https://www.microcenter
Micro Center has the AMD Ryzen 7 7800X3D Raphael AM5 4.2GHz 8-Core Boxed Processor on sale for $419.99.
I stopped by today and got it for $394.99 with the $25 new customer coupon. https://www.microcenter
Edit: Also received a code for a free copy of Star Wars Jedi: Survivor