... Ratio16:9Brightness400cd/m2Contrast1000:1Backlight4msScreenInfrared Touch ScreenProduct FeaturesIntel® Core™ i5 processorFeatures a 6MB L3 cache and 3.16GHz processor speed ... 16GB. Multiformat DVD±RW/CD-RW drive with double-layer supportRecords up to 8.5GB of data or 4 ... iLife (includes iPhoto, iMovie, iWeb, GarageBand), iTunes, Time Machine, Quick Look, Spaces, Spotlight, Front Row, Photo Booth and ...