Incredible Responsiveness

Exclusive ASUS Super Hybrid Engine II with instant on enables 2-second resume of the notebook from sleep, with up to two weeks* of standby time with open files and other pending data kept safe in memory. Plus, automatic data backup when the battery reaches 5% charge further helps secure your work. ASUS ZENBOOK™ keeps energy saving front and center with a dedicated Battery Saving Mode, which conserves power whenever possible to increase battery life by as much as 25%. You’re also always in the know when it comes to the battery thanks to ASUS PowerWiz, a utility that shows exactly how much charge is left per application – web browsing, movie watching. ASUS ZENBOOK™ combines power, efficiency, smooth usage and user empowerment, all on in one sleek package.
*Actual UX31E & UX21E standby time may vary due to specific component performance, connected devices, and environmental differentiation.

Incredible Performance

ASUS is proud to deliver the world’s first ultrabook with SATA 6Gb/s solid state storage, making for an amazingly smooth and fast computing experience. Additionally, all ASUS ZENBOOK™ models ship with USB 3.0 as standard, multiplying the transfer rates of current USB 2.0 by as much as a factor of ten! Combined, SSD storage and USB 3.0 create incredible speed of data transfer rates.