Kingston 4gb RAM Ddr4 1rx16 Pc4-2666v Pc4-21300 Laptop Memory for sale online | eBay
HMA851S6JJR6N 4GB 1RX16 DDR4 SO-DIMM 2666MHz 260-pin Non-ECC CL19 1.2V Laptop Memory Module HMA851S6JJR6N-VK Compatible Replacement Spare Part for SK Hynix Compatible and Other Laptop Systems at Amazon.com
Micron MTA4ATF51264HZ-2G6E1 Non ECC PC4-2666V 4GB DDR4 at 2666MHz 260pin SDRAM SODIMM Single Kit Laptop Memory - OEM at Amazon.com