Olá Brupimentel,
Aparentemente os 3 modelos de Mac mini no site da Apple US apresentam Bivoltagem (110-240V AC).
https://www.apple.com/mac-mini/specs/
Copiado do link acima:
Electrical and Operating Requirements
- Line voltage: 100-240V AC
- Frequency: 50Hz to 60Hz, single phase
- Maximum continuous power: 85W
- Operating temperature: 50° to 95° F (10° to 35° C)
- Storage temperature: -40° to 116° F (-40° to 47° C)
- Relative humidity: 5% to 95% noncondensing
- Operating altitude: tested up to 10,000 feet
- Typical acoustical performance:
Sound pressure level (operator position): 12dBA at idle3
Espero ter ajudado