QNAP 16GB DDR4-2400MHz U-DIMM Memory Module [PN: RAM-16GDR4A0-UD-2400] at Amazon.com
parts-quick 8GB (2 X 4GB) DDR2 Desktop Memory PC2-5300 240 pin 667MHz Non-ECC DIMM RAM at Amazon.com
CMS 12GB (3x4GB) DDR3 10600 1333MHZ ECC Non Registered DIMM Memory Ram Upgrade Compatible with HP/Compaq® Workstation Z600 B3 Series DDR3 ECC for Server Only - B81 at Amazon.com
parts-quick 32GB (2 X 16GB) Memory for HP Omen X Desktop 900-035VX DDR4 PC4-17000 2133MHz Non-ECC DIMM RAM at Amazon.com