ECC (Error Correcting Code) feature.
Kingston 16GB DDR4 2666 ECC UDIMM RAM KSM26ED8/16ME PC4-21300 288pin
Samsung 16GB DDR4 3200 ECC UDIMM RAM 2Rx8 M391A2K43DB1-CWEQ for DELL HP Lenovo
Micron 16GB DDR4 3200 ECC UDIMM RAM 2Rx8 PC4-25600 MT 18ASF2G72AZ-3G2E1 288pin
Samsung 64GB - 4 x 16GB DDR4-3200 ECC RDIMM M393A2K43DB3-CWEC0 PC4-3200AA
Dell Memory 16GB - 1Rx8 DDR5 ECC UDIMM 5600 MT/s SNPXH68MC/16G AC958788 RAM
Apacer Industrial 16GB DDR4-2666 ECC Unbuffered SODIMM RAM PC4-21300 260-pin