HP 820569-005 - 4GB (1x4GB Module) 2133MHz 1Rx8 PC4-2133P 1.2v DDR4 SDRAM Memory Module Sale $39.00 Retail $59.00
HP 815238-001 - Heat sink - For use in models with discrete graphics memory and Intel Core processors Retail
HP 813946-001 - Cooling Fan for HP 15-AC 15-AF Series Pavilion 250 G4 255 G4 Sale $45.00 Retail $60.00
HP 8120-8452 - Power cord (Black) - 2-wire, 1.8m (6.0ft) long - Has straight (F) C7 receptacle (for 220V in Chile) Retail