Macboo Pro Retina 15" Late 2012 model - purchased in Late 2013 8GB System Memory (RAM) 512GB Brand-new PCi SSD 2.3 GHz - 3.3 GHz TurboBoost i7 CPu Connectivity includes 3-stream AirPort Extreme (802.11a/b/g/n), Bluetooth 4.0, two USB 3.0 ports, two "Thunderbolt" ports, an HDMI port, an audio in/out port, and an SDXC card slot. Firewire and Gigabit ethernet are available via adapters. Running Mac Catalina Power adapter Delivery could be possible...