Please help!

[Devj]

I really need some help, my 3600mhz ram will not run qt recommended 3600mhz or even 3200mhz. No matter if i put in timings volts etc manually in bios or use docp, it will always crash my pc and get error code 8d. It is samsung b die (trident z royal 4 sticks 32gb). Crosshair viii hero (wifi) motherboard and ryzen 3950x. Please help, Nobody can figure out what is wrong 

[boggy77]

ram in slots 2 and 4? what frequencies, timings and voltages have you tried so far?

[Devj]

Ive tried testing on stick at a time and its 4 sticks so it dosent matter what slots rhey are in, also i tried 1.4 volts and it worked for about a day until next day turned my pc on and it crashed.

[EXTRADODO]

Can you type this command in CMD and look at what it says ? 

wmic memorychip get speed

[Devj]

it shows 4 2133s 

[Devj]

7 minutes ago, ZWELINHTET said:

Can you type this command in CMD and look at what it says ? 

wmic memorychip get speed

it shows 4 2133s