Apple iMac 27" A1419 (5K Mid-2017) Retina i5-7600K 3.8GHz, 8GB RAM, 2TB Fusion

Specs at a Glance:

• 27" 5120x2880 LED-backlit 16:9 widescreen IPS DCI-P3 "Retina 5K" display.
• Intel Core 3.8GHz quad-core "Kaby Lake" processor
• 8GB DDR4 SDRAM
• 2TB Fusion Drive
• Radeon Pro 580 graphics processor
• FaceTime HD Camera
• our USB 3.0 ports, dual Thunderbolt 3 (USB-C) ports, Gigabit Ethernet
• 802.11ac Wi-Fi, and Bluetooth 4.2
• macOS 10.15 High Sierra
• Apple Wireless Keyboard and Magic Mouse

More spec details below, courtesy of our friends at EveryMac.

The iMac "Core i5" 3.8 27-Inch Aluminum (Retina 5K, Mid-2017/Kaby Lake) features a 14-nm "Kaby Lake" 3.8 GHz Intel "Core i5" processor (7600K) with four independent processor "cores" on a single chip, a 6 MB shared level 3 cache, 8 GB of easy to upgrade 2400 MHz DDR4 SDRAM, a 2 TB Hard Drive+SSD "Fusion" drive, and a Radeon Pro 580 graphics processor with 8 GB of dedicated VRAM. It also has a built-in "FaceTime HD" webcam and stereo speakers.

This model has a 27" 5120x2880 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 3 (USB-C) ports, Gigabit Ethernet, 802.11ac Wi-Fi, and Bluetooth 4.2.

Compared to its predecessor, this model essentially has the same external enclosure, but it has a more advanced processor and architecture, a much faster video card, a brighter display, and Thunderbolt 3 (USB-C) ports.