DDR4S*Replacement for M471a 2K43BB1-CTD, M471a 2K43CB1-CTD, M471a 2K43DB1-CTD, M471a 2K43EB1-CTD, M474a 2K43BB1-CTD, M474a 2K43DB1-CTD, HMA82GS6CJR8N-VK, MTA18ASF2G72HZ-2G6, MTA16ATF2G64HZ-2G6, CT16G4SFRa 266, CT16G4S266M for Mac*2 Year Replacement Warranty Included Please contact us for any compatibility questions. Made from the highest quality components, RigidRAM Memory components are designed to increase productivity and help your computer work faster. RigidRAM products are engineered to meet industry standard specifications and rigorously tested to ensure quality. Backed by free technical support, a 2 Year Replacement Warranty and legendary reliability, RigidRAM Memory is your best choice for upgrading your computer\'s memory.

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