[SOLVED] ddr4 3400 mhz ram for 3466 and 3600 compatible mobo

[helpDiscoDrago]

hi all,

i bought patriot ddr4 3400 pc ram and i have a gigabyte b450m motherboard that is compatible for 3200, 3466, and 3600 speeds. it factors compatibility even to 2133 mhz.

when i boot everything my understanding is that the default will set ram speed to 2133 mhz and then i would have to enable xmp to either 3200 or 3466 mhz to get my purchased ram value?

amd ryzen 7 3800x @3.9 - 4.5 max boosted
ati radeon rx 5700 xt
gigabyte b450m am4 chipset pcie 3.0
wd 7200 rpm hdd 64 mbyte cache
corsair cv 650w psu

any thoughts? should i settle for 3200 or 2133 ram speeds? can i set the bios to have 3466 mhz speed on the ram (ddr4)?

 

[Darkbreeze]

If you memory is 3400mhz, then setting the XMP value will do exactly that, set it to 3400mhz. If you want to set it to something other than 3400mhz then you will need to assign the memory speed manually in the BIOS. I would simply set the XMP profile 1 which should be 3400mhz and leave it there. If it does not want to POST at that setting, then I'd drop DOWN in speed to 3200mhz, rather than manually setting it at a higher speed, UNLESS you are willing to do the extensive testing necessary to ensure you are not corrupting your entire file structure with micro-errors.

Full testing information can be found here:

How To - Troubleshooting problems with PC memory (RAM) and XMP profile configurations

In the beginning, there was......BIOS Before you go ANY further, go to the manufacturer product page for your specific motherboard model AND revision. Revision is an important aspect because for any given motherboard there may be more than one version of that model which will be identified...

forums.tomshardware.com

What is the exact model of your motherboard?

 

[helpDiscoDrago]

its a gigabyte b450m d3sh

 

[helpDiscoDrago]

i read through the check / oc walkthru and i couldnt find the answer to my initial question which is:

i have patriot viper ddr4 3400 mhz ram. and i want to make sure it will work with my motherboard which is the gigabyte b450m ds3. this motherboard allows listed 3200, 3466, and 3600. it also shows 2133 mhz as acceptable ddr4 ram.

i believe my ddr4 ram would work fine if i set the bios to allow 3200 mhz level setting (while the ram purchased is 3400 mhz). i think if i set the bios to accept 3466 mhz then my 3400 mhz ram would have to be reclocked manually (perhaps). i just wanted to see if i could just snap the bios to 3466 mhz setting (if when i look in there is no 3400 mhz preset) or should i play it basically safe at 3200 mhz (200 below my ram’s purchased specs).

hopefully...

 

[Darkbreeze]

I linked you to the guide for the section on testing memory configurations, so that if you did decide to set the memory manually to 3466mhz instead of settling for 3400mhz, you'd know how extensive the test process is. Really, it's not that big of a deal, it's just a bit time consuming. Four passes of Memtest86, few hours of Prime95 Blend mode or custom settings and a few hours of Realbench, if you want to be sure you are stable.

What BIOS version is currently installed on your motherboard?

What is the exact model of your memory kit?

Setting it at 3200mhz is fine, and you could probably even tighten the timings up to make up for the 200mhz loss of frequency by reducing the true latency, but you would STILL NEED to do the testing because anytime you deviate away from the JEDEC profiles hard coded on the memory or the XMP profiles (And there are often more than one) then you are in unvalidated territory and need to test to be sure you are not introducing micro-errors into your personal data and file system.

 

[helpDiscoDrago]

i havent been able to see the bios yet i am awaiting the psu and i am just spell checking my system so far.

if i just set the 3200 which apparently is available on the bios (according to newegg) then i dont have to worry about timing checks? i wont adjust the timing because for my gaming purposes 3200 mhz seems fair enough.

im not sure what jedec or xmp defaults are but i imagine they are standardized profiles for ram. i did a quick read thru of your link and i appreciate the detail. it made me a bit dizzy to be honest and i feel that setting to 3200 would likely be my most convenient choice.

by your post i believe this means i dont have to worry about testing beyond the preset oc availables. please correct me if i am wrong.

thanks’

 

[Darkbreeze]

Anything you set, other than what it defaults to automatically, which is normally the JEDEC standard of 2133mhz for Ryzen platforms, or for Intel, it is 2133mhz for 6th Gen, 2400mhz for 7th Gen, 2666mhz for 8th and 9th Gen and 2933mhz for 10th Gen (All of which are assuming you HAVE memory that is either that speed or higher) OR as set by one of the XMP profiles, generally Profile 1, SHOULD be validated through testing.

In fact, I like to test new memory at the default configuration before even setting the XMP profile, to ensure there are no physical problems with the memory, and then re-test again after setting the XMP profile to ensure there are no configuration problems at that speed on THAT motherboard with THAT CPU.

XMP is not a fail safe like people seem to think it is. It is USUALLY fine, because the manufacturer does extensive testing with it on a variety of platforms but any given platform could have problems with ANY memory configuration that is above the default JEDEC baseline for that CPU, regardless that the motherboard is or is not unlocked and allows other configurations.

So usually the XMP profile configuration is fine, and is stable, but it IS possible, and I've seen it more than once, for it to NOT be as well. Even when it SEEMS like it's fine, there could be minor instability and minor instability turns into major corruption eventually.

So, most people DON'T test if the memory is set at the XMP, A-XMP or D.O.C.P profile settings, all of which are the same thing basically but A-XMP is for AMD platforms and D.O.C.P is for some ASUS motherboards that ASUS refused to pay royalties to Intel for in order to use the XMP moniker, but it's still a good idea in my opinion. At least once you've got the rest of the system settled in, but usually before, because it's kind of a waste to dial in your system before the memory is down pat.

 

[helpDiscoDrago]

Anything you set, other than what it defaults to automatically, which is normally the JEDEC standard of 2133mhz for Ryzen platforms, or for Intel, it is 2133mhz for 6th Gen, 2400mhz for 7th Gen, 2666mhz for 8th and 9th Gen and 2933mhz for 10th Gen (All of which are assuming you HAVE memory that is either that speed or higher) OR as set by one of the XMP profiles, generally Profile 1, SHOULD be validated through testing.

In fact, I like to test new memory at the default configuration before even setting the XMP profile, to ensure there are no physical problems with the memory, and then re-test again after setting the XMP profile to ensure there are no configuration problems at that speed on THAT motherboard with THAT CPU.

XMP is not a fail safe like people seem to think it is. It is USUALLY fine, because the manufacturer does extensive testing with it on a variety of platforms but any given platform could have problems with ANY memory configuration that is above the default JEDEC baseline for that CPU, regardless that the motherboard is or is not unlocked and allows other configurations.

So usually the XMP profile configuration is fine, and is stable, but it IS possible, and I've seen it more than once, for it to NOT be as well. Even when it SEEMS like it's fine, there could be minor instability and minor instability turns into major corruption eventually.

So, most people DON'T test if the memory is set at the XMP, A-XMP or D.O.C.P profile settings, all of which are the same thing basically but A-XMP is for AMD platforms and D.O.C.P is for some ASUS motherboards that ASUS refused to pay royalties to Intel for in order to use the XMP moniker, but it's still a good idea in my opinion. At least once you've got the rest of the system settled in, but usually before, because it's kind of a waste to dial in your system before the memory is down pat.

i am going to install everything as i am now and set it to xmp 3200 mhz for the ddr4 ram and ill keep you posted, maybe you wouldnt mind helping me thru a secure way of insuring the 3200mhz or even maximizing the ram to 3400 mhz. up to you because i do not english well and the language i speak is very country sicilian. i learned english from tv and books and i am not able to handle too well, but i am ok thank you.

 

[helpDiscoDrago]

i need to find this a-xmp you speak off... f50 gigabyte bios is not giving me any results when i change profile 1 settings (the only available extraordinary xmp profile) to level 1 or level 2.

i will keep you informed’

 

[Darkbreeze]

Ok.

What is the board model again?

 

[helpDiscoDrago]

gigabyte b450m d3sh am4 pcie3.0

 

[Darkbreeze]

View: https://www.youtube.com/watch?v=hKNePZkHJEY

 

[Darkbreeze]

Doesn't matter. The method and where to find the settings will be the same for all Gigabyte Ryzen chipset boards, and in fact, even my Z170 Intel based Gigabyte Gaming 5 looks the exact same as that video and the XMP profile settings are accessed in exactly the same way and in exactly the same place. B350 Gigabyte boards will be no different in that regard than they are for B450, X470 or X570.

 

[helpDiscoDrago]

i found that i needed to use the systems information app which allows fan speed and also ram changes so i did that funny how an app can block bios so much so. now i need significant help with my keyboard behaving like sticky keys is locked but it keeps opening windows instead of sticky keys. it might be windows 10 premium sticky keys.

Lso, i was windering about why my frint panel audio isnt working for my fractal focus g pc case. its funny... usb 3.0 and 2.0 works and hd audio cable detects the inputs if i have something in the jack. never the less i am left eith a hizarre lack of sound. i will try new mic and spakers to make sure but i am currently at a loss.

i eonder if you can help?

 

[Darkbreeze]

Have you installed the audio chipset drivers from the motherboard product page? Those EXACT drivers?