Samsung RF511-S02 15.6-Inch Laptop (Brilliant Black) Intel Core i7-2630M Processor NVIDIA GeForce GT540M (Optimus) with 1GB DDR3 Graphic Memory 4GB DDR3 System Memory (8GB Max) with 2 Memory Slots 500GB Hard Drive Capacity 15.6 LED-backlit LCD HD display with 1366 x 768 Resolution