Lenovo thinkbook 14 ryzen 7 8845h July 8, 2019 16 32 64 128 Lenovo thinkbook 14 g6+ ryzen 7 8845h Lenovo thinkbook 14 g6+ 2024 ryzen 7 8845h Lenovo thinkbook 14 g6+ ahp 2024 ryzen 7 8845h Lenovo thinkbook 14 ryzen Lenovo thinkbook 15 g2 ryzen 7 4700u Thinkbook ryzen 7 Lenovo thinkbook 14 2020