Apple's 27" big screen iMac3GHz quad-core Core i5

Apple's 27" big screen iMac3GHz quad-core Core i5 The iMac "Core i5" 3ghz 27-Inch Aluminum is powered by a 3 GHz Quad Core Intel "Core i5" I5-750 (Lynnfield/Nehalem) processor with a dedicated 256k level 2 cache for each core and an 8 MB shared level 3 cache.

By default, it is configured with 4 GB of RAM (1600 MHz PC3-8500 DDR3 SDRAM), a 1 TB (7200 RPM) hard drive, a vertically-mounted slot-loading DVD±R DL "SuperDrive", and ATI Radeon HD 4850 graphics with 1012 MB of dedicated GDDR3 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 a Mini DisplayPort, which supports an external display up to 30" (2560x1600). This model also "supports input from external DisplayPort sources" with adapters, so it can be used as an external display for DisplayPort-equipped devices as well as a computer.