Would like to hear if anyone using CMW32GX4M2C3200C16 on an AMD Ryzen build has similar issues and if the above fix solved any potential BSOD issues. It's a theory that may seems reasonable but I cannot confirm for sure in any way and would be interesting to understand the difference. Issue is that I can not get my system to run stable when I enable the XMP in BIOS. System runs great at 2133 but as soon as I enable XMP to get the 3200 speed I get random BSOD, sometimes when powering down or when watching YT. MemTest86 shows well over 200 errors after only 2 minutes! I believe it has something to do that the CMW32GX4M2C3200C16 is optimized for Intel and that maybe there is an issue with the XMP, that the values don't work with an AMD system.

Running stable on 10c with Win 10 v1909, overnight MemTest86 showed zero errors. Edited November 13, 2019 by RBurgundy Corsair's build quality shines through as well. The heat spreaders not only keep the modules cool but also add to the overall aesthetics. The kit feels sturdy and well-made, which is something I value in any PC component. CPU: Ryzen 3700x running at 1.358V (Core Performance Boost set to Auto) speed boosts per core to around 4.3Ghz If you're building a Ryzen machine, it might be a better idea to get CMK16GX4M2Z3200C16. I'd recommend just getting a 2x8 kit and running it in Dual Channel mode. XMP 2.0 SUPPORT: A single BIOS setting is all that’s required to set your memory to its ideal performance settings, for for optimum performance.

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Installation was a breeze; the modules fit snugly into my motherboard, and XMP profiling worked flawlessly to achieve the advertised speeds without any manual tweaking required. I suspected this was to do with overvolting of RAM or SOC initially when I faced many BSOD's (more than 2 per day), as I realised my BIOS VDDG and VDDP was higher than normal (1100 and 1000) when comparing to the Ryzen DRAM calculator 'Safe' values which were recommended at 900. As per another thread, I used Thaiphoon software to read the XMP directly from the kit before importing it and using 'Calculate Safe' option on DRAM calculator. Ryzen 7 3700X Gigabyte X570 UD (bios F20b now) 2x8gb ddr4 Patriot Viper [xmp 2.0] (2133/3200) 16 18 18 36 and 64 < for XMP 3200Mhz. Tried entering the memory timings by using the Ryzen DRAM calculator (every which way that I found on the www)My online research has found till now that everyone with hynix chip (RAM version 5.39) have the Intel optimized(B) module while those who owns the samsung b-die (RAM version 4.31) have the AMD Optimized(Z) module. This was stable up until this morning, despite several days of it working fine and 600% scope in MEMBench from DRAM Calculator 1.7.3 returning no errors! MAXIMUM BANDWIDTH AND TIGHT RESPONSE TIMES: Optimized for peak performance on the latest Intel and AMD DDR4 motherboards. After this second RMA, I decided to further try out manual timings for the RAM kit. I had tried this earlier - and followed the ryzen dram calculator settings to the letter - but those also gave me errors. This time, I decided to just set the first five values in BIOS to the exact same as XMP would: 16-18-18-18-36. I noticed that my board would set the sixth value to 75, while XMP sets this to 54. So I tried dialing it down and ended up with 55 and 56 and everything ran fin without errors at 56.