Compatible for: MacBook Pro 13″ Unibody A1278 2008 2009 2010 2011 2012 2013 2014 2015 Year MacBook Pro “Core i5″ 2.5 13” Mid-2012 MacBook Pro “Core i7″ 2.9 13″ Mid-2012 MacBook Pro 13.3″ 2.8GHz Core i7 (MD314LL/A, A1278, MacBookPro8,1) – Late 2011 MacBook Pro 13.3″ 2.3GHz Core i5 (MC700LL/A, A1278, MacBookPro8,1) – Early 2011 MacBook Pro 13.3″ 2.7GHz Core i7 (MC724LL/A, A1278, MacBookPro8,1) – Early 2011 MacBook Pro 13.3″ 2.4GHz Core i5 (MD313LL/A , A1278, MacBookPro8,1) – Late 2011 MacBook Pro 13.3″ 2.4GHz Core 2 Duo (MC374LL/A, A1278, MacBookPro7,1) – Mid 2010 MacBook Pro 13.3″ 2.66GHz Core 2 Duo (MC375LL/A, A1278, MacBookPro7,1) – Mid 2010 MacBook Pro 13.3″ 2.26GHz Core 2 Duo (MB990LL/A, A1278, MacBookPro5,5) – Mid 2009 MacBook Pro 13.3” 2.53GHz Core 2 Duo (MB991LL/A, A1278, MacBookPro5,5) – Mid 2009 MacBook Pro “Core 2 Duo” 2.26 13″ (SD/FW) (09) MacBook Pro “Core 2 Duo” 2.53 13″ (SD/FW)(09) MacBook Pro “Core 2 Duo” 2.4 13″ Mid-2010 MacBook Pro “Core 2 Duo” 2.66 13″ Mid-2010 MacBook Pro “Core i5″ 2.3 13” Early 2011 MacBook Pro “Core i5″ 2.4 13” Late 2011 MacBook Pro “Core i7″ 2.7 13” Early 2011 MacBook Pro “Core i7″ 2.8 13” Late 2011 MacBook Pro “Core i5″ 2.5 13” Mid-2012 MacBook Pro “Core i7″ 2.9 13” Mid-2012