Had acquired with I7 CPU, the model. And again sent back. I like this device here has slipped through the final absolutely incomprehensible. The keyboard is so so Krum and wavy installed the backlight partially or not at all far too bright-rayed. And that in this price range. Furthermore, my CPU cooling to laut.Schon surfing with IE or Firefox, the passive cooling system is overwhelmed. The volume is störend.Leicht howling. The display has up and down significant halos. The Zenbook has since it comes with an ancient Win8 relaese good 4hrs updated until it was at 8.1.