The only issue is the very light pink tint at the far edges of the display only noticeable when the background is turned white/grey. This is common with most of these 4K models and doesn't affect any display.
Apple iMac 21.5" 2017 4K Retina - 3.4GHz i5-8GB RAM - 1TB Fusion Drive - Radeon 560 4GB (Refurbished)
2017 Apple iMac 21.5” Retina 4K Display Intel Core i5, 8GB Ram 1 TB Fusion Drive
2017 Apple iMac with Core i5 2.3GHz (21.5-inch, 8GB RAM, 1TB HDD) (Renewed)
Mid-2017 Apple iMac with 3.4GHz quad-core Intel Core i5 (27-inch, 8GB RAM, 1TB) - Silver (Renewed)
