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Running HyperX Predator at 3200MHz on B450 Pro4 |
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jenson87 
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 Topic: Running HyperX Predator at 3200MHz on B450 Pro4Posted: 23 Sep 2018 at 12:54am |
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Hey! Two days ago I built my rig and everything was going great until I noticed that my ram was only running at 2400MHz. First both XMP profiles (3200/3000MHz) failed to boot even after adjusting the voltage a little bit. But even for ~2600MHz I couldn't get the system to boot. This is the link to my build: https://de.pcpartpicker.com/list/YyDCCb This is the data sheet of my ram kit: https://www.kingston.com/dataSheets/HX432C16PB3K2_16.pdf Also it is featured in the list of ryzen compatible kits: https://media.kingston.com/pdfs/hx-product-memory-ddr4-amd-ryzen-and-hx-compatibility-en.pdf Both modules together run on the "default" values at 2400MHz without a problem. Also both modules seem to run in single use (using the A2 slot on the board) at 3200MHz using the XMP profile or even custom timings I got through Thaiphoon Burner and entered manually in the BIOS. But every time I put both of the modules in while using anything besides defaults (2400MHz) I never even get to the ASRock logo before it crashes. In this context I I realized that the exact kit isn't listed under "QVL Memory" for the B450 Pro4 at ASRock: https://www.asrock.com/mb/AMD/B450%20Pro4/index.asp#Memory Is this simply the reason I can't get these to work or is there another workaround I could try? Appreciate every bit of help. Thanks in advance! |
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xhue
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Posted: 23 Sep 2018 at 1:39am |
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Flash the latest BIOS. Clear CMOS, reboot. Select just the XMP with the 2 sticks and see what happens. If it fails again, try bumping SoC voltage a bit to 1.15V or 1.2V. Try boosting RAM voltage too.
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jenson87
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Posted: 23 Sep 2018 at 3:00am |
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Hey! But I went for a Clear CMOS anyway because after setting manual timing and a bunch of failed boot attempts all of my case fans stopped working while the CPU cooler went way louder than before. At least this is back to normal after a quick reset. No progress on the ram kit though.
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xhue
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Posted: 23 Sep 2018 at 7:46pm |
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My say is you'll have tough times getting the RAM @ 3200MT/s. Getting there and staying stable are 2 separate things. With Ryzen Gen.1 it's a bad thing to shop outside QVL. If I was you I'd choose 1 of these 2 options: run the RAM @ JEDEC default, i.e. 2400MT/s; get a 3200 kit from the QVL. It all boils down to what you need and what you can afford.
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jenson87
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Posted: 23 Sep 2018 at 10:55pm |
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Yeah, that seems to be the only reasonable way forward. But checking QVL lists isn't as straightforward as I imagined either. For example I came across this CL14 3200MHz kit from Team Group for a good price:
https://www.teamgroupinc.com/en/product/dark-pro-ddr4
According to its QVL (which seems to be for the whole series of kits) it should run at 3000MHz on B450 Pro4: But at the same time it's not listed at ASRock's B450 Pro4 QVL: So has anyone experience on what I could expect from this kit on this specific board? Running stable 3000MHz would be alright with me but I want to make sure that I'm not running into incompatibility issues again.
Edited by jenson87 - 23 Sep 2018 at 10:57pm |
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jenson87
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Posted: 23 Sep 2018 at 11:19pm |
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Reinvented
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Posted: 24 Sep 2018 at 2:47am |
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Most of the kits on QVL's are for just saying "yeah, I can run it using XMP profiles". Your kit will run fine, but requires a bit of input with manual timings/adjustments. Use Ryzen DRAM Calculator and Taiphoon Burner to get a baseline before tweaking.
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jenson87
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Posted: 24 Sep 2018 at 3:20am |
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I tried exactly this with the HyperX kit and the result was pretty much the same as when using the XMP profiles: Individually (as in solo usage in A2) both modules ran at 3000/3200MHz but as soon as I put the second module in it fails to boot and resets the kit to 2400MHz.
I read somewhere that a faulty CPU (e.g. broken pins) could be the issue here as well. I bought my 2700 used and so far it seems to run perfectly normal out of the box. I also just realized that there are only 8GB usable in the Windows 10 task manager. It shows 16GB in the top right but right now for example 3,6/7,9GB (46%) are in use. My question is: Where do these problems generally point to? Problems with the board, the CPU or the kit? I just don't want to buy another kit to have the same problems again. Thanks a lot! |
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Reinvented
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Posted: 24 Sep 2018 at 3:37am |
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I don't understand why you'd have to buy another kit at all. Send it off for RMA if it's faulty. Same with any other components.
If the CPU is the problem, you'd need to inspect it. Or again, play the RMA game.
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xhue
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Posted: 24 Sep 2018 at 3:49am |
Yep, that's Gen.2 (or second iteration, or whatever they call it  ) Ryzen right there. It has way more advanced IMC, so running more memories and speeds it expected, compared to Gen.1 Some manufacturers are using different memory dies (chips) for the same part number, so some of them might end up crazy in the QVL. It all boils down to what you want. If you want a stable and straightforward approach - go for the QVL. If you so desire tweaking and knowledge - get some other kit and play with it.
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jenson87 wrote: