Best “bang for buck” CF Express Type B Card for Lumix S1ii?

I just received my first Lumix camera and this is also my first camera that utilizes cf express cards. I was wondering which ones y’all recommend that will not cause any overheating issues as I live in Texas and it can get quite hot in the summers. I have been looking at Lexar Silver and Pergear cards as they seem to be a bit cheaper than other brands. Any suggestions are helpful. Thank you!