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How many PCIe Extensions is TOO MANY??

Linus Tech Tips · demo · Watch on YouTube

Computer architecture & CPUsElectronics & circuit designConsumer devices & gadgets

What it is

Linus Tech Tips tests whether chaining many PCIe riser extensions causes loss of GPU performance. They keep adding extensions to see how far the signal will go.

Why Hacker News recommends it

HN cites it as empirical evidence that PCIe cables can be chained to roughly three meters before failing.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2017, last 2026

What HN commenters said

  1. “Linus Tech Tips has a bunch of good ones”

    Fun challenge of chaining PCI extenders with a graphics card.

    Uehreka, 2020-12 · Recommendation · in “Raspberry Pi PCIe Devices”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: pcie, riser cables, gpu, hardware testing, linus tech tips

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