Hacker ApprovedDepartments

Interactive PCIe lanes tool

Pcie lane visualizer in Computers

Free web tool showing how PCIe lanes are split on motherboards, useful for checking how many GPUs will work. Caveat: lane layout varies by CPU, which can't yet be selected.

8 people recommended Interactive PCIe lanes tool in Hacker News comments, 2 had mixed feelings and none criticized it, November 2025 to October 2026.

8 of the 8 people who recommend it commented in one thread, “Free interactive tool that shows you how PCIe lanes work on motherboards”.

Summary written by Claude from 6 comments.

10 people gave an opinion

recommend it
8
mixed feelings
2
warn against or regret it
0

The record

Each figure is one person. RecommendsMixed feelingsCriticizes

Recommended in 1 of 12 months

In 1 different thread.

  1. November 2025: recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not recommended
  6. April 2026: not recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: not recommended
  12. October 2026: not recommended

Why it doesn’t carry the badge

  • 8 people recommend itNeeds 10 or more, not met.
  • Nobody criticizes itNeeds 2 to 1 or better, met.
  • Recommended in 1 of 12 monthsNeeds 4 or more, not met.
  • Recommended in 1 threadNeeds 5 or more, not met.
  • 8 of its 8 recommenders came from one threadNeeds half or less, not met.

The same rules apply to every product, and the badge can’t be bought. Mixed feelings count toward neither side. How the badge works

What people say about it

Reasons grouped from a sample of 6 of the 10 opinions about it, picked in proportion to how many people recommend it, have mixed feelings and criticize it. Each mark is one comment in the sample. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Useful and helpful to others

    “I found it useful and thought others might also like it.”

    Comment from 20 Nov 2025 in “Free interactive tool that shows you how PCIe lanes work on motherboards”

    “This is so cool and helpful.”

    Comment from 20 Nov 2025 in “Free interactive tool that shows you how PCIe lanes work on motherboards”

    “This is perfect thank you.”

    Comment from 20 Nov 2025 in “Free interactive tool that shows you how PCIe lanes work on motherboards”

What people warn about

Each mark is one comment

  • Ignores CPU-specific lane differences

    “this can vary depending on the CPU you use, would be nice to be able to select all different variations of supported CPUs”

    Comment from 20 Nov 2025 in “Free interactive tool that shows you how PCIe lanes work on motherboards”

What people said

6 of the 10 opinions about it, picked in proportion to the three counts, newest first. Each links to the original comment.

“So cool xD i think you could take it to tool with premoum features for people who are learning”

RecommendsComment from 21 Nov 2025 in “Free interactive tool that shows you how PCIe lanes work on motherboards”

“This is so cool and helpful.”

RecommendsComment from 20 Nov 2025 in “Free interactive tool that shows you how PCIe lanes work on motherboards”

“I found it useful and thought others might also like it.”

RecommendsComment from 20 Nov 2025 in “Free interactive tool that shows you how PCIe lanes work on motherboards”

“this can vary depending on the CPU you use, would be nice to be able to select all different variations of supported CPUs”

MixedComment from 20 Nov 2025 in “Free interactive tool that shows you how PCIe lanes work on motherboards”

“That is so incredibly useful, hardware vendors do such a bad job of properly advertising how many GPUs will actually work”

RecommendsComment from 20 Nov 2025 in “Free interactive tool that shows you how PCIe lanes work on motherboards”

“This is perfect thank you.”

MixedComment from 20 Nov 2025 in “Free interactive tool that shows you how PCIe lanes work on motherboards”

Counts come from 1,791,911 Hacker News comments labeled by Claude, November 2025 to October 2026, with data through October 31, 2026. Counts updated 2 Nov 2026. How we count. Report a mistake.