MacBook Pro( early 2011)

The macbook pro core i7 2.0 15-inch (early 2011/thunderbolt) features a 32 nm sandy bridge 2.0 ghz intel core i7 processor (2635qm), with four independent processor cores on a single silicon chip, a 6 mb shared level 3 cache, 4 gb of 1333 mhz ddr3 sdram (pc3-10600) installed in pairs (two 2 gb modules), a 500 gb serial ata (5400 rpm) hard drive, an 8x dl superdrive, dual graphics processors -- an amd radeon hd 6490m with 512mb of dedicated gddr5 memory and an intel hd graphics 3000 graphics processor that shares 384 mb of memory with the system -- and an integrated facetime hd webcam.