MD878B/A Certified Memory for Apple Mac Pro 6-core 3.5GHz Late 2013-2016 16GB kit (2x8GB) DDR3 1866MHz PC3-14900 240-Pin ECC Reg. RAMSize/Capacity: 16GB kit (2x8GB)Speed: PC3-14900 (DDR3-1866)Pins: 240Form: ECC RegisteredWarranty: Lifetime Replacement | 30 Day Money Back GuaranteeAll of our products are certified for your system. If at anytime you have a question on compatibility, or if this part is right for your specific computer, contact us ASAP through \'s messaging system. We will get you the correct answer!Made from the highest quality components, ARCH MEMORY brand modules are designed to increase productivity and help your computer work faster. Arch Memory products are engineered to meet industry standard specifications and rigorously tested to ensure quality. Backed by a lifetime warranty and legendary reliability, Arch Memory RAM is your best choice for upgrading your computer\'s memory.