Uploaded February 2026 | Updated September 2026, 1 week ago

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In this bonus episode, I'm unboxing a massive care package from Matthias at uni64.com. While I don't do many unboxings anymore, the sheer scale of these DIY Commodore 64 projects deserved their own video.

There are several incredible PCB projects, including the uax64 max v5—a full ATX-standard Commodore 64 motherboard featuring seven expansion slots. This board allows for some truly "insane" configurations, including the potential for up to six SID chips and modern connectivity like s-video and integrated internal 1541 support.

Hardware featured in this video:
* uax64 max v5: An ATX-sized C64 motherboard with 7 expansion slots.
* ulightbox 64 v4: A slim, stackable "tower" C64 recreation with RGB LEDs.
* Public Domain SID: A Pi Pico-based SID replacement.
* Expansion Modules: Including an FM OPL sound card with a Yamaha YM3812 chip, MIDI interface, 2MB RAM expansion, and an RGB module.
* Video/Audio Lag Test Card: A custom-designed tool for measuring input latency.

I’ll be gathering parts for these builds soon, so stay tuned to the main channel for the full assembly process!

Visit the shop: uni64.com

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