This product is either discontinued or we cannot get that from suppliers.
Hp Dimm 3TK87AA, RAM Module, DDR4-2666/PC4-21300, DDR4 SDRAM, 8 GB, Form Factor DIMM, 2666 MHz, 288-pin, Compatibility HP 280 G3 Small Form Factor Business PC .
Boost the capabilities of your HP Business Desktop PC and improve system performance and application responsiveness with low-power, high-speed DDR4 memory from HP.