TechPowerUp posted a review on the G.Skill TridentZ 3866 MHz 2x 8 GB DDR4
A quote from the article:
We step it up a notch in memory speeds thanks to G.SKILL's pricey 3866 MHz TridentZ memory. This is one capable kit, ready for ultra-high speeds with Intel's Kaby Lake CPUs right out of the box, and even has some OC headroom to spare.G.Skill TridentZ 3866 MHz 2x 8 GB DDR4 @ TechPowerUp