Features of Lenovo G40 80 NotebookGeneral Utility Everyday Use Type Notebook Display Screen Size 14 Inch Resolution 1366 x 768 Pixels Screen Type HD TN GL (Flat) Processor Processor Brand Intel Processor Core i3 Variant 4030U Generation 4th Generation Clock Speed 1.90 GHz Cache 3 MB Memory RAM 4 GB Expandable Memory Upto 16 GB Storage Hardware Interface SATA RPM 5400 Hard Disk Capacity 500GB Platform Operating System DOS Graphics Graphic Processor Intel HD Graphics Inputs Web Camera 0.3M Camera Pointer Device Touchpad Communication Wireless LAN Yes Bluetooth Yes Ports/Slots USB Port 1 x USB 3.0, 2 x USB 2.0 HDMI Port Yes Multi Card Slot Yes Other Ports Headphone and Microphone combo jack Power Power Supply 45 W AC Adapter Battery Backup Upto 4 hours Battery Cell 4 cell Dimension Weight 2.5 Kg Additional features Other Features Standard Keyboard