Toshiba Satellite Radius 11.6" diagonal widescreen TruBrite TFT display (HD) Touchscreen 10 point multi touch support 1366x768 native resolution Native support for 720p content 16:9 aspect ratio LED backlit Wireless Display Support. Intel Pentium N3540 Quad Core Processor (2M Cache up to 2.66GHz) Mobile Intel HD graphics with shared graphics memory. 4GB DDR3L Memory is not user upgradable. 500GB (5400 RPM) Serial ATA hard disk drive. Windows 8.1