MacBook Pro 15 Inch Retina (2012) - i7 2.3GHz 8GB 256GB

The MacBook Pro "Core i7" 2.3 15-Inch (Mid-2012 Retina Display) features a 22 nm "Ivy Bridge" 2.3 GHz Intel "Core i7" processor (3615QM), with four independent processor "cores" on a single silicon chip, a 6 MB shared level 3 cache, 8 GB of onboard 1600 MHz DDR3L SDRAM (which cannot be upgraded after purchase), 256 GB of flash storage, dual graphics processors -- a NVIDIA GeForce GT 650M with 1 GB of dedicated GDDR5 memory and an "integrated" Intel HD Graphics 4000 graphics processor that shares system memory, as well as an integrated 720p FaceTime HD webcam. It does not have an internal optical drive.

The MacBook Pro "Core i7" 2.6 15-Inch (Mid-2012 Retina Display) features a 22 nm "Ivy Bridge" 2.6 GHz Intel "Core i7" processor (3720QM), with four independent processor "cores" on a single silicon chip, a 6 MB shared level 3 cache, 8 GB of onboard 1600 MHz DDR3L SDRAM (which cannot be upgraded after purchase), 512 GB of flash storage, dual graphics processors -- a NVIDIA GeForce GT 650M with 1 GB of dedicated GDDR5 memory and an "integrated" Intel HD Graphics 4000 graphics processor that shares system memory, as well as an integrated 720p FaceTime HD webcam. It does not have an internal optical drive.

The MacBook Pro "Core i7" 2.7 15-Inch (Mid-2012 Retina Display) features a 22 nm "Ivy Bridge" 2.7 GHz Intel "Core i7" processor (3820QM), with four independent processor "cores" on a single silicon chip, an 8 MB shared level 3 cache, 8 GB of onboard 1600 MHz DDR3L SDRAM (which cannot be upgraded after purchase), 256 GB or 512 GB of flash storage (256 GB option available starting August 2, 2012), dual graphics processors -- a NVIDIA GeForce GT 650M with 1 GB of dedicated GDDR5 memory and an "integrated" Intel HD Graphics 4000 graphics processor that shares system memory, as well as an integrated 720p FaceTime HD webcam. It does not have an internal optical drive.