CORSAIR Mac Memory 16GB (2x 8GB) DDR3 DRAM 1600MHz C11 CORSAIR Mac Memory 16GB 1600MHz DDR3 memory kit for Apple iMac MacBook MacBook Pro IMac and Mac mini. Tested at Apples compatibility lab to ensure functionality with all mid 2011 and new systems. Adding system memory is one of the most effective ways to improve overall performance and Corsair's Mac Memory offers a solid tested solution with a limited lifetime warranty.