On Tuesday, July 9, 2019 at 8:59:34 PM UTC+8, wrote:
Wow these 100 gigabit ethernet cards are still pretty pricey...

Better to wait for a few years and buy then... this does require the PC to be opened in the future and risking damage when installing it...

100 Gbps is getting ambitious.

25GBASE-T cards are not much more than 10GBASE-T, but the switches are rather
expensive. And also hot (10 W per port vs 5 W for 10 Gbps)