Mainboard Modell (PCB) : LF15M MB 13281-1 Lenovo P/N : 5B20G39479 5B20G39423 CPU : Intel i3-4030U 1,9GHz GPU: Intel HD RAM: 2x RAM Slot 1x USB 3.0 , 1x HDMI , 1x LAN RJ45 , 1x SATA HDD , 1 x Audio Jack , 1x M.2 WLAN