OPTIMAL PERFORMANCE ON MACCORSAIR Mac Memory is specifically engineered and rigorously lab-tested at high stress levels and temperatures to guarantee compatibility and optimal performance on Mac systems.INCREASE PRODUCTIVITYToday’s applications demand large amounts of high-performance memory to run at peak efficiency. Save time and increase your productivity by improving your system’s performance with extra memory, so you spend less time rendering and buffering – and more time working or playing.