Apple 27" iMac Quad-Core Intel Core i7 3.4GHz, 16GB RAM, 3TB Fusion Drive, NVIDIA GeForce GTX 680MX graphics processor with 2GB of GDDR5 memory, Two Thunderbolt ports, Apple Wireless Keyboard and Magic Mouse, OS X Mountain Lion Processor: Intel Core i7 3.4GHz RAM: 16GB (2x8GB) DDR3 SDRAM Hard Drive: 3TB Fusion Drive Graphics Card: NVIDIA GeForce GTX 680MX graphics Operating System: OS X Mountain Lion