Amazon has the AMD Ryzen 7 5800X3D 8-Core 16-Thread Desktop Processor (100-100000651WOF) for $290 with free shipping. Features the world's fastest gaming desktop processor and first gaming processor with 3D stacking technology, 8 Cores, and 16 processing threads with AMD 3D V-Cache technology, 4.5 GHz Max Boost, 100 MB cache, and DDR4-3200 support.