Model: Apple iMac A1418 (MF883LL/A) Refurbished Desktop 21.5"Processor(s): Intel Core i5-4570R 1.4GHz Quad CoreOperating System: macOS Big SurDisplay: 21.5-inch glossy 16:9 LED-backlit TFT Active Matrix LCD (1920 x 1080 native) with IPS technology"Storage Capacity: Your choiceOnboard RAM: 8GBCamera: Built-in "FaceTime HD" video cameraGraphics: Intel Iris HD 5000Audio: Integrated High Definition AudioNetworking: Ethernet, AirPort Extreme (802.11n) 802.11a/b/g compatible, Bluetooth 4.0Ports: 4 x USB 3.0, built-in AirPort Extreme, 1x Gigabit Ethernet, 1x SDXC card slot, 2x "Thunderbolt", 3.5mm audio input and outputIncluded Items: 2nd Gen wireless Keyboard and Mouse 2nd Gen