Featuring the Top-End 3.5GHz Quad Core i7 processor and NVIDIA GTX 780M 4GB Dedicated GFX, 3.2TB Fusion, and 32GB RAM of 1600MHz RAM and a Very Strong Benchmark Score of 3,507! Model: A1419 Apple iMac Razor 27" (Late 2013 model / MF125LL/A) 3.5GHz Quad-Core Intel Core i7 processor with Turbo Boost speeds up to 3.9GHz 32GB Apple 1600MHz DDR3 SDRAM (8GB x 4 Modules, 3TB Apple brand Fusion Drive NVIDIA GeForce GTX 780M 4GB GDDR5 Dedicated Graphics 27" LED-backlit (2560 x 1440) 16:9 widescreen IPS display Built-in Bluetooth Adapter, Built-in Camera, Built-in Microphone, Built-in Speakers, Built-in Wi-Fi Adapter Dual Thunderbolt ports, 4 USB 3.0 ports, SD Card, Gigabit Ethernet, Bluetooth 4.0 wireless Apple Magic Keyboard Magic Mouse macOS 10.15.7 Catalina. The aluminum casing tapers to a razor-thin 5mm at the edges