-thunderbolt-docking-station
- Sonnet Twin25G: https://amzn.to/4tVqlAM
- Atto ThunderLink: https://amzn.to/48Tj0cG
- Aluminum Heatsinks: https://amzn.to/48DSiVn
- Noctua NF-A8 80mm 5V fan: https://amzn.to/4gUpZqK
- Noctua NA-FC1 Speed Controller: https://amzn.to/4vQq8iB
- Generic USB 5V fan (louder but cheaper): https://amzn.to/4cCM6OS
- 3D print - 80mm fan duct: https://www.printables.com/model/1789472-80mm-fan-mod-for-25g-thunderbolt-nic
- 3D print - Noctua 80mm fan grill: https://www.printables.com/model/1098017-high-efficiency-noctua-80mm-fan-grill
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2nd Channel: https://www.youtube.com/@GeerlingEngineering
3rd Channel: https://www.youtube.com/@Level2Jeff
Contents:
Science & Technology
#noctua
#3d print
#printing
#maker
#make
#network
#networking
#mac
#apple
#thunderbolt
#tb4
#tb5
#tb3
#pcie
#pci
#express
#ocp
#3.0
#card
#fiber
#sfp
#plus
#optic
#copper
#rj45
#hack
#fan
#usb
#5v
#solder
#soldering
#cad
#quiet
#savings
#save
#screws
#hacking
#open
#tinker
#fusion
#prusa
#core one
#corexy
#color
#colors
#tan
#brown
#duct
#airflow
#fluid
#dynamics
#cooling
#heating
#hot
#heatsink
#server
#homelab