Having a closer look at the sticker, we can see that the modules are PC-12800 or 1600MHz, have the default timings of 8-8-8-21 and are rated to run at 1.6v - 1.65v. We can also see that the kit is 2GB ...
When we review memory DIMM modules often it's all about memory timings and the highest frequency possible, especially the latest high-end generations memories can manage 2000+ MHz. The latest reviews ...