Bestbuy offers AMD - Ryzen 7 5800X 4th Gen 8-core, 16-threads Unlocked Desktop Processor Without Cooler - Black for $259 (orig. $449) with free shipping.

Product Description:
8 cores optimized for high-FPS gaming rigs. Get the high-speed gaming performance of the world’s best desktop processor. AMD Ryzen Master Utility the Simple and Powerful Overclocking Utility for AMD Ryzen processors. 

• Boost Clock
  Up to 4.7GHz Max Boost Clock
• Cores
  8 CPU Cores
• System Memory
  Up to 3200MHz DDR4 RAM
• Game Cache
  36 MB GameCache for game performance
• PCI Express Version
  Processors with PCIe 4.0, delivering double the graphics and storage bandwidth