Wccftech published a review on the V-Color PRISM Pro RGB Golden ARMIS 32 GB DDR4-5066 and TeamGroup T-Force Xtreem ARGB 32 GB DDR4-4000 Memory Kit A quote from the article:

The first consumer platform to support DDR4 memory was Intel's Skylake Z170 family the respective Z170 motherboards. The memory initially came with native speeds of 2133 MHz but since then, AMD and Intel, have modified their platforms to not only support faster native clock speeds but also allow for higher clocked DIMMs.

  V-Color PRISM Pro RGB Golden ARMIS 32 GB DDR4-5066 and TeamGroup T-Force Xtreem ARGB 32 GB DDR4-4000 Memory Kit Review