The Acer Extensa 5635 is an entry-level laptop in the Extensa lineup. It is intended for personal work and business use. It uses Windows Vista Business and has a single-core Intel Pentium T4200 processore that operates at 2.0GHz and has 1MB of L2 cache and an 800MHz front-side bus. The laptop comes with 2GB of RAM and a 160GB hard drive, and uses Intel's Graphics Media Accelerator 4500M as a video processor. It also has a 5-in-1 memory card reader and built-in Wi-Fi connectivity. It has a large display, at 15.6", and typical lasts for about 2 hours per battery charge. Also included is a built-in webcam. Its motherboard is the Intel GL40 Express, and there is one extra RAM slot available to upgrade if necessary, to a maximum of 4GB.