Apple 21.5" iMac with Retina 4K, Intel Core i5 | 3.0GHz 6-core8GB DDR4 | 256GB SSD | (4096x2304) Retina 4K display (ambient light sensor)FaceTime HD camera (Two Thunderbolt 3) | MAC OS (Turbo Boost up to 4.1GHZ)Built-in stereo speakers, Microphone | Radeon Pro 560X with 4GB VRAMApple Magic Keyboard and Apple Magic Mouse 2 | WIFI, BLUETOOTH(MHK33LL/..