<ul><li>2.5GHz dual-core Intel Core i5 processor (Turbo Boost up to 3.1GHz) with 3MB L3 cache</li><li>4GB of 1600MHz DDR3 memory</li><li>Configurable to 8GB</li><li>Intel HD Graphics 4000</li><li>Dual display and video mirroring: Simultaneously supports full native resolution on the built-in display and up to 2560 by 1600 pixels on an external display, both at millions of colors</li><li>Native Mini DisplayPort output</li><li>DVI output using Mini DisplayPort to DVI Adapter (sold separately)</li><li>VGA output using Mini DisplayPort to VGA Adapter (sold separately)</li><li>Dual-link DVI output using Mini DisplayPort to Dual-Link DVI Adapter (sold separately)</li><li>HDMI audio and video output using third-party Mini DisplayPort to HDMI Adapter (sold separately)</li><li>720p FaceTime HD camera</li><li>MagSafe power port</li><li>Gigabit Ethernet port</li><li>FireWire 800 port (up to 800 Mbps)</li><li>Two USB 3 ports (up to 5 Gbps)</li><li>Thunderbolt port (up to 10 Gbps)</li><li>Headphone port</li><li>SDXC card slot</li><li>Kensington lock slot</li><li>8x SuperDrive</li><li>802.11n Wi-Fi wireless networking;3 IEEE 802.11a/b/g compatible</li><li>Bluetooth 4.0 wireless technology</li><li>Stereo speakers with subwoofer</li><li>Omnidirectional microphone</li><li>Headphone portSupport for Apple iPhone headset with remote and microphone</li><li>Support for audio line out (digital/analog)</li><li>Full-size backlit keyboard with 78 (U.S.) or 79 (ISO) keys, including 12 function keys and 4 arrow keys (inverted “T” arrangement) with ambient light sensor</li><li>Multi-Touch trackpad for precise cursor control; supports inertial scrolling, pinch, rotate, swipe, three-finger swipe, four-finger swipe, tap, double-tap, and drag capabilities</li><li>Up to 2 hours</li><li>Built-in 63.5-watt-hour lithium-polymer battery</li><li>60W MagSafe Power Adapter with cable management system; MagSafe power port</li><li>Line voltage: 100V to 240V AC</li><li>Frequency: 50Hz to 60Hz</li><li>Operating temperature: 50° to 95° F (10° to 35° C)</li><li>Storage temperature: –13° to 113° F (–24° to 45° C)</li><li>Relative humidity: 0% to 90% noncondensing</li><li>Operating altitude: tested up to 10,000 feet</li><li>Maximum storage altitude: 15,000 feet</li><li>Maximum shipping altitude: 35,000 feet</li></ul>