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HP ProBook 430 G4 Notebook PC Specifications | HP® Customer Support
How to add RAM on HP ProBook 430 G3 - YouTube
CMS 16GB (2X8GB) DDR4 19200 2400MHZ Non ECC SODIMM Memory Ram Upgrade Compatible with HP/Compaq® ProBook 430 G3 (DDR4), 430 G4, 440 G3 (DDR4), 440 G4 - C109 at Amazon.com