timmings

Hello there, i just bought a set of 2x8 3200MHZ cl16 ram for my i5 8600K / z370p d3 combo. I went to the gigabyte bios and activated the XMP profile one. All good, until i went to cpu Z to check the ram: timmings are at 17-20-20-39 is this even normal? shouldn't I be getting something like...

Ever since getting a new SSD (SAMSUNG 850 Evo 500gb) I've noticed this one issue. Sometimes I'll restart my PC and it boots up with no issues. Other times it hangs on the "Starting Windows" screen for 20-30 seconds and eventually loads. Other times it completely freezes on the "Starting Windows"...