13.3" LED-backlit glossy screen. 
• 2.4GHz "Sandy Bridge" Intel Core i5 processor with two independent processor cores on a single silicon chip, a 3 MB shared level 3 cache.   
• Intel HD Graphics 3000 graphics processor that shares memory with the system.
• 500GB HARD DRIVE!
• 4GB RAM!
• 8x slot-loading SuperDrive with double-layer DVD support (DVD±R DL/DVD±RW/CD-RW)
• Built-in 720p FaceTime HD camera for video chatting
• Wi-Fi wireless networking (based on 802.11a/b/g/n, 450Mbit)
• Gigabit Ethernet wired networking (10/100/1000)
• Bluetooth 2.1+EDR
• Two USB 2.0 ports
• FireWire 800 port.
• SDXC card slot
• Thunderbolt port that is backwards compatible with Mini DisplayPort and, likewise, supports an external display at 2560x1600 and passes an audio signal.   (Thunderbolt also supports other peripherals that use the Thunderbolt standard which provides up to 10 Gbps of bandwidth in both directions.)
• 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.
• Stereo speakers with subwoofers.
• Dimensions: 12.78 x 8.94 x 0.95 inches.
• Weight: 4.5 pounds.