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
4GB Notebook Memory Module DDR4 2133 Mhz Samsung M471A5143DB0-CPB 260-pin SO-DIMM PC4-17000 RAM for Skylake Brand Laptop System at Amazon.com