Intel mentions requiring support on their quickstart guide: https://www.intel.com/content/www/us/en/support/articles/000091128/graphics/intel-arc-dedicated-graphics-family.html

You mention in one comment that you want to use an Intel Arc. Those require resizeable BAR support on the mainboard/CPU. Search the manuals of your Mainboard/CPU. If it isn’t mentioned, then the GPU will not work

This is outdated, since /bin, /sbin and /lib now should be merged with their /usr counterparts

I would avoid the userbenchmark site, the owners are heavily biased against AMD, so their benchmarks cannot be trusted

… in mice.

What’s the average price during normal times? In Germany we are usually paying a fixed price, so fluctuations on the market do not reach the customers. However, this price is somewhere between 30 and 40c/kWh.