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Accidentally Built a Nuclear Supercomputer.

2025-08-21 Gaming
2.6m
187.2k
10.0k
PewDiePie
PewDiePie
110.0m subscribers

Conquering Compute: Building and Debugging an Eight-GPU Workstation

Discover the extreme engineering hurdles undertaken—from sourcing parts to modding firmware—to build a specialized, 8-GPU machine aimed at replacing cloud costs.

Short Summary

  • Achieve computational self-sufficiency by justifying an expensive, custom-built rig against cloud services.
  • Overcome significant hardware integration challenges by designing and constructing a custom open-air case using aluminum extrusions.
  • Successfully enable 8-way GPU parallelism (TP8) crucial for running large models like Llama 3 70B, requiring custom BIOS flashing.
  • Verify that noise and power consumption remained manageable despite the massive component load.

This build documents a journey motivated by reaching extreme compute power, involving custom fabrication, overcoming compatibility issues that stalled progress for days, and relying on the kindness of strangers to modify system firmware successfully.

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Description

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Top Comments (10)

@SalemTechsperts 2025-08-21

The Greatest Technician That's Ever Lived

36.1k 183 replies
@Level1Techs 2025-08-21

happy to help, congratulations on all your Linux success 🎉

16.4k 67 replies
@fixandbuild 2025-08-21

Hey! BIOS guys here. Your welcome

15.2k 153 replies
@IsaacFoster.. 2025-08-21

This is era of Pewds might not be for everyone, but let's be honest, he's at peak. He actually became someone I aim to be like.

13.1k 81 replies
@senpiegee 2025-08-21

0:22 "The less i touch grass the more I touch the clouds"' *ting* so glad I'm awake for this video

8.6k 8 replies
@lookerlad 2025-08-23

We all know Bjorn did all this and Felix is just talking credit of his hard work

6.8k 9 replies
@goxy287 2025-08-21

The custom bios off of a random guy is genuinely insane 😭😭😭

5.5k 35 replies
@imactuallyasheep 2025-08-21

Finally Felix can return to his Minecraft Hardcore world without lagging his PC anymore

4.2k 17 replies
@CallsignKryptic 2025-09-13

2:32 "the RTX 4000 isnt a very exciting gpu....BUT IF YOU GET 7-" hands down my favorite quote so far

2.3k 6 replies
@DatMammutt 2025-09-10

Zero chance you or your team sees this. But as a father of two with very little time for videos these days, who’s been w you since pre 1 million subs, it warmed my heart more than is sane to see you hanging w your son. Much love to you and your family man. Been a LONG trip.

891 3 replies

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