HP 48GB (1 x 16GB + 1 x 32GB) DDR4-2133 CAS-15-15-15 load reduced memory FIO kit
774174-001 - 32GB PC4-2133P-L - Load Reduced DIMM (LRDIMM), Synchronous Dynamic Random Access Memory (SDRAM) module, DDR4, organized as 4Gx72
774173-001 - 16GB, 2133MHz, PC4-2133P-L, DDR4, dual-rank x4, 1.20V, CAS-15-15-15, load reduced dual in-line memory module (LRDIMM)