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Fast Mac networking is too expensive. I fixed that.

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Source: Jeff Geerling
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  • description: 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 Support me on Patreon: https://www.patreon.com/geerlingguy Sponsor me on GitHub: https://github.com/sponsors/geerlingguy Merch: https://www.redshirtjeff.com 2nd Channel: https://www.youtube.com/@GeerlingEngineering 3rd Channel: https://www.youtube.com/@Level2Jeff Contents: 00:00 - 25G Thunderbolt is too expensive 00:38 - A cheaper option 01:06 - Need more fiber in my network diet 01:37 - 25G on a Mac - 2 problems 03:04 - Prusa and Noctua to the rescue 04:06 - A better way for fan power 04:50 - The blood sacrifice 04:56 - Keeping things cool 05:37 - How's 25 Gbps?
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  • title: Fast Mac networking is too expensive. I fixed that.
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  • updated_at: 2026-07-31T23:17:25Z
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