Dell Precision 5520 is a Windows 10 Professional laptop with a 15.60-inch display that has a resolution of 3840x2160 pixels. It is powered by a Core i7 processor and it comes with 16GB of RAM. The Dell Precision 5520 packs 512GB of SSD storage up to 1T. Intel[R] Dual Band Wireless. Faster 2400MHz DDR memory and higher capacity batteries help you power through the day.