Add the Lenovo ThinkPad T520 Intel Notebook to your wish list if you need a laptop that is both portable and durable. This 15.6-inch device is perfect as a replacement for a laptop or as a portable device. The graphics processing type of the T520 includes integrated/on-board graphics, which will reduce the chance of your laptop overheating. The hard drive capacity of the ThinkPad is 500 GB, which is perfect for your storage needs for documents, music, pictures, videos, and more. The RAM of the ThinkPad T520 Lenovo is 4096 MB, which is about 4 GB. The operating system of this computer is Windows 7, which you will find a breeze to use. The processor is the Intel Core i7 2nd Gen. with a processor speed of 2800 MHz for your heavy-duty computer needs.