Lenovo thinkpad l14 amd ryzen 5 pro 4650u July 8, 2019 16 32 64 128 Lenovo thinkpad l14 ryzen 5 pro Lenovo thinkpad t14s ryzen 5 pro Lenovo thinkpad x13 ryzen 5 pro 4650u Lenovo thinkpad l14 gen 2 amd Thinkpad ryzen 5 pro