I replaced almost the same one (config 6700k + 1080) with second hand RX6800 (reference only since it does not have thermal paste) and 5800X3D (from aliexpres, idk it was fun to get it from there), and Dual Rank memory (since apparently DDR4 memory in dual rank works better than single).

The only advice I can give: don't buy 4060Ti, its a scam gpu.