The M4 Professional Mac Mini can handle up to 3 6K-resolution screens at 60Hz above Thunderbolt and HDMI. Alternately, for just a two-display configuration, it can perform 1 6K 60Hz display screen more than Thunderbolt together with possibly an 8K 60Hz or 4K 240Hz screen more than Thunderbolt or HDMI. https://garrettlquwx.blogsvirals.com/31913921/the-greatest-guide-to-ajm-slot