Usb c power supply for 15 in mac book pro

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The picture below shows several features that can help distinguish the charger from counterfeits: the Apple logo in the case, the metal (not plastic) ground pin on the right, and the serial number next to the ground pin. The SSD removed from a 2010/2011 model will not fit into 2012 or 2013-Current year enclosure and vice versa.

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SSDs installed in MacBook Air (2010/2011), MacBook Air (2012) and MacBook Air (2013/2014/2015/2017) models are different, even though they look similar.