Memory 32GB Ddr4-2666-MHz LrDIMM Pc4-21300/dual Rank/x4/1.2v
Memory - 64GB Ddr4-2666-MHz LrDIMM /pc4-21300/quad Rank/x4/1.2v
Memory - 32GB Ddr4-2666-MHz RDIMM Pc4-21300/dual Rank/x4/1.2v
Memory - 128GB Ddr4-2666-MHz Tsv-rDIMM Pc4-21300/octal Rank/x4/1.2v