Laptop lenovo ideapad flex 5 ryzen 3 July 8, 2019 16 32 64 128 Lenovo ideapad flex 5 r5 Lenovo ideapad flex 5 amd ryzen 3 4300u Lenovo ideapad flex 5 amd ryzen 5 5500u Lenovo ideapad 3 flex 5 Lenovo ideapad flex 5 15