OCInside posted Crucial DDR4-2133 16GB Kit 4x 4GB DDR4
A quote from the article:
Today, we test some brand new DDR4 memory modules here at OCinside.de, which are supplied without heat spreaders, but reasonable priced.Crucial DDR4-2133 16GB Kit 4x 4GB DDR4 Review @ OcInside.de
In this review, we have selected four Crucial 4 GB DDR4-2133 CL15 memory modules as 16 GB DDR4 Quad Channel Kit and tested on an Intel LGA 2011-3 system with ASRock X99 Extreme6 motherboard and Intel Core i7-5930K processor.
Of course the DDR4 modules have been overclocked again to the limit and we have added a DDR4 comparison chart with all previously tested DDR4 modules.