Apple iMac 27" A1419 (5K Late-2014) Retina i7-4790K 4GHz, 32GB RAM, 3TB Fusion

Specs at a Glance:

• 27-inch DCI-P3 "Retina 5K" Resolution LED-backlit display (5120*2880 resolution)
• Intel Core i7-4790K 4GHz quad-core "Haswell" processor
• 32GB DDR3 RAM
• 3TB Fusion Hard Drive
• AMD Radeon R9 M290X Graphics
• FaceTime HD Camera
• Four USB 3, two Thunderbolt 2 (Airplay supported), Gigabit Ethernet and SDXC card slot
• Wi-Fi 802.11ac and Bluetooth 4.0
• macOS 10.13 High Sierra
• Apple Wireless Keyboard and Magic Mouse

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

The iMac "Core i7" 4.0 27-Inch Aluminum (Late 2014/Retina 5K) features a 22 nm "Haswell" Quad Core 4.0 GHz Intel "Core i7" (4790K) processor with four independent processor cores on a single chip, an 8 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.

Connectivity includes four USB 3.0 ports, dual Thunderbolt 2 ports, Gigabit Ethernet, 802.11ac Wi-Fi (802.11a/b/g/n backwards compatible), and Bluetooth 4.0.