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Trying to find a specific motherboard


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#1 KrisGT

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Posted 15 September 2017 - 06:24 PM

I need to build a PC for my work, doesn't need an OS and can be a PC or server motherboard... The motherboard has to be able to work with as many of the DDR4 options listed below (Not mixed at the same time of course). Also, would like to support up to 64GB per module if possible, but can settle for 32GB.

Would like the highest data rate possible but can settle for only going up to 2400. Any help would be greatly appreciated!

 

Data Rate: 2133.33(PC4-17000), 2400(PC4-19200), 2666(PC4-21333), 2933(PC4-23466), and 3200(PC4-25600)

Voltage: 1.2v and 1.4v

Types: ECC, Non-ECC, Registered ECC, and Load Reduced

 

Just going to be used to test out RAM, everything else can be selected based on the MB 



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#2 jonuk76

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Posted 16 September 2017 - 08:44 AM

Something like the Asus X99-E WS will work with a range of these.

 

Remember memory support depends on the CPU installed, as they contain the memory controller.  ECC/Registered DIMM's only supported on the Xeon processors, and all of the compatible processors officially only support up to DDR4-2400.

 

Is there not more specialised hardware (memory tester) that can do this job?  That would be something to look into.  Motherboard DIMM slots are not intended for frequent insertions and removal of memory.


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#3 KrisGT

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Posted 18 September 2017 - 12:42 PM

Thank you! I may need to get a second MB for the load reduced then? Looks like this one does everything except that.

 

As for the memory tester, all the ones I have seen are very costly. If I saw one that was reasonably priced I would grab one up quick. As for the amount of testing, it's usually just spot testing, so not TOO worried about the DIMM slots. I will bring that issue up though.



#4 MadmanRB

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Posted 18 September 2017 - 04:50 PM

What processor did you have?


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#5 KrisGT

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Posted 18 September 2017 - 04:55 PM

No processor yet, still up in the air until we nail down one that works with the widest range of DDR4 options.



#6 MadmanRB

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Posted 18 September 2017 - 05:00 PM

You would be fine with AMD Ryzen then, highly recommended for production machines.

Any specific workloads?

The ram speeds in the end dont matter in a lot of cases.

Even if making a video editing rig memory speed is a non issue.

Even with AMD Ryzen working better with higher speed ram you would get diminishing returns.


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#7 KrisGT

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Posted 18 September 2017 - 05:04 PM

Looking at testing RAM, don't really care about video quality at all.



#8 MadmanRB

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Posted 18 September 2017 - 05:08 PM

Thats fine.

A X370 motherboard can be found for real cheap and give you full ram campatibility.

They got a open box on newegg if thats okay with you:

 

https://www.newegg.com/Product/Product.aspx?Item=N82E16813132964R

 

It would be cheaper than intels motherboards for the same overclocking/testing compatibility such as the Z270 motherboards.

There is also the B350 motherboards too, but some motherboard makers are a bit cheap on the ram compatibility and you would need to update the BIOS


Edited by MadmanRB, 18 September 2017 - 05:16 PM.

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#9 KrisGT

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Posted 18 September 2017 - 05:20 PM

Nice, that might work, would have to get a 2nd setup that does Registered ECC and Load Reduced though, but that is an option. Nice find here, thanks.



#10 jonuk76

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Posted 18 September 2017 - 05:22 PM

To be honest, I'm not familiar with LR-DIMM's (load reduced) so it's all new to me :)  From this Technical Brief, it appears the Xeon E5 range supports them.  I'm unclear if LRDIMM's are dependant on motherboard/chipset support too.  However, boards like this C612 based Supermicro specifically support LRDIMM's with Xeon processors.  In the "System Memory" section it appears to support quite a lot of options, so may be viable as an alternative one stop solution, although I'm fairly certain a board like this will not support speeds over 2400 mhz.


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#11 KrisGT

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Posted 18 September 2017 - 05:25 PM

Load reduced is mostly for server motherboards, not sure if they make any for PC motherboards, I will check out these links also, thanks



#12 jonuk76

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Posted 18 September 2017 - 05:35 PM

Yes, it adds an extra buffer, I get the impression it trades some performance for the ability to use huge amounts of it. The Supermicro board above will work with up to 1 Tb of RAM!


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#13 KrisGT

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Posted 18 September 2017 - 06:32 PM

Nice, this C612 based Supermicro might be exactly what I need, should at least be able to handle almost everything.



#14 MadmanRB

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Posted 18 September 2017 - 06:37 PM

Indeed, though server grade is costly so prepare for that.


Edited by MadmanRB, 18 September 2017 - 06:38 PM.

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#15 KrisGT

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Posted 18 September 2017 - 06:39 PM

Still a nice price cut from a memory tester, those run from $5k on up for a decent one






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