|The iMac 3.4Ghz 27-Inch Aluminum Late 2013 features a 22 nm Haswell Quad Core 3.4 GHz Intel Core i5 processor with four independent processor cores on a single chip, a 6 MB shared level 3 cache, 8 GB of 1600 MHz DDR3 SDRAM installed in pairs, a 1 TB hard drive, and a NVIDIA GeForce GTX 775M graphics processor with 2 GB of dedicated GDDR5 memory. It also has a built-in FaceTime HD webcam and stereo speakers.
This model has a 27″ 2560×1440 LED-backlit 16:9 widescreen IPS display with the cover glass fully laminated to the LCD and anti-reflective coating. The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.
Connectivity includes four USB 3.0 ports, dual Thunderbolt 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.