M4-based mac mini's (256GB storage) have Thunderbolt 4. If you need/require Thunderbolt 5, you'll have to step up from $599 to $1399+ for the M4 Pro-based mac

M4-based mac mini's (256GB storage) have Thunderbolt 4. If you need/require Thunderbolt 5, you'll have to step up from $599 to $1399+ for the M4 Pro-based mac mini's.