Memory Type: DDR3 PC3-10600, DDR3 (non-ECC)
Maximum Memory: 16GB
This 15" system may utilize one of the following processors:
2.0GHz, 2.2GHz or 2.3GHz Quad Core Intel Core i7 processor.
Memory or DRAM is the "working" memory of the computer. It's used to store data for programs (sequences of instructions) on a temporary basis.
video - installing memory
Radeon HD6490M or Radeon HD6750M Graphics
External Connector: 15-hole connector
Graphics Card A circuit board fitted to a computer containing the necessary video memory and other electronics to provide a bitmap display. Adaptors vary in the resolution (number of pixels) and number of colours they can display, and in the refresh rate they support. These parameters are also limited by the monitor to which the adaptor is connected.