DDR4 Memory Module with No Cooling Whatsoever Revealed by Apacer
AU04GGB13CDTBGC Apacer 4GB DDR4 Non ECC PC4-17000 2133Mhz 1Rx8 Memory
A-Tech 8GB Replacement for HP 797258-581 - DDR4 2133MHz PC4-17000 ECC Unbuffered UDIMM 2rx8 1.2v - Single Server Memory Ram Stick (797258-581-ATC) at Amazon.com