The M4 Professional Mac Mini can deal with up to a few 6K-resolution screens at 60Hz over Thunderbolt and HDMI. Alternately, to get a two-display screen configuration, it can perform a person 6K 60Hz screen around Thunderbolt in addition to both an 8K 60Hz or 4K 240Hz monitor more than Thunderbolt or HDMI.macOS Monterey is engineered to unleash the