Apple ME665LL/A (Early 2013) 15.4" Macbook Pro with Retina Display, Intel Core i7-3740QM 2.7GHz, 16GB DDR3, 512GB Solid State Drive, 802.11n, Bluetooth, Mac OS 10.8 Mountain Lion 15.4-inch LED-backlit Retina glossy widescreen display with edge-to-edge, uninterrupted glass (2880 x 1800-pixel resolution). 2.7GHz Intel Core i7 quad-core processor with 6MB shared L3 cache for excellent multitasking. NVIDIA GeForce GT 650M Graphics, 512GB Solid State Drive, 16GB installed RAM (1600 MHz DDR3), Built-in FaceTime HD camera for video chatting Multi-Touch trackpad for precise cursor control with support for inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilities, Full size backlit keyboard, and stereo speakers