Processor (CPU): Intel Core i5 (3rd Gen) Dual-Core 2.5GHz RAM: 16GB DDR3 1600MHz Storage Capacity: SSD disk – (Faster than HDD, excellent for performance) Graphics Card (GPU): Intel HD Graphics 4000 Shared graphics memory 1536MB Operating System: macOS Catalina (version 10.15.7) This is the latest official version supported by this device Price as per God's will, I ask not to lowball Good luck to everyone ❤️