Sly 2019 年 10 月 20 日 上午 4:24
mixing ram sticks.
Guys do u think its fine to mix single channel and dual channel ram sticks?Right now i have dual channel 8 gb ram(4+4) and im planning to upgrade my ram to 16.so is it ok if i add one more stick of 8 gb ram which will be running in single channel?will i get any problems for mixing dual channel and single channel ram?
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tacoshy 2019 年 10 月 22 日 下午 4:51 
引用自 x_wing
引用自 tacoshy
I'm perfectly calm as always.
However I already told you the exact way stuff is working and even posted you guides for it.
Still you try to discuss about technical facts that are wrong.

Like right now saying you talk about the module bus or a datapass in the module which has nothing to do with it. It is the same for everything.

It's okay to learn something, but then you should actually do and read the stuff that has been said correctly instead of trying to correct it with BS info

It's ok to want to share knowledge, it's not ok when you start your answers like this: "Just parroting wrong information that has been around since ages by ppl parroting the same stuff without knowing how stuff actually work." Notice that you started with this types of answers on your very first answer to me. If you're calm, then your problem is with manners.

And by the way, data path has a lot to do with my answer as that was the reasoning I used in order to think that you cannot have a 128 bit bus to the CPU with ony one DIMM module on a channel (of course, I didn't know about flex mode, but whatever...)

it is a truthfull an honest awnser - those ppl commenting about RAM and say its not possible just say that because they dont actually know the awnser. And why do they think that you cant mix up RAM?

Not because they have an idea what they talk about. if they would have an idea about it, they wouldnt give such awnser.
So how does it come that the majority doesnt know the right awnser to thsi question and stuff like mixing RAM and Flex mode or what so ever?
Because one person started (wrongly) to state that you cant mix up RAM or that you cant use dual channel with uneven module ammount (real dual channel not flex mode). As we by now should know that it is wrong, still is parroted (copied) by other ppl who say its impossible to mix RAM or to use dual channel then. So they keep posting wrong awnsers not because they actually know thats true but ebcause the believe it because somebody else said it once. And that one eprson that said it, did that because befor him another one said it which doesnt make it true either.
So it a chain reaction that misinformation got spread. Its nothign insulting or abusive about it just a matter of fact as this thread proves.

Just look at the first awnser:

引用自 bunder
Its just memory. Since you'll have 3 sticks you can only run in single channel mode

its the common awnser you get in such threads all the time. Why? parroting...
Its simply wrong as first you can obviosly use full dual channel with 3 RAM sticks (2x4 + 8 or 2x8 + 16 ...) and second if you use 3 sticks you can never run in single channel. You either run in full dual channel, in flex mode or in tripple channel on specific boards such as HEDT boards.


In your sepcific case, I already gave all the information with the correct links that explain it indepth.

引用自 x_wing
引用自 tacoshy
Not true. You can run full dual channel with 3 sticks. You simply have to put 2x4 GB in channel A and the 8GB in channel B. Dual channel requires both channels to have the same RAM capacity.
Also if you run with uneven channel capacity you not run in single channel, you run in flex mode.

https://steamcommunity.com/groups/Master_Race_Geeks/discussions/0/2747650363459040918/

Dual channel means that your system uses a 128 bit bus in order to connect to your ram modules and as each module has a 64 bit bus, having one stick alone won't allow you to have a dual channel setup (at least in that channel...).

As far I can remember, dual channel requires the same amount of ram for each module at the same channel.

so you try to correct soemthing I already proved to be correct (the guide has some validation proof incl Intels own FAQ). Stating somethin that "Dual Channel requires the same ammount of RAM for each Module at the same channel" -> Which again ahs been proven to be wrong and also is the exact same phenomena as explaiend above. that statement wasnt writen by you because you know what you talk about, but you keep saying soemthign you heard (wrongly) from somebody who also didnt know what he was talkign about.

you recieved that awnser simply because you where to lazy (sorry to say) to read that guide. you started right away to discuss about it or trying to say that the awnser is wrong befor reading the included link. If you would, you wouldnt have given that awnser... and saying that you parroting something or havent understood the basics of multichannel obviosly where correct and is not an insult.

PS: And you're still wrong about the bus. Just look up Ganged and Unganged dual channel architecture, then you know why.
Besides its not the RAM module that gives the bus, its soley the IMC. the RAM moduels have no bus, the bus come from the IMC as already said. and with the modern unganged architecture it is not a single 128bit bus but 2 seperate 64bit busses that communicated with the RAm modules independtly.
最後修改者:tacoshy; 2019 年 10 月 22 日 下午 5:02
SeriousCCIE 2019 年 10 月 23 日 上午 7:57 
Maybe we can agree that the OP can walk away with an answer of that he can mix, but the performance would be better if he did not do such mixing.

Buy what one can afford, and don't freak out if you mix it. Just don't expect to reach new heights of performance and stability if purchasing Captain Value's Reject Ram on-sale from mysteryseller007 on ebay.



r.linder 2019 年 10 月 23 日 上午 9:25 
As tacoshy stated, OEMs have been mixing RAM modules for a very long time, it's nothing new, nor will it cause instability with Intel based systems and most AMD systems. Ryzen and TR4 systems are a bit more picky, and often only run stable and allow memory OC with 2 modules installed.
最後修改者:r.linder; 2019 年 10 月 23 日 上午 9:26
Overseer 2019 年 10 月 23 日 上午 11:17 
I am actually interested in why it has to be a 4+4+8 GB configuration. 4+4+4+4 would make more sense and you will end up with the same GB but less issues.
I know that two modules cost slightly more than one but at only 8 GB that difference should be negligible.
r.linder 2019 年 10 月 23 日 上午 11:20 
引用自 Overseer
I am actually interested in why it has to be a 4+4+8 GB configuration. 4+4+4+4 would make more sense and you will end up with the same GB but less issues.
I know that two modules cost slightly more than one but at only 8 GB that difference should be negligible.

Intel has Flex, so there is actually no issue... There would only really be actual issues with Ryzen.
Bad 💀 Motha 2019 年 10 月 23 日 上午 11:30 
Or just ditch the 2x 4gb, sell them or use elsewhere and get yourself some good 2x 8gb
tacoshy 2019 年 10 月 23 日 下午 1:00 
引用自 Overseer
I am actually interested in why it has to be a 4+4+8 GB configuration. 4+4+4+4 would make more sense and you will end up with the same GB but less issues.
I know that two modules cost slightly more than one but at only 8 GB that difference should be negligible.

The thing is that and which most ppl ignore:

Dual channel does not require an even amount of modules. The amount of modules has nothing to do about Multichannel.
The only thing that matters for dual channel is, that both channels have the same capacity.

If you put 2x4 GB in the same channel and 1x8 GB in the other, then both channels have the same amount for RAM and dual channel will work properly.
If the ammo in no of both channels differ, you're not in single channel, you are always in flex mode.

Adding a single module is cheaper and you still can extend RAM capacity by adding another module. Also there will be less stress on the IMC with less modules.
最後修改者:tacoshy; 2019 年 10 月 23 日 下午 1:01
big baby bobkitten 2019 年 10 月 23 日 下午 4:49 
well i aleady added extra ram to mine right before i put in my 2 new 8gb sticks to a dual stick stock 8 i saw 1 blue and 1 green already and i was adding 2 greens looked sketchy but its fine steam sys info says like 25500 of ram it is 24gb one option for it was a single stick 8 blue so 3 shouldve worked fine i have 4 now
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張貼日期: 2019 年 10 月 20 日 上午 4:24
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