DELL 0H5P71-REF, 8 GB, 1 x 8 GB, DDR4, 2133 MHz, 288-pin DIMM DELL 0H5P71-REF. Internal memory: 8 GB, Memory layout (modules x size): 1 x 8 GB, Internal memory type: DDR4, Memory clock speed: 2133 MHz, Memory form factor: 288-pin DIMM, ECC