https://wccftech.com/amd-ryzen-cpu-availability-allocation-q1-2021/

We have some updates for our readers who are looking to upgrade their Ryzen processor this quarter and there is good news as well as bad. Our sources have let us know the tentative CPU allocation and build plan over at AMD and what to expect in terms of availability for given Ryzen models. Considering AMD is swamped with overwhelming demand, this information should allow users to make better purchasing decisions and also to manage expectations when it comes to AMD's highly in-demand Zen 3 based Ryzen CPUs.

TSMC is quickly becoming the central chokepoint of pretty much all of the semiconductor industry (for fabless companies at any rate) and it is getting exceedingly hard to secure wafers. This is why companies like AMD have to continuously manage their SKU mix and update allocations for certain products to maximize their own supply quantities against the overwhelming tidal wave of demand. We have learned the CPU allocations at AMD for the first quarter of 2021 and they are as follows: