Great Condition. Powered by a Quad Core 2.8 GHz Intel "Core i5" I5-760 (Lynnfield) processor with a dedicated 256k level 2 cache for each core and an 8 MB shared level 3 cache. In lieu of a system bus, it has a "Direct Media Interface" (DMI) that "connects between the processor and chipset" at 2.5 GT/s.
By default, it is configured with 4 GB of RAM (1333 MHz PC3-10600 DDR3 SDRAM), a 1 TB (7200 RPM) hard drive, a vertically-mounted slot-loading DVD�R DL "SuperDrive", and ATI Radeon HD 5750 graphics with 1 GB of dedicated GDDR5 memory.
It also has a built-in iSight video camera and built-in stereo speakers underneath the 27" glossy 16:9 LED-backlit TFT Active Matrix LCD (2560x1440 native) display "with IPS technology".
Connectivity includes four USB 2.0 ports, a Firewire "800" port, built-in AirPort Extreme, and Gigabit Ethernet, as well as an audio capable Mini DisplayPort, which supports an external display up to 30" (2560x1600).