- You cannot add "Lenovo ThinkPad E15 G3 AMD Ryzen™ 7 5700U Processor (1.80 GHz, up to 4.30 GHz Max Boost, 8 Cores, 16 Threads, 8 MB Cache) - 8GB DDR4 - 512GB SSD Intel HD Graphics 15.6″ FHD TN 250nits Anti-glare - Integrated AMD Radeon Graphics FREE DOS 1 YEAR LOCAL WARRANTY" to the cart because the product is out of stock.