Processor Processor Type Intel Core i7 Processor Speed 2.70 GHz Number of Cores Quad-Core Display Display Technology Retina Display Display Size 15.4" Display Max. Resolution 2880 x 1800 Technical Features Expansion Ports 2 x Thunderbolt Port, 2 x USB 3.0, HDMI Hard Drive Hard Drive Capacity 512 GB Memory Installed RAM 16 GB RAM Technology GDDR5 RAM Speed 1600 MHz Video Graphic Processor Intel HD Graphics 4000, NVIDIA GeForce GT 650M Audio Audio Output Type Headphones, Speakers Audio Input Type Microphone Networking Networking Type Integrated Wireless LAN Data Link Protocol IEEE 802.11a, IEEE 802.11b, IEEE 802.11g Battery Battery Run Time Up to 7 Hours Battery Technology Lithium polymer Dimensions Depth 9.73 in. Width 14.13 in. Weight 4.46 lb. Miscellaneous Release Date February, 2013 Input Method Keyboard, Trackpad Exterior Color Silver