iMac (Retina 4K, 27-inch, Late 2014) 1TB HD - 4.0 GHz Core i7 - 24GB DDR3 RAM AMD Radeon R9

Current OS version running: MacOS Catalina Version 10.15.7. 

Includes original box, replacement apple keyboard and magic mouse. Runs great!

iMac (Retina 5K, 27-inch, Late 2014)

Processor 4 GHz Quad-Core Intel Core i7

Memory 24 GB 1600 MHz DDR3

Graphics AMD Radeon R9 M290X 2

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, 24 GB of 1600 MHz DDR3L SDRAM (PC3-12800) installed, 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.