The exact specs can vary because Sony used this chassis for multiple configurations, but here are the primary specifications for this model family: Core Performance
The PCG-91112M uses a proprietary Sony power adapter (19.5V, 4.7A, round plug with center pin). Replacements are available but not standard universal tips. sony vaio pcg91112m specs
While the hardware configurations of the Sony VAIO PCG-91112M date back to the early 2010s, this laptop remains highly functional for elementary workloads if minor hardware updates are performed: The exact specs can vary because Sony used