Processor is compatible with 400 & 500 chipset Series AM4 motherboards. For sale is AMD Ryzen 9 5900X CPU Processor. The item was never used and comes in a clear tray box with AMD sticker.The item "AMD Ryzen 9 5900X (3.7GHz, 12-Core, AM4 Socket Type, TDP 105W) CPU Processor" is in sale since Friday, April 24, 2015. This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\CPUs/Processors". The seller is "ideals_uk" and is located in London. This item can be shipped worldwide.