A-Tech 16GB Kit (2 x 8GB) for HP ProLiant DL80 Gen9 G9 - DDR4 PC4-21300 2666Mhz ECC Registered RDIMM 1Rx8 - Server Specific Memory Ram (AT322630SRV-X2R5) at Amazon.com
HPE ProLiant DL80 Gen9: Specs and Rack Compatibility - RackSolutions
HP ProLiant DL80 Gen9 - YouTube
HPE ProLiant DL80 Gen9: Specs and Rack Compatibility - RackSolutions
787217-B21 HPE | Used & Refurbished
HP ProLiant DL80 Gen9 (P8Y70A) server - Hardware Info