OWCDID2627DS256 - OWC 256.0GB 4 X 64GB 2666MHZ DDR4 LRDIMM PC4-21300 288-PIN CL19 MEM UPGKIT FOR IMAC

IMPROVE SYSTEM SPEED OWC Memory is the most cost effective and simple DIY upgrade you can install to unleash your Mac's full potential and speed up overall responsiveness. MORE APPS. MORE FILES Become a multi-tasking maven when you upgrade your Mac with OWC Memory. Open more apps. Open larger files. Plus, work with multiple files all at the same time. SAVE $$S VS FACTORY Save BIG vs factory Mac memory options. Plus, select among options not offered by the factory. OWC makes it easy to find the perfect upgrade to fit your needs. LAB TESTED COMPATIBILITY We test every OWC memory module at our in-house lab so you can upgrade with the confidence that your memory is 100% compatible with your Mac. LIFETIME WARRANTY We build OWC Memory upgrades to meet or exceed Apple's specs and provide years of worry-free service. STEP-BY-STEP VIDEOS Our detailed install videos guide your upgrade from start to finish. We provide all the steps to make your OWC Memory upgrade DIY easy.