I have the i7 / 16GB / 256GB connected to the 23.7" LG UltraFine 4K monitor, which is hooked into the Blackmagic eGPU. It's a lovely quiet setup with plenty of power. The GPU performance is pretty underwhelming, which is why I picked up a mint condition Blackmagic eGPU for photo editing. I like the modular aspect of the Mini setup - I was worried with an iMac I'd have all my eggs in one basket and if I wanted to upgrade any aspect of it then it's a completely new machine even if the rest of it is perfectly fine.
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