Lenovo Thinkpad E15 Gen 3, AMD Ryzen 5 5500U, 8GB, 256GB 20YGS02Q00 No OS. This Lenovo Thinkpad E15 Gen 3 laptop boasts a powerful AMD Ryzen 5 5500U processor with a speed of 2.10 GHz, making it perfect for a variety of uses such as workstation, casual computing, graphic design, and gaming.