Techpowerup usually have some good PCB pictures so you can compare but they only have the X trio and I cant find any PCB shots for the Z Trio
MSI GeForce RTX 3070 Gaming X Trio Review - Circuit Board Analysis | TechPowerUp
its 7.36am in the UK so just finishing off the last WUs and then i'm done until the next event.
It has been great and can't wait to see the final results