If You switch to Linux You will get around 20 MHs om ETH. Far better than 30 on ETC.
Great news, which distribution do you advice? will ubuntu be fine? And which one?
I think SimpleminingOS, HiveOS, RaveOS or similar will be easiest. I went with Ubuntu 20.04 server as I had several rigs and didn't want to pay a monthly fee. Can't really recommend it as it was a lot of work for someone (me) that's not a linux guy.