Check whether this RAM is compatible with the memory that is now installed in your Mac.
The Corsair Apple Mac 16GB SODIMM DDR3-1333 2x 8GB dual channel memory kit is designed for Apple laptops. This DDR3 module has aluminum heat spreaders that ensure rapid heat dissipation. The Corsair Apple Mac 16GB SODIMM DDR3-1333 2x 8GB has a speed of 1,333MHz.
Suitable for MacBook/MacBook Pro from 2011.
Suitable for iMac of mid 2011.