The Surface Pro 4 features a 12.3" PixelSense display with a 2736 x 1824 screen resolution (267 ppi) and a 3:2 aspect ratio. The display is also a 10-point touch support so you can take full advantage of the multi-touch gestures incorporated into Windows 10 Pro. If you want to output video to an external display, you can use the mini DisplayPort.The system is powered by a dual-core 6th generation (Skylake) Intel Core i7 processor with Intel Iris Graphics. It also has 16GB of RAM, a 256GB solid state drive, a microSD media card slot, 802.11a/b/g/n/ac Wi-Fi, Bluetooth 4.0, a 5MP front-facing camera, an 8MP rear-facing camera with 1080p HD video recording, and dual integrated microphones. There are also built-in stereo speakers with Dolby audio. Windows 10 Pro is the installed operating system.