Crucial Memory Kit with 16GB (2x8GB) DDR4 PC4-21300 2666MHz SR x8 SODIMM Memory (CT2K8G4SFS8266) Compatible with HP EliteDesk 405 G4 Mini, 705 G4 Mini, 705 G5 Mini at Amazon.com
16GB (1x16GB) DDR4-2666MHz PC4-21300 2Rx8 1.2V SODIMM Laptop Memory by NEMIX RAM at Amazon.com