iMac 27 A1419-2834 Core-i7 Late-2015, 32GB, 512GB SSD, 4GB Graphics, 5K, Silver

The iMac “Core i7” 4.0 27-Inch Aluminum (Retina 5K, Late 2015/Skylake) features a 14-nm “Skylake” Quad Core 4.0 GHz Intel “Core i7” processor (6700K) with four independent processor “cores” on a single chip, an 8 MB shared level 3 cache, 32 GB of 1867 MHz LPDDR3 SDRAM (PC3-14900) , 512GB SSD, and an AMD Radeon R9 M390 or AMD Radeon R9 M395 graphics processor with 4 GB of dedicated GDDR5 memory. It also has a built-in “FaceTime HD” webcam and stereo speakers.

This model has a 27″ 5120×2880 LED-backlit 16:9 widescreen IPS DCI-P3 “Retina 5K” display. 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 2 ports, Gigabit Ethernet, 802.11ac Wi-Fi (802.11a/b/g/n compatible), and Bluetooth 4.0.