Meant for everyday use, the Dell Inspiron 15 3521 is a new laptop computer that comes with Ubuntu as the operating system, and houses the Core i3 processor (3rd Gen) with a clock speed of 1.9 GHz and a cache memory of 3 MB. It has an in-built 4000 HD graphics processor which ensures high-quality images without compromising the operating system. The 15.6 inches screen with a resolution of 1366x768 pixels makes movie and video viewing a pleasurable experience. The 4 GB RAM ensures multi-tasking and multi-processing without slowing down your laptop. You can even upgrade the memory till 8 GB. The 500 GB HDD will keep you away from any data storage issue. The 1.0 megapixel camera is ideal for video chatting or clicking images; and, the stereo speakers with Waves MaxxAudio 4 ensure you have a pleasant home theatre experience each time. Operating on a 4-cell battery that can be charged using 65 W AC adaptor, it has an incredible 8 hours battery backup. Bluetooth connectivity, USB, RJ45, HDMI ports, multi-card slot and wireless LAN connection make sure get the best out of this laptop.