Phoronix published a review on the AMD Ryzen DDR4 Memory Scaling Tests On Linux
A quote from the article:
This week MSI finally released an updated BIOS for the X370 XPOWER GAMING TITANIUM that we've been using for a majority of our Ryzen Linux benchmarks. With that motherboard improving memory compatibility and allowing us to finally run the board at higher DDR4 memory clock frequencies, I've run some fresh AMD Ryzen 7 1800X Ubuntu Linux benchmarks at various memory frequencies.AMD Ryzen DDR4 Memory Scaling Tests On Linux @ Phoronix