RMSA3300ME78HBF-2666 16gb Pc4 2666MHz DDR4 So-Dimm Non-ECC 260 pin 1.2V Ram Memory for Laptop and All in One Desktop Computer (16gb Pc4 2666MHz DDR4 So-Dimm) at Amazon.com
Performance DDR4 2666MHz Notebook Memory
Crucial 16GB DDR4-2666 SODIMM Module for Laptops | 1075 EGP
Crucial 16GB Kit (2 x 8GB) DDR4-2666 SODIMM Memory for Mac | CT2K8G4S266M | Crucial.com