Development of Zenbook was very complicated at the start and this is because of the economic goals that were established from the start. At beginning, their plan was to sell Intel Ultrabooks at a price of one thousand dollars but this is questioned by many of the manufacturers this was too high as compared to the original cost of models with the same Intel hardware. The user can choose between different variants under the same configuration.
The Zenbook UX21 has a 11.6 inch screen and a maximum resolution of 1366 by 768 pixels, 4 GB of RAM, six ports in total (split between USB 2.0, 3.0, miniHDMI, microVGA, audio and charger connection), Bluetooth 4.0 , 0.3 megapixel camera for videoconferencing, and a battery life estimated at five hours. Its processor configurations are based on the Intel Core processor i3-2367, Core i5 and Core i7-2467-2677, while storage is SSD with options on 64, 128 and 256 GB. On the other hand, the UX31 is Zenbook differences to a 13.3-inch, a resolution of 1600 by 900 pixels, add a port (SD), and its battery is larger with a duration of seven hours. Your choices are processor- Intel Core i5 2557 and Core i7-2677, and on SSDs that offers 128 and 256 GB.
Both the models maintain the basic parameters of the format, design "Monoshell" (an aluminum unibody) and a thickness of three millimeters in front and nine in the back. Zenbook also bring new Instant-On technology. This is allowing them to exit the "sleep" in about two seconds. The base model is priced Zenbook $ 999 but this will come with the highest setting, with a Core i7 and 256 GB SSD. Asus will not be alone in this adventure of Ultrabooks. Acer already has pre-selling its Aspire-S3 with a more aggressive price.