Axiom 16GB DDR3-1600 SODIMM Kit (2 x 8GB) for Apple # MD634G/A, ME167G/A - 16 GB (2 x 8 GB) - DDR3 SDRAM - 1600 MHz DDR3-1600/PC3-12800 - 204-pin - SoDIMM

No matter how heavy and numerous the applications that you are using, 1600 MHz memory speed will run them smoothly SoDIMM 16 GB capacity is enough to execute all memory hungry programs simultaneously DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computers performance