MacBook pro 15" - Mid 2012 OS: Catalina (10.11.7) Model: Macbook Pro 15" Mid 2012 CPU: Intel Core I7 @ 2.3 Ghz with Turboboost 8 GB DDR3 ram 1600 mhz 251gb SSD Apple OEM LCD: 15.4" GPU's: Intel HD Graphics 4000 series and NVIDIA GT 650M Power: Magsafe 2 Backlit keyboard 2x Thunderbolt port 2x USB 3 ports