17-Inch "Sandy Bridge" 2.5 GHz Intel "Core i7" processor, with four independent processor "cores" on a single silicon chip,
an 8 MB shared level 3 cache,
16GB of 1333 MHz DDR3 SDRAM (PC3-10600) installed in pairs (one 8GB one 8GB
UPGRADED 512GB SOLID STATE HARD DRIVE
an 8X DL "SuperDrive",
Dual graphics processors -- an AMD Radeon HD 6770M with 1 GB of dedicated GDDR5 memory
Intel Graphics 3000 graphics processor that shares 384 MB of memory with the system -- and an integrated FaceTime HD webcam.