parts-quick 32GB (2 X 16GB) Memory for HP Envy Desktop 750-424 DDR4 PC4-17000 2133MHz Non-ECC DIMM RAM at Amazon.com
A-Tech 16GB Replacement for HP 797259-091 - DDR4 2133MHz PC4-17000 ECC Unbuffered UDIMM 2rx8 1.2v - Single Server Memory Ram Stick (797259-091-ATC) at Amazon.com