ASUS X450LAV BIOS Processor Intel® Core™ i5 4210U Processor, Intel® Core™ i3 4030U/4010U Processor, Operating System Windows 8.1 Pro Windows 8.1 Memory DDR3L 1600 MHz SDRAM, 1 x SO-DIMM socket for expansion up to 8 GB SDRAM Display 14.0" 16:9 HD (1366x768) Graphic Integrated Intel® HD Graphics 4400 Storage - 320GB HDD 5400 - 500GB HDD 5400 - 750GB HDD 5400 - 1TB HDD 5400 Optical Drive Super-Multi DVD *1 Card Reader 3 -in-1 card reader ( SD/ SDHC/ SDXC) Camera VGA/HD Web Camera (Optional) Networking Integrated Built-in Bluetooth™ V4.0 10/100/1000 Base T Interface 1 x COMBO audio jack 1 x VGA port/Mini D-sub 15-pin for external monitor 2 x USB 3.0 port(s) 1 x USB 2.0 port(s) 1 x RJ45 LAN Jack for LAN insert 1 x HDMI Audio Built-in Speakers And Microphone ASUS SonicMaster Technology Battery 4Cells 37 Whrs Power Adapter Plug Type :ø5.5 (mm) Output : 19 V DC, 2.37 A, 45 W Input : 100 -240 V AC, 50/60 Hz universal 3/ 2 pin compact power supply system Dimensions 34.8 x 24.1 x 2.48 ~3.17 cm (WxDxH) (w/ 4cell battery) Weight 2.1 kg (with 4 cell battery) Security Kensington lock BIOS Booting User Password Protection HDD User Password Protection and Security Manufacturer Warranty 2-year limited International hardware warranty. *different by country