Cool-See NEW HDD Hard Drive Cable with Bracket 821-1226-A 922-9771 fits MacBook Pro 13 inch A1278 2011 Description: Connects hard drive to logic board Compatibility: MacBookPro8,1 Early 2011 (MC700LL/A, MC724LL/A) Compatibility: MacBookPro8,1 Late 2011 (MD313LL/A, MD314LL/A) Compatibility: MacBookPro8,1 Late 2011 (MD313LL/A, MD314LL/A) Compatibility: MacBookPro8,1 Late 2011 (MD313LL/A, MD314LL/A)