Notebook Model - Lenovo S145 Notebook Series - IdeaPad, Processor Brand - Intel, Processor Generation - 7th Gen, Processor Model - Core i3 7020U, Processor Base Frequency - 2.30GHz, Processor Core - 2, Processor Thread - 4, Processor Cache - 3 MB, Chipset - Intel SoC, Display Size - 15.6 Inch, Display Technology - FHD LED Display, Display Resolution - 1920 x 1080, Display Surface - Anti-glare, Touch Display - No, Memory (RAM) - 4 GB, Installed Memory Details - 1 x 4 GB Non-Removable, Memory Type - DDR4, Memory Bus (MHz) - 2133 MHz, Total Memory Slot - 2, Empty Memory Slot - 1, Max Memory Support - 12 GB, Optane Memory - None, Optane Memory Slot - None, Storage - 1 TB HDD, Installed HDD Type - SATA3, HDD RPM - 5400 RPM, SSD Expansion Slot - 1 x M.2 PCIe Blank SSD Slot, Optical Drive - No-ODD, Multimedia Card Slot - 1, Supported Multimedia Card - 4-in-1 media reader (MMC, SD, SDHC, SDXC), Graphics Chipset - Intel HD Graphics 620, Graphics Memory Accesibility - Integrated, Graphics Memory - Shared, LAN - None, WiFi - 802.11ac 1x1, Bluetooth - Bluetooth 4.2, USB 2 Port - 1 x USB2.0, USB 3 Port - 2 x USB3.1 Gen 1, HDMI Port - 1, Headphone Port - Combo, Microphone Port - Combo, Speaker - Dolby Audio stereo speakers, Microphone - Yes, WebCam - HD Webcam, Pointing Device - TouchPad, TPM - 2.0, Battery - Li-Polymer, Battery Capacity - 35Wh, Battery Type - Integrated, Power Adapter - 45W / 65W AC adapter, Adapter Type - External, Operating System - Windows 10, Body Material - PC/ABS plastic, Color - Platinum Grey, Dimension (W x D x H) - 362.2 x 251.5 x 19.9mm, Weight - 1.85 kg, Others - Security: Power-on password, hard disk password, supervisor password, Security chip: Firmware TPM 2.0 integrated in chipset Fingerprint reader: None, Keyboard: 6-row, multimedia Fn keys, Touchpad: Buttonless Mylar surface multi-touch touchpad, Audio support: HD Audio, Dolby Audio, stereo speakers, 1.5W x 2, Camera: 0.3MP, fixed focus, integrated monaural microphone, Warranty - 2 year (1 year for Battery and Adapter), Warranty Claim Duration (Approximat) - Estimated Warranty Claim Duration 15 Days. It may take additional time up to 60 days, Part Number - 81VD00EKIN-2Y, Country of Origin - China, Made in / Assembled in - China