Microsoft Surface Book with Performance Base is built for power. Featuring an Intel Core i7 processor, NVIDIA GeForce GTX 965M 2GB GDDR5 memory and a 256GB solid state drive. It is ultra-thin, meticulously crafted, with an incredible 13.5 PixelSense touch-screen display with 3000 x 2000 resolution detachable. Up to 16 hours of battery life for video playback keeps you going all day. Use the included Surface Pen to mark-up presentations, sign documents, take notes and much more. Surface Book with Performance Base speeds through intensive professional software, like SolidWorks 3D CAD, AutoCAD Revit, and Adobe Premiere Pro.