Talks to Watch

Hetzner shows Special AM5 Board with 90° Rotated Socket

44K views · Apr 6, 2023 · 9:35 · 1 HN recommender · 4 mentions · discussed 2023–2025

Der8auer tours Hetzner's test lab and shows a custom AM5 server motherboard with the CPU socket rotated 90 degrees, built for rack airflow in their AX52 servers.

Why Hacker News points people here: Pointed to as a look at Hetzner's unusual semi-custom server hardware and cooling.

“The second is especially interesting as it demonstrates Hetzner's unique semi-custom hardware.”HN comment, 2025

What Hacker News said 4

RecommendsjsheardFeb 2024

“There's some videos out there showing off their custom motherboards”

Custom stripped-down motherboards arranged for rack airflow

Full comment

There's some videos out there showing off their custom motherboards, it's an odd mixture of standard-ish consumer ATX but stripped down to the absolute bare essentials and with some components rearranged for better airflow in racks chassis they also build themselves: this video Another video showing the custom racks and other infrastructure: link

RecommendsjsheardNov 2025

“The second is especially interesting as it demonstrates Hetzner's unique semi-custom hardware.”

Demonstrates Hetzner's unique semi-custom hardware

Full comment

Der8auer did some similar videos a few years ago, but in English: link this video The second is especially interesting as it demonstrates Hetzner's unique semi-custom hardware.

in “A day at Hetzner Online in the Falkenstein data center” · view on HN
Cites itthejoshJul 2023

“Hetzner also do some crazy-cool stuff, especially around the 7950X3D, cooling, AM5 etc.”

Hetzner's custom AM5 hardware and cooling

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Hetzner also do some crazy-cool stuff, especially around the 7950X3D, cooling, AM5 etc. ( this video ). They also do some amazing stuff with ARM (their cloud offering is really solid for this).

in “Fly.io Postgres cluster down for 3 days, no word from them about it” · view on HN
Cites itdist-epochFeb 2024

“Hetzner is buying ASUS consumer AM5 motherboards, but with the whole CPU + memory block rotated”

ASUS AM5 boards with rotated CPU and memory block for airflow

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Hetzner is buying ASUS consumer AM5 motherboards, but with the whole CPU + memory block rotated so that the memory sticks are horizontal instead of vertical for better airflow: this video