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