: Upgrading the memory modules from 4 GB to the maximum 8 GB DDR3 configuration provides the system room to run web browsers efficiently.
3.5mm Microphone-in jack; 3.5mm Headphone-out jack. Power, Dimensions, and Physical Attributes sony vaio pcg91112m specs
Integrated stereo speakers with Dolby Home Theater v3 audio processing. : Upgrading the memory modules from 4 GB