This HP® 647903-B21 compatible 32GB DDR3-1333MHz Quad Rank Load-Reduced ECC 1.35V 240-pin CL9 factory original LRDIMM is 100% guaranteed to be compatible with your system and to work right the first...
This HP 879505-B21 compatible 8GB DDR4-2666MHz single rank unbuffered ECC 1.2V 288-pin CL19 factory original UDIMM is 100% guaranteed to be compatible with your system and to work right the first...