This computer is sold with upgraded configurations. If the computer has modifications (listed below), then the manufacturers box has been opened to install the upgrades to achieve the specifications as advertised.Main SpecificationsOperating System: Windows 10 Pro 64-bitProcessor: Intel Core i7 (10th Gen) 10510U / 1.8GHz (4.9GHz) / 8MB CacheMemory: *Upgraded 16GB DDR42400MHzStorage: *Upgraded 1TB PCIe-NVMe SSDOptical Drive: No optical driveDisplay: 15.6″ LED backlight 1920 x 1080 / Full HDTouchscreen: NoGraphics: Intel UHD GraphicsInput Device: TrackPointInterfaces: USB 3.1 Gen 1 | USB 3.1 Gen 1 (Always On) | USB-C 3.1 Gen 2 | USB 2.0 | HDMI 1.4b | LAN | Headphone/microphone combo jackMemory Card Reader: Yes (microSD)Keyboard Backlight: NoneNumeric Keypad: YesFingerprint Reader: NoneIntegrated Webcam: Yes – 720pNetworking: 802.11ac, Bluetooth 5.0, Gigabit EthernetWeight: 4.68 lbsWarranty: 1 Year Lenovo Depot Warranty