PCI Express over Fiber [video]

YouTuber Sylvain Munaut just beamed a computer’s high‑speed guts over fiber using off‑the‑shelf plug‑in modules, and the comments section went feral in the best way. He shows a basic link working and even flips it into a simple analyzer—think: PC parts talking over light. The initial vibe? Surprised delight. One viewer admitted they “thought SFP needed way more setup,” suddenly realizing why AliExpress is full of those dirt‑cheap video and USB gadgets that use the same parts.

Then the thread split into camps. Team Future cheered that this is where the industry’s headed anyway—PCIe (the highway that connects your PC parts) already mentions optical helpers in the rulebook, said one commenter. Team Practical clapped back: if you want plug‑and‑play today, just grab Thunderbolt 3/4 cables that already carry PCIe—“easier,” they say, if “less fun.” And then came the meme fuel: a commenter painted a glorious picture of a farm of RTX 4090s chilling in snowy Michigan, fiber lines sneaking into a toasty basement for arctic‑level cooling with zero noise. Cue the winter‑is‑coming jokes and “silent GPU igloo” fantasies. For the read‑don’t‑watch crowd, a tidy blog write‑up kept the party going. Is this the dawn of fiber‑optic PCs—or just a glorious nerd flex? The internet can’t decide, but it’s having a blast arguing about it.