HP - DDR4 - 16 GB - SO DIMM 260-PIN - 2133 MHz / PC4-17000 - 1,2 V - ungepuffert - nicht-ECC - do EliteBook 840 G3 (820571-001) HP 16GB 2133 MHz 1. 2in DDR4 SO-DIMM 820571-001, 16 GB, DDR4, 2133 MHz, 288-pin DIMM