i have modded my MSI rx 570 4gb GAMINING X Hynix and Elpida VRAM. This bios is for power safe mod with good hashrates and temperature.
Power draw in gpu-z is average 70-75, temp is 50-55 Celsius, and average hashrate is 28.3 - 28-5. You can overclock it to 29 with core clock - 1150, memclock 2020 and powerlimit to 80.
https://ibb.co/imzgP5If you want my modded bios feel free to message me and pls make me a donation on ETH address 0x1a7ef2f135295a4a857ade9f6fe82d636592a25c