Lenovo R720 15IKBM DY520 NM B391 1 0 2017 04 14
0 dl
Lenovo R720 15IKBM DY520 NM B391 1 0 2017 04 14 7700 1060
Lenovo Y520 15IKBM NM B391 1 N17E G1 A1 SR30W SR32Q