The mining profitability that will be provided is based on data from WhatToMine.com, it is a good estimate to what you will make but remember that these numbers will always change! User our overclocks below to achieve ideal results for performance and efficiency.
The RTX 3090 Mining profitability in different algorithms can be found in this Link.
Thermal Throttling Issue
The RTX 3090 Thermal throttle issue in mining is very tedious to deal with.
Thermal Throttling is when your GPU heats up too much so it reduces performance so it can reduce heat. In that case you will need to change the thermal pads of your GPU.