Home Slickdeals AMD Ryzen 9 3900X 12-Core 3.8 GHz AM4 Processor $420 + Free... Slickdeals AMD Ryzen 9 3900X 12-Core 3.8 GHz AM4 Processor $420 + Free Shipping By ARCOM - 1 March 2020 147 0 SHARE Facebook Twitter Go to the deal page: AMD Ryzen 9 3900X 12-Core 3.8 GHz AM4 Processor $420 + Free Shipping