Hynix 8GB PC4-21300 DDR4-2666MHz 260-Pin SODIMM 1.2V Single Rank Memory Module HMA81GS6CJR8N-VK at Amazon.com
Best Notebooks Ramaxel RMSA3260ME78HAF-2666 8gb Pc4 2666MHz DDR4 So-Dimm Non-ECC 260 pin 1.2V Ram Memory for Laptop and All in One Desktop Computer (8gb Pc4 2666MHz DDR4 So-Dimm) at Amazon.com
Kingston 8GB 1RX8 PC4-2666V-SA1-11 Laptop Memory 9995624-060.A00G for sale online | eBay