This HP 840758-191 compatible 32GB DDR4-2666MHz dual rank registered ECC 1.2V 288-pin CL17 factory original RDIMM is 100% guaranteed to be compatible with your system and to work right the first time...
This HP® 752370-091 compatible 32GB DDR4-2133MHz dual rank registered ECC 1.2V 288-pin CL15 factory original RDIMM is 100% guaranteed to be compatible with your system and to work right the first...