?Ideapad S145 Celeron 4205U?: The fast and strong Intel Celeron Processor 4000 Series, Intel Dual-Core Celeron 4205U, 1.8GHz Base Frequency, 2 MB Intel Smart Cache, 2 Treads ?Enough Storage?: 4GB DDR4 SDRAM Memory, 128GB Solid State Drive ?Lenovo Ideapad S145 15.6?: 15.6 inch HD ( 1366 x 768 ) Anti-Glare Widescreen LED Display, Integrated Intel UHD Graphics 610 ?External Ports and Slots?: 1 x USB 2.0, 2 x USB 3.0, 1 x HDMI, 1 x headphone/microphone combo, 1 x 4-in-1 card reader ?Operating System? : Windows 10 Home 64 bit, Front-Facing 720p HD Webcam with integrated digital microphone, 802.11AC Wi-Fi and Bluetooth 4.1 Combo, 2 x 1.5W speakers with Dolby Audio, up to 6 hours battery life, Accessory Including a Delca 16GB Micro SD Card