iMac 2017 27" Retina 5K

Selling my wifes iMac that she has only used a handful of times. Prestine condition. OBO
https://support.apple.com/kb/SP760

Display
Retina 5K display
27-inch (diagonal) Retina 5K display
5120‑by‑2880 resolution with support for one billion colors
500 nits brightness
Wide color (P3)

Processor
3.5GHz quad‑core Intel Core i5 (Turbo Boost up to 4.1GHz)

Memory
3.5GHz
8GB (two 4GB) of 2400MHz DDR4 memory; four SO-DIMM slots, user accessible
Configurable to 16GB, 32GB, or 64GB

Storage
3.5GHz
1TB Fusion Drive
Configurable to 2TB or 3TB Fusion Drive or 256GB, 512GB, or 1TB SSD

Graphics
3.5GHz
Radeon Pro 575 with 4GB of VRAM

Video Support and Camera
FaceTime HD camera
Simultaneously supports full native resolution on the built-in display at 1 billion colors and:
One 5120‑by‑2880 (5K) external display at 60Hz with support for 1 billion colors, or
Two 3840-by-2160 (4K UHD) external displays at 60Hz with support for 1 billion colors, or
Thunderbolt