I/O board contains ports for HDMI, SDXC, and USB 3.0. MacBookPro11,1 Mid 2014: MGX72LL/A (2.6 Core i5). MacBookPro11,1 Mid 2014: MGX92LL/A (2.8 Core i5). MacBookPro11,1 Mid 2014: MGX92LL/A (3.0 Core i7).
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