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I have no idea how Hero Dark overclocks higher capacity memory. Pretty much all results I've seen on this motherboard were with 2x8GB used for competitive benching. On other motherboards that I was actually testing, I had big problems to even boot with 2x32GB at more than DDR4-3600 1:1. Including at least 5 different 2x32GB kits (all but one with XMP 3600) and 3 different Ryzen 5000 CPUs. It can be or the fact that Zen 3 IMC is better than Zen 2 only on paper or simply we haven't seen improved AGESA yet. I literally had better results on 3900X and less problems with higher capacity RAM or 4 memory modules than on Ryzen 5900X.
Count that G.Skill doesn't have anything really well binned on other IC than Samsung B or Hynix D (so 8GB modules). Corsair is even worse. In short, if you buy 3600/3800/4000 kit at CL18-22-22 then probably you won't set much tighter timings. The best 2x32GB kits I've seen are Ballistix RGB DDR4-3600 CL16-18-18. From this point it will run at DDR4-3600 CL16 ... or if you are lucky with the CPU, up to 4000 CL16 at a higher voltage. I went up to 4133 CL18 with 4x32GB but I was using Ryzen 4650G as 5900X couldn't handle it even at DDR4-3600.
All popular 2x32GB kits on the market are based on Micron B/E or Hynix M. I haven't seen anything on Samsung IC, even though there are Samsung 32GB OEM modules... which also overclock worse than Hynix or Micron.
If you get Hynix or Micron (not Ballistix) based kit then count on ~3600 CL16-20-20/16-21-21 1.40-1.55V. If you get Micron from Ballistix series then you can count even on something like DDR4-3600 CL14-18-15 1.45-1.50V. This is because they are Micron brand and already optimize IC for dedicated kits while all others are only binning IC that they get. This is funny but it's also what you can read on Ballistix website
1. you need strong IMC +good BIOS to be able to run at even DDR4-3600 and 1:1 with IF/IMC
2. you can't really count on much tighter timings that what you see in the XMP, it's a bonus but don't count on anything much better
3. 2x32GB overclocks easier than 4x16GB but in both cases nothing is guaranteed
Your advice is valuable but at present would you change anything? since its been almost a yr since (maybe AMD released a better AGESA etc or maybe X570 perform better) . or should I go with it? I just gotten my 5950x and I am deciding or which mobo to get and by extension the RAM that would be supported by it. or from what I,ve read should I choose the RAM 1st and then the mobo that would support it the best.
So, by what you said 32gb sticks don't go well with 5xxx? I was thinking of getting a 2x32gb but you kinda made me doubt my decision.
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Please all feel free to contribute any updates!
I'm actually looking forward to those too! After seeing the 4 series hitting 2200+ FCLK
Should be zesty
New higher series motherboards will all support 2x32GB up to 4000+. Most older too. Motherboards with the B550 chipset are generally overclocking better than with the X570 but up to ~4600 should be almost the same.
I don't know from where people are getting all these problems with RAM. As long as the manufacturer cares to release BIOS updates and the motherboard was well-designed then all is fine. I haven't seen any problems with any higher series motherboard from all counting brands. All my ASRock, ASUS, and MSI motherboards were working fine and I tested maybe 12-14 of them (B550 and X570). I wasn't testing Gigabyte for some time so can't say much about their AMD motherboards.
ASUS Strix and higher, ASRock Extreme/PG/Taichi/Steel Legend, MSI Tomahawk or higher, all should work well with 32GB modules at DDR4-3600+. Most will run up to 4266+.
Officially Ryzen 5000 APU will appear in stores in August. Somehow, I ordered 5700G, a boxed retail version, from a local store today. Not cheap as the price is maybe $30 below the 5800X but should be more fun and for sure will heat up less. Today should arrive Noctua P1 (passive/semi-passive) cooler so I guess I will have fun with both in the next days.
Dear LAWD, no! No need.Should I liquid cool the RAM?
I just see that when everything works fine then no one even mentions it around the web. When something doesn't work then a single person is spamming every possible thread (a problem can be on both, hardware and user side). Later others think there are issues with RAM but in reality, there are barely any compatibility issues ... as long as it's not the cheapest motherboard and the manufacturer cares to deliver good BIOS after release. In the last years, problems were mainly with cheaper motherboards because after the initial BIOS, there were barely any updates other than new CPU support.
Most AMD related issues (at least from my point of view) were:
1. Problems with the IMC - or too weak or couldn't OC at all. Like 2 of my Ryzens couldn't even boot past DDR4-3200. One of them was Ryzen 5600X. Early X570 motherboards had BIOS fix that was helping in some cases but not all. It's possible to make an RMA and get a CPU replacement if it can't run stable at DDR4-3600+.
2. Problems with BIOS tunning - brands like Gigabyte are releasing so many various versions that they don't care to provide enough updates for lower series or something that isn't popular.
3. Gigabyte + Corsair issue - mainly Vengeance LPX RAM that couldn't work at XMP and couldn't work at 3000+. Gigabyte provided BIOS updates for some, but not all motherboards and it took them 6-12 months to do that. I don't remember problems with most other RAM brands. This issue was coming back every new chipset generation.
4. 400 series motherboards had an AGESA issue that was AMD's fault, most brands fixed it later but early motherboards had sometimes problems running above DDR4-3200.
Early Ryzens had one more problem. The mass market didn't believe in the success so they were not investing additional time and money in BIOS updates or better designs for motherboards. RAM brands were not delivering products tested on AMD chipsets. Everything had XMP compatibility while on AMD some single timings had to be different. Now AMD and Intel motherboards have about the same support.
An absolutely fantastic sup up and reassurance!
Be careful with cheap mobos, check if they care to update bios often, do not get carried away by whinny ppl that forget to post positive results. Got it.
Ah, stay away from cheap Gigabyte.