CoreParts - DDR4 - module - 16 GB - DIMM 288-pin - 2666 MHz / PC4-21300 - 1.2 V - unbuffered - non-ECC - for HP 280 G3, 280 G4, 280 G5, 285 G3, 290 G2, 290 G3, 290 G4, 295 G6; Desktop Pro A 300 G3, Pro A G3, Pro 300 G6; EliteDesk 705 G5 (DIMM), 800 G5 (DIMM), 800 G6 (DIMM), 805 G6 (DIMM); Engage Flex Pro-C Retail System; ProDesk 400 G7 (DIMM), 405 G6 (DIMM), 600 G5 (DIMM); Workstation Z1 G5, Z1 G6