32GB Kit (2 x 16GB) DDR4 PC4-21300 1rx4 1.2v ECC Registered SERVER Memory Modules (288-pin DIMM 2666MHz) WARNING! These modules are ECC REGISTERED! All modules in your system MUST be the same ECC Type in order to properly function. HP ProLiant ML110 Gen9 (Please verify the capabilities of your CPU) Equivalent to the following HP Genuine part number(s): 872970-001 - 872837-091 - 867855-B21 - 840757-091 - 815098-B21 - 850880-001