Z690 maximus hero ram compatibility list

[Syphel]

Hi, I was going through the ram compatibility list on the ROG MAXIMUS Z690 HERO motherboard and I noticed that I haven't been able to find quite a few modules that seemingly should be there. 

For example: 
1. F5-5600J2834F16GA2-TZ5RK is a black module that works with this motherboard. G. Skill has also noted that it works with this motherboard. But Asus says that it doesn't even exist as a supported ram type.
2. F5-5600J2834F32GX2-TZ5RS is a white module that is confirmed by Asus to work with the motherboard from the list. However the same module except in black F5-5600J2834F32GX2-TZ5RK is not listed as one that should be supported by the motherboard. 

Are there ANY specific reasons for these specific modules to not be compatible from Asus side or have they simply not been tested to be officially confirmed by Asus ?

[Jiaszzz_ROG]

Hello, @Syphel 

Thank you for reaching out to us.
ASUS has verified the motherboard for the best stability and compatibility when installed with the devices in Memory QVL list.
We believe that memory modules from different production batches can impact performance during overclocking or other advanced settings, such as CAS Latency (CL) and tRCD.
While you can certainly choose memory not listed, specific configurations like overclocking might require manual adjustments to ensure stable operation.
For steady performance and compatibility, we recommend selecting RAM from the QVL.

Thank you.

[pitbullberg]

i'll hop in on this and ask the same question. 
Back in nov -22 I did my research for a new rig. I ended up picking parts from the upper part tower and ended up with a Z790 Hero card and a set of DDR5 6200 sticks... aka CMH32GX5M2B6200C36. Hopped on the i7-13700k wagon and i checked and double checked the compability on asus sites, and other sites, i also called the shop i use to really make sure i had things going right.

5 days ago i got the infamous Q code 55 so i tried the blabla on checking and ended up cheking the list again and to my disbelief ...its not there anymore... 6000 and 6400 is there, but not 6200. I called my dealer and the told me that Asus normally is abit... slow... to adjust the list... My question: are my set of 2 x 16 ( CMH32GX5M2B6200C36 ) ready for this board or not?

Presume for default setting and XMP 1 and 2.

[Jiaszzz_ROG]

Hello, @pitbullberg 

Thank you for reaching out to us.
Could you please provide your current BIOS version and confirm if the memory is installed in the DIMM_A2 and B2 slots?

Regarding Q-code 55, before the first occurrence five days ago, did you make any hardware or software changes, such as updating the BIOS or adding a new memory module?
If you update to the latest BIOS 2301 and clear CMOS with all BIOS settings at default (including no XMP or memory overclocking), can the system boot correctly?
For memory overclocking, kindly try starting by installing a single module in the DIMM_A2 slot, enabling XMP I, and ensuring the system can boot before installing the second module in the DIMM_B2 slot.
Regarding the "CMH32GX5M2B6200C36" memory listed in the QVL, I have contacted the relevant members for further verification, and will update you as soon as I receive any information.
Thank you.

[pitbullberg]

I was on bios 2301, did no hardware change prior to 55 trouble. Sticks was in a2 and b2 according to the manual. The error 55 came out of nowhere after some years of smooth sailing. When this error started I went thru some tips and made it into the bios with 1 stick in a2. I set the bios into default mode. No xmp no oc at all. Using Intel default mode. I used the clear CMOS and Checked that xmp was not on. Boot was all fine with 1 stick, trying 2 sticks made the post loop for a minute before it landed on error 55 again. 

I checked the cpu, ram etc for some trash in the pcie, changed paste on cpu and did a fail check on psu, I did a CMOS clearing by removing the battery for 2 minute, connected the power cord and did yet another cmos reset. Post was in yet another loop for 2 minutes then back on 55. Removed the b2 stick and booted right up. I tried to swap the sticks to check if one of them was failing by trying both one by one in a2.  Both times booted right into windows. I called my dealer and bought a new ASUS TUF GAMING B760-PLUS Wifi to check the same problem. Got the yellow "hardware fail" there too. Tried 1 stick on the B760 card. No luck. So I swapped back to the hero card and I'm running it now with one stick. To top it all the h170i elite Cooler went into a pump hardware fail ( warranty swap on its way). So I'm sitting in the basement, beside a 4 digit worth puter that's louder than a afterburner on a f16. Try doing that when wifey yell at ya from the ground floor... 

No fun at all... Alot of yellin' this days

[Jiaszzz_ROG]

Hello, @pitbullberg 

Thank you for your prompt response and confirmation.
Under default BIOS settings, does Q-code 55 still occur in the following memory configurations?
- Installing each "CMH32GX5M2B6200C36" module individually in the DIMM_B2 slot
- Installing both "CMH32GX5M2B6200C36" modules in the DIMM_A1 and DIMM_B1 slots
Additionally, could you please confirm which BIOS version you were using before updating to 2301 and whether the issue was present then, and the model of the PSU you currently installed or have been cross-testing with (if any)?

Thank you.