iMac: Get a refurbished 2014/2015 21.5" Core i5 iMac with 8GB RAM! Storage options: Choose 500GB HDD, 1TB HDD or 256GB SSD. Display: With a 21.5" 1920 x 1080 native LED-backlit 16:9 widescreen IPS display. Connectivity: Four USB 3.0 ports, dual Thunderbolt 2 ports, Gigabit Ethernet, 802.11ac Wi-Fi (802.11a/b/g/n compatible), and Bluetooth 4.0. Operating system: Mac OS Big Sur operating system (released in 2020). Processor: 14-nm "Broadwell" 1.6 GHz Intel "Core i5" processor (5250U). Features: Plus a FaceTime HD webcam and stereo speakers. 2014/2015 21.5" Core I5 iMac Computer | 8GB | Living Social