All aluminum Unibody design. Max OS X Lion 10.7.5 pre-installed. Intel Core i5-2435M 2.4 GHz dual-core processor w/Hyper-Threading. Max Turbo Frequency: 3.0 GHz. 4 GB 1333 MHz DDR3 RAM (8 GB Max RAM). 500 GB hard drive (5400 RPM). Slot-loading 8x DVD±RW DL SuperDrive. Intel HD Graphics 3000 (384 MB of shared memory). Integrated audio with built-in stereo speakers. Built-in omnidirectional microphone. Built-in 10/100/1000 Gigabit Ethernet. Built-in AirPort Extreme Wireless-N (802.11a/b/g/n). Built-in Bluetooth 2.1 + EDR (Enhanced Data Rate) module.
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