It's based on exactly the same chips, the only difference being the black PCB plate which gives the stick a high-end look. The item "8GB 16GB Samsung PC4-21300 DDR4-2666V 2Rx8 Laptop RAM DDR4 memory" is in sale since Wednesday, July 15, 2020. This item is in the category "Computers/Tablets & Networking\Computer Components & Parts\Memory (RAM)". The seller is "crazyhorsehandcrafts" and is located in Preston. This item can be shipped to all countries in Europe.