The 3080 will be out of stock a lot less than previous generations. Samsung's 8nm process has a lot less room for failure. GPU's technically go out of stock because the larger processed chips had a failure rate of 50% or more. It will be a lot easier to mass produce these chips. nVidia also know the demand for these GPU's will be the highest it's been in a long time, they'll be ready to ship a lot of units to make the money.