Lenovo thinkpad t14s amd ryzen 5 pro 4650u July 8, 2019 16 32 64 128 Lenovo thinkpad t14s gen.1 amd (ryzen 5 pro 4650u) Lenovo thinkpad t14s ryzen 5 pro Lenovo thinkpad l14 ryzen 5 pro Thinkpad ryzen 5 pro Amd ryzen 5 4650u