Timetec 16GB KIT(2x8GB) Compatible for Apple DDR3 1333MHz PC3-10600 CL9 for Mac Book Pro (Early/Late 2011 13/15/17 inch), iMac(Mid 2010, Mid/Late 2011 21.5/27 inch), Mac Mini(Mid 2011) MAC RAM Upgrade

NOTE: iMac Mid 2010 27 inch iMac 11,3 (3.2 GHz) and 21.5 inch iMac 11,2 (3.06 GHz/ 3.2 GHz/ 3.6 GHz) ONLY SUPPORT 4GB, DO NOT SUPPORT 8GB.DDR3 1333MHz PC3-10600 204 Pin Unbuffered Non-ECC 1.5V CL9 Dual Rank 2Rx8 based 512x8 Module Size: 16GB KIT(2x8GB Modu