Antonline via eBay has AMD Ryzen 9 5950X 16-Core/32-Thread Unlocked AM4 Desktop Processor on sale for $319.99. Shipping is free.

Specs:

• 16 Cores, 32 Threads
• 3.4 GHz Base Clock
• 4.9 GHz Max Boost Clock
• Socket AM4
• 8MB L2 & 64MB L3 Cache
• DDR4-3200 Memory
• Default TDP: 105W
• Zen 3 Architecture