TechPowerUp posted a review on the Team Group T-Force Vulcan Gaming SODIMM 4x 8 GB DDR4-2666
A quote from the article:
If you got a DDR4-supporting laptop, or perhaps a mITX system that requires DDR4 SODIMMs with 2666 MHz support out of the box, you don't have that many options today. Team Group's T-Force Vulcan Gaming Series of DDR4 SODIMMs come ready for that and more.Team Group T-Force Vulcan Gaming SODIMM 4x 8 GB DDR4-2666 Review