Lenovo thinkbook 15 gen 3 ryzen 7 July 8, 2019 16 32 64 128 Lenovo thinkbook ryzen 3 Lenovo thinkbook 15 g2 ryzen 7 4700u Lenovo thinkbook ryzen 3 4300u Lenovo thinkbook 15 gen3 Thinkbook ryzen 7
