Was thinking to create a post to help other user ,mainly to help people chose memory module working for them.
1-Ram model , capacity per dimm, number of dimm ,using xmp or not and current working setting,
2-motherboard model and bios version,
3-Cpu ,
In my case
1- Gskill F4-4266C19D-16GTZKW 4x8Gig, DDR4 4266 (PC4 34100), 19-19-19-39,wont boot at 4266;
Currently running stable at 4133MHz 18-18-18-38 2t 1.4v,used xmp but manually selected 4133,
2-Maximus x code bios 1602,
3- I7 8700k delided running at 5.0 on all core with adaptive voltage