This 15.6 in / 39.6 cm Lenovo IdeaPad B50-45 laptop computer is not only portable and powerful, it is also an energy saver. Delivering the power and functionality of a desktop, but with a much lower power consumption when plugged in makes it a good idea for home or office. Founded in China in 1984, Lenovo has built a strong reputation due to its industry-leading innovations and lightweight, yet reliable machines. The AMD E1 Dual-Core processor lets users enjoy impressive speed and powerful performance on a smaller, lighter machine that fulfills most computing needs. Motor through a variety of standard functions with the 1.135 GHz processor speed. Even while running a number of programs at the same time, this computer with 4 GB of memory will run fast and still have available memory. Store close to 40 hours of HD video, over 90,000 images, and a large selection of movies with the laptop's ample 320 GB storage capacity. Read text comfortably, multitask between multiple tabs and enjoy clear video images with a screen size of 15.6 in / 39.6 cm. The HDMI (High Definition Multimedia Interface) connectivity offers optimal display from this laptop's screen and is becoming the industry standard in display technology as screen resolutions continue to improve. Useful for quick and easy navigation and for easily encrypting data, this device comes with a Microsoft Windows 8 operating system.