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The 16GB (2 x 8GB) 204-Pin SODIMM DDR3 PC3-12800 Memory Module Kit (Mac) from Crucial Technology helps increase the speed of notebook computers and other small form factor computing platforms significantly by providing 2 modules of 8GB with DDR3 memory. Increasing your computer's RAM enables more applications to run simultaneously without system glitches.
Synchronous Dynamic RAM (SDRAM) delivers superior performance