Macbook pro unibody 13” 2.3 ghz early 2011 mc700ll/a – a1278. 2.7 ghz early 2011 mc724ll/a – a1278. 2.4 ghz late 2011 md313ll/a – a1278. 2.8 ghz late 2011 md314ll/a – a1278. 2.5 ghz mid 2012 md101ll/a – a1278.
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