25 Gigabit networking is mentioned in the video. As for the low density, it might have something to do with their mentioned freecooling concept, which does not use cooling machines, but a controlled stream of air coming from outside.
This summer their Amsterdam DC went down because of the record breaking temperature in Amsterdam. Wondering if they use the same cooling technique there. They did mention it was because of cooling.
lifty|3 months ago
arend321|3 months ago
https://docs.hetzner.com/cloud/general/locations/