can to help for how can i mine Ethereum classic in windows with GPU and what is claymore and what is good pool i use

thank you

hello,,

i mine zcash and have 3 cards msi rx470 and my hash rate in claymore is 800

and i use flypool and my hashrates in this site is 733.3H/s 778.7H/s

what is real for hash and how can i know my real hash for any pool ??

i make a new pc for mine GPU and get 6 vga card msi 470 8G i want know what is the best POWER SUPPLY EVGA 1000W OR 1300W OR 1600W