Other World Computing - DDR4 - kit - 128 GB: 4 x 32 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - unbuffered

OWC
Other World Computing - DDR4 - kit - 128 GB: 4 x 32 GB - SO-DIMM 260-pin - 2666 MHz / PC4-21300 - unbuffered