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ROG ASUS Z490-I Strix has issues!

Level 7
System only stable with one DIMM installed, doesn't matter which RAM stick I use and doesn't matter which slot I use.
System unstable at XMP speeds, no matter how much I try to play with the BIOS settings. Have tried replacing RAM and PSU.

10700k, win10 64 bit, corsair RM 850x

A bunch of other people have experienced the same issue, and the only fix is to buy a different brand motherboard:

Hoping I can get attention from someone from ASUS here! Asus support has been very unhelpful!
Help please!
121 REPLIES 121

Level 8
There's something new.
I've tested the last firmware 2403 pretending to :
1. improve system performance and compatibility
2. improve system stability
3. improve DRAM compatibility
Well, just after updated it : I was unable to boot and I got a yellow/orange light on the motherboard : this error led code means there is a problem with RAM. Then my computer endlessly boots, and shuts down. It's a bootloop and I was stucked !
Panic time ! Because I wonder how will I do to solve this ? With this boot loop I don't even get the POST message... nothing.
I tried to put another couple de RAM from another computer, same thing...
I remembered the USB FLASHBACK on the mobo panel ! I've downloaded the previous safe version of the firmware 2201 ans installed it on the appropriate USB FLBK port. Then I kept the button pressed for 3 seconds (as described on the manual) and that way the flash process began. I was able to roll back to my previous firmware.
Conclusion : this firmware, instead of "improving" compatibility, is just DECREASING it !
Well, not really surprised from ASUS... as they release every time unfinished mobos with a lot of problems.
My next mobo will sure not be an Asus one... No more...
I wanted to share my experience here, maybe it will be beneficial to some in the same situation as me...

Level 7
Man, I really wish I'd found this thread before I got this board for a friend's comet lake build. Trying to run 2x32GB sticks on it is impossible, even at stock settings (2133Mhz). XMP obviously doesn't work. Its the two sticks that cause problems for this board, based on my testing. Its honestly sad that Asus hasn't dealt with this more professionally, since it is apparently a widespread issue.

How long of a turnaround time should I expect if I were to send the board in for RMA?