This mini AI cluster has 512 GB of RAM and four Framework Desktop Mainboards!

Video with more details: https://www.youtube.com/watch?v=N5xhOqlvRh4

Blog post with build details and test results: https://www.jeffgeerling.com/blog/2025/i-clustered-four-framework-mainboards-test-huge-llms

Thanks to Framework for sending over the nodes for testing, and DeskPi for sending the prototype mini rack trays!

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