Product information: Processor: Intel @ Core M i5-11320H processor, 4 cores/8 threads (8M Cache, up to 4.50GHz) Graphics Processor: Intel @ lris @ Xe graphics card (graphics frequency 1.35 GHz) memory LPDDR43200MHz 16GB (onboard) Storage Expansion: M.2 2280 PCle4.0 SSD slot X1 (optional hard disk is PCle3.0)2.5-inch SATA hard disk slot X2 (SATA3.0 6.0Gb/s, limited thickness 7mm) Wireless Connection: M.2 2230WIFI support (dual-band Wi-Fi, Bluetooth) Video output: ① HDMI(4k @ 60Hz),② DisplayPort(8K @ 60Hz),③ Thunderbolt 4 (8K @ 60Hz, front) Audio output: HDMI , DisplayPort, 3.5mm Audio Jack (green) Peripheral Interface: RJ452.5 gigabit network port X2 ,USB2.0X 2 (left side of the back) USB3.1X 4(Gen2), clear CMOS X1 Power supply: DC 19v original power supply please plug Type-C holes on the back System: Windows 10 Professional Edition The front Lightning 4 interface supports PD protocol power supply; Do not insert the original power adapter, which will cause short circuit. Short circuit due to this reason does not support after-sales service. Please pay special attention!!