Intel as one of the originators in the computer industry says that ultrabook is the next evolution of the notebook product line. It is estimated, the future of the portable computer is a portable computer with a physical thin, elegant, yet with high performance. As one of the major players in the business notebook, Asus has also been presenting their ultrabook devices, one of them through a series Zenbook. There are two prepared the UX21 and UX31. Physically, the two are similar. The difference is only on screen size and processor. Design and Features One product Zenbook we tried, the UX21, equipped with the Intel Sandy Bridge Core i5-2467M with a speed of 1.6 GHz and using 4GB of RAM. He uses a screen measuring 11.6 inches with resolutions up to 1366x768 pixels. In terms of design, ultrabook is indeed very thin. Its thickest point, which is on its back , is less than 1 centimeter (cm). Casing the coating is also designed as unibody which means the body is made without separa...