The iMac "Core i5" 3.5 27-Inch Aluminum (Late 2014/Retina 5K) features a 22 nm "Haswell" Quad Core 3.5 GHz Intel "Core i5" (4690) processor with four independent processor cores on a single chip, a 6 MB shared level 3 cache, 8 GB of 1600 MHz DDR3 SDRAM (PC3-12800) installed in pairs (two 4 GB modules), a 1 TB "Fusion Drive" (1 TB hard drive and 128 GB SSD), and a AMD Radeon R9 M290X graphics processor with 2 GB of dedicated GDDR5 memory. It also has a built-in "FaceTime HD" webcam and stereo speakers, but lacks an optical drive

This model has a 27" 5120x2880 LED-backlit 16:9 widescreen IPS display that Apple has dubbed "Retina 5K". The rear of the case is aluminum and is thicker in the middle and tapers to a razor thin 5 mm at the edges.