Apple iMac 2020, Intel Core i5, 8GB RAM, 512GB SSD, AMD Radeon Pro 5300, 27 Inch, MXWU2B/A £1789.99 @ Costco

Retina 5K Display:

27-inch (diagonal) Retina 5K display
5120x2880 resolution with support for 1 billion colours
500 nits brightness
Wide colour (P3)
True Tone technology
Processor:

3.3GHz 6‑core 10th-generation Intel Core i5, Turbo Boost up to 4.8GHz
Storage:

512GB SSD