[micw]

I have seen hetzners cloud block storage to be quite slow. It became soon a bottleneck on our timescale databases. Now we're testing on netcup.com's "root servers" which are VPS with dedicated CPU cores and lots of very fast storage.

[nik736]

They limit them to 7500 IOPS, as stated in their docs. It also doesn't scale with size, the limit is there for every volume of any size.