TRIM Support: Yes. MacBookAir5,2 Mid 2012: MD232LL/A (2.0 GHz Core i7). MacBookAir5,2 Mid 2012: MD232LL/A (1.8 GHz Core i5). MacBookAir5,2 Mid 2012: MD231LL/A (1.8 GHz Core i5). MacBookAir5,2 Mid 2012: MD628LL/A (1.7 GHz Core i5).
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