ASUS VivoBook 4K BIOS Processor Intel® Core™ i7 5500U Processor Intel® Core™ i5 5200U Processor Operating System Windows 10 Home Windows 10 Pro Memory DDR3L 1600 MHz SDRAM, OnBoard Memory 4 GB , 1 x DIMM socket for expansion up to 12 GB SDRAM Display 15.6" 16:9 QFHD (3840×2160) Graphic NVIDIA® GeForce® GT 940M with 2GB DDR3 VRAM Storage 2.5" SATA3 - 1TB HDD 5400 - 1TB HDD 7200 - 750GB HDD 5400 - 750GB HDD 7200 - 500GB HDD 5400 - 500GB HDD 7200 Optical Drive Super-Multi DVD *1 Card Reader 3 -in-1 card reader ( SD/ SDHC/ SDXC) Camera VGA Web Camera Networking Integrated 802.11 b/g/n Built-in Bluetooth™ V4.0 (Optional) 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 SonicMaster Battery 2Cells 37 Whrs Polymer Battery Power Adapter Output : 19 V DC, 3.42 A, 65 W Input : 100 -240 V AC, 50/60 Hz universal Dimensions 38.2 x 25.6 x 2.53 cm (WxDxH) Weight 2.2 kg (with Polymer Battery) Security Kensington lock BIOS Booting User Password Protection HDD User Password Protection and Security Manufacturer Warranty 1-year limited International hardware warranty. *different by country On-line problem resolution through web interface (BIOS, Driver update) ASUS software supporting