And as i said, DDR4-3200 can sometimes be a stretch for a 2000-series. When your CPU came out in 2018, that RAM didn't exist yet. Second, you're feeding it with quite a modern kit of RAM, the refreshed Crucial Ballistix line that came out in 2020. Meaning, in those days, you were lucky to reach DDR4-3200, which is usually a alot easier for a Ryzen 3000-series or newer. The integrated memory controllers inside the CPU have gotten better with each generation, and the 2000-series IMC wasn't such a high performer yet. First of all, your 2600X is a limiting factor. If we look at it in detail, it's not that surprising. Any help would be much appreciated, thank you.
Is this a faulty motherboard? Is the motherboard just being picky with both G.Skill and Crucial? I've looked at 20 different posts about the B450 Tomahawk+RAM problems but for them the solution was something I've already tried. My problem is the computer will only boot with the slowest speed and slowest timings. I know that 2993mhz is the officially supported max speed for the R5 2600x, I would be fine with that if I could run it with the advertised timings (16-16-18-36). Once in Windows, there are no stability issues and no errors were found in memtest. Then on the 3rd time it defaults to the slowest speed 2666mhz with the bad timings for the Crucial, and 2133mhz with bad timings for the G.Skill and boots. The computer tries to boot and fails twice. In all these situations what happens is: I make RAM setting changes in the BIOS then I save and reboot. I've run that G.Skill ram for years with no issues so I know it's good, still using it right now at CL14 3600mhz in the other computer. That one was even worse, as it capped at 2133mhz with similarly slow timings. I also have faster DDR4 ram in another computer and I tried putting that in (G.Skill Ripjaws V 16GB 2x8GB CL14 3200mhz F4-3200C14D-16GVK). I always use CPU-Z to check the ram speed.
I always put the ram in the recommended slots 2 and 4. I've tried clearing CMOS by taking out the battery. I've tried the newest beta bios, as well as the newest stable bios. I've tried the "Memory Try it" feature, chosen the 3200mhz profile with 16-16-18-36 and it doesn't work. I've tried manually setting 2933mhz/3200mhz with 16-16-18-36 and 1.35v that doesn't work. I've tried the slower (2993mhz) XMP profile as well,neither of them work. The RAM I bought is Crucial Ballistix 16GB (2x8GB) CL16 3200mhz BL2K8G32C16U4B. Everything went well until I checked the speed of the ram with XMP on. I just bought a B450 Tomahawk Max to use with a Ryzen R5 2600x.
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