Lenovo IdeaPad 3 series Black Notebook – Intel Celeron Dual Core N4020 1.10Ghz with Turbo Boost up to 2.8Ghz 4MB L3 Cache Processor, 4GB DDR4-2400 Memory onboard, Supports 4GB Max Mem, No memory slots, 500GB SATA Hard Drive, NO optical drive, 15.6" WXGA HD (1366 x 768 resolution) LED Backlit Display, Intel UHD Graphics 600, 802.11ac Wireless Lan, Bluetooth, Webcam, 2 Cell battery, Standard US Keyboard, 2x USB 3.2 (Gen 1), 1x USB 2.0, HDMI output, Dolby Audio, SD Card Reader, 1.7 kg, Microsoft Windows 10 Home 64 bit Edition, Retail Box, 1 year warranty