16GB, DDR4, UDIMM, 2666MHz, ECC
DELL AB128227, 16 GB, 2 x 8 GB, DDR4, 2666 MHz, 288-pin DIMM
DELL AB128227. Internal memory: 16 GB, Memory layout (modules x size): 2 x 8 GB, Internal memory type: DDR4, Memory speed: 2666 MHz, Memory form factor: 288-pin DIMM, ECC