Like most, I was a bit skeptical about ordering these kits because of their low price. I used 2 sets of 64GB 3200 MT/s for 2 different builds. First, if you don't know what XMP is, you probably aren't allowed to install RAM sticks at all. XMP worked absolutely perfectly in both settings. Totally stable at 16-20-20-40. A little slack, but fast enough for a 64GB bundle out of the box. Second, for anyone wondering, the chips in these kits (at least in both kits I received) are Micron B crystals. Thaiphoon Burner couldn't read the information, so I had to dig into the details. I found that these kits use a Micron MT40A2G8NRE-083E:B making them Micron B chips. It's not a Samsung B chip, but they still seem to love overclocking. I was able to get 3800 MT/s (1900MHz on MEM and FCLK) at 1.4V from 18-21-21-40. Memtest runs stable with a throughput of 49 GB/s and 85 ns. Pretty crazy for a 64GB kit that costs less than $250! In the end I settled on 3600 MT/s (1800MHz on MEM and FCLK) 1.38V 16-20-20-38 for that Ryzen 3600/CL16 golden sweet spot. Closed at 47.5 GB/s and 76 ns. Low enough voltage to ensure durability. All in all, if you're in doubt about going with this pack (the 64GB version, at least), go ahead and get it. The fact that you can get sustained speeds of 3800 MT/s with a $240 kit is mind-blowing. Not to mention that white looks very chic. I can't comment on the quality of the other kits, but I'm very happy with the ones I've received. My other components for reference Mobo: Asus Prime x570 ProCpu: Ryzen 9 3900XTGpu: RTX 2080SSSD: 2 x PNY 1TB M.2 Gen4
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