Display: With a 27" 2560 x 1440 LED-backlit 16:9 widescreen IPS display. iMac: Get a refurbished 2015 27" Core i5 iMac - choose 8GB, 16GB or 32GB of RAM! Connectivity: Four USB 3.0 ports, dual Thunderbolt ports, Gigabit Ethernet, 802.11ac Wi-Fi and Bluetooth 4.0. Hard drive: With a 1TB (7200RPM) hard drive for all your apps, files, photos and videos. Features: Plus a FaceTime HD webcam and stereo speakers. Processor: Features a 22 nm "Haswell" Quad Core 3.2 GHz Intel "Core i5" (4570) processor. Operating system: Mac OS Big Sur operating system (released in 2020). 2015 27 Core I5 iMac Computer | 8GB | Living Social