Measuring just 0.72" front and weighing just 3.2lbs, the artistically-crafted ZENBOOK Prime UX31E-XB51 notebook presents a delectable hairline spun metal finish with precision-etched concentric circles.
The ZENBOOK uses a precision-crafted design. The form features razor thin edges and a curved center section, which is both practical and attractive - while accommodating the powerful computing components within, this design also looks totally unique. It embodies beauty and strength in complete balance and harmony.
Incredible responsiveness and green
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. ASUS ZENBOOK keeps energy saving front and center with a dedicated battery saving mode, which conserves power whenever possible to increase battery life. ASUS ZENBOOK combines power, efficiency, smooth usage and user empowerment, all on in one sleek package.
ASUS is proud to deliver the world's first ultrabook with SATA 6 Gb/s solid state storage, making for an amazingly smooth and fast computing experience. Additionally, ASUS ZENBOOK ships 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.
Incredible audioProduct Highlights
Another ASUS exclusive, SonicMaster technology delivers breathtaking, lifelike audio that far exceeds the limitations of conventional notebook PC sound performance. Deeper, more impactful and wider in range, SonicMaster delivers four times the sound output of other ultrabooks without increasing the size or weight of the form factor.
In The Box
- This notebook is backed by the industry's most comprehensive warranty: covers accidental drops, spills, power surges and fire damage for the first year. For more information, visit
- 3rd generation Intel Core processor with Ivy Bridge and Intel Turbo Boost 2.0 Technology for the best visibly smart performance that adapts to your needs
- Exclusive ASUS SonicMaster audio technology, developed together with Bang & Olufsen ICEpower. Sharper high notes, clearer vocals, deeper bass, and a wider sound range all impress, completing a remarkably attractive portable multimedia package
- 2-second instant on resume, similar to a smartphone and creating an always-on Ultrabook that doesn't make you wait
- ASUS ZENBOOK UX31E XB51
- 4-cell battery
- AC 120/230 V power adapter