Quel Mac avez-vous ? iMac 21.5 (2009-2011) iMac 21.5 (2012) Macbook 13' Macbook Pro 13' Macbook Pro 17' Macbook Air 11' iMac 27 (2009-2011) iMac 27 (2012) Macbook 13' Unibody Macbook Pro 15' Macbook Retina 13' Macbook Air 13'