32GB DDR4-2666-MHZ LRDIMM/PC4-21300/DUAL RANK/X4/1.2V
64GB DDR4-2666-MHZ LRDIMM/PC4-21300/QUAD RANK/X4/1.2V
64GB DDR4-2666-MHZ LRDIMM/QUAD RANK/X4/1.2V. MICRON ONLY
64GB DDR4-2933-MHZ LRDIMM/4RX4/1.2V
INTEL OPTANE DC PERSISTENT MEMORY, 128GB, 2666MHZ
INTEL OPTANE PERSISTENT MEMORY, 128GB, 3200MHZ
INTEL OPTANE DC PERSISTENT MEMORY, 256GB, 2666MHZ
INTEL OPTANE PERSISTENT MEMORY, 256GB, 3200MHZ
INTEL OPTANE DC PERSISTENT MEMORY, 512GB, 2666MHZ