You cannot add "AMD - Ryzen 9 7900X 12-core - 24-Thread 4.7 GHz (5.6 GHz Max Boost) Socket AM5 Desktop Processor" to the cart because the product is out of stock.
Intel – Core i7-12700K Desktop Processor 12 (8P+4E) Cores up to 5.0 GHz Unlocked LGA1700 600 Series Chipset 125W