|The iMac 2.8 21.5-Inch Aluminum Late 2015 features a 14-nm Broadwell Quad Core 2.8 GHz Intel Core i5 processor with four independent processor cores on a single chip, a 4 MB shared level 3 cache, 8 GB of onboard 1867 MHz LPDDR3 SDRAM, a 1 TB hard drive, and an integrated Intel Iris Pro 6200 graphics processor that shares system memory. It also has a built-in FaceTime HD webcam and stereo speakers.
This model has a 21.5″ 1920×1080 LED-backlit 16:9 widescreen IPS display with a fully laminated glass cover and an anti-reflective coating.
Connectivity includes four USB 3.0 ports, dual Thunderbolt 2 ports, Gigabit Ethernet, 802.11ac Wi-Fi, and Bluetooth 4.0.
Please note that these ultra thin iMacs do not include an optical (DVD/CD) Drive
Unit comes pre-installed with Mac OS X Sierra but capable of upgrading to the latest OS (High Sierra) free of charge through the built in App Store.