HP - DDR4 - module - 16 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - 1.2 V - unbuffered - non-ECC - for (non-ECC): EliteBook 1050 G1, 735 G5, 735 G6, 745 G5, 745 G6, 755 G5, 830 G6, 830 G8, 840 G8, 840r G4, 845 G7, 850 G6, 855 G7; EliteBook x360 830 G6;