The Patriot 16GB (2x 8GB) DDR3 PC3-12800 1600MHz Unbuffered SODIMM Memory Module Kit is a built and tested for Apple's Mac platform, Patriot Memory's Signature Apple Line DDR3 Non-ECC Unbuffered SODIMM Kit delivers the quality, reliability and performance expected for today's computer needs. These 16GB (2 x 8GB) kits are designed to run at PC3-12800 (1600Hz) at CAS 11 latency timings. Built using specific bill-of-materials (BOMs), Patriot ensure that every module meets and exceeds industry standards: offering you a hassle free upgrade. Patriot certify every component that goes into modules, including the modules themselves, which must pass strict standards to ensure compatibility, quality and reliability.