The Apple MacBook Pro Retina 15.4'' is a high-performance laptop suitable for workstations, casual computing.  It features an Intel Core i7 4th Gen processor with a speed of 2.20 GHz, 16 GB RAM, and an integrated Intel Iris Graphics 6100 GPU. The laptop has a 15.4-inch screen with a maximum resolution of 2880 x 1800. It comes with a 250.79 GB SSD storage and runs on Mac OS X 10.9, Mavericks. The MacBook Pro has a built-in webcam, Bluetooth, and connectivity options such as HDMI, USB 3.0, and a microSD card slot.