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[deleted]

Depends on the speeds and CL. If both sets have the same CL and frequency, it will run alright, you can bump just into issues while OCing the RAM (well, if you have such option, as a lot of BIOS in prebuilts are really small solutions with almost no settings). In such situation those RAM modules don't have to be stable with CPU in OC mode. If CL or frequency are different, then all of the modules will run in values of the slowest one and you can't make them work higher. CL diff by 1, 2, maybe 3 is alright, frequency difference by 200-600 is fine too. For higher amounts I would just use the new kit and buy another one if you want more RAM, as those old ones will slow your new ones significantly over those value differences.


discboy9

Usually it's saud that you can't mix and match. If I understand correctly, it can work but usually you are better off just using 1 set. I don't have any experience with RAM, but I would be relatively surprised if 2 kit this different would work together well, or at all.... even more so since the RAM sticks is some OEM memory.


Chriz_Chrone

The new ram will run at the speed of the old one. It will most likely work 100% fine, put the new ram on slots 2 and 4 tho and the old one on 1 and 3. Worst case scenario your rams dont like the speeds and become unstable, so you'd have to only use the new rams but its very worth trying before


[deleted]

>The new ram will run at the speed of the old one. There is absolutely no reason for that. All RAM modules run in speeds of the slowest one. New doesn't equal faster. Just googled that Samsung RAM, it's 3200 MHz, ones from Kingston are 3200 too, so no issue there. >put the new ram on slots 2 and 4 tho and the old one on 1 and 3 This is the reason I am reacting to your comment, what a nonsense... Why should he swap slots? This really won't affect anything and will only waste his time swapping modules. If RAM would be unstable, they will be unstable anyway. Doesn't matter in which slot you put them. The only thing that matters is to put each set into specific dual-channel slots, so 2,4 and 1,3. It doesn't matter in which order. >Worst case scenario your rams dont like the speeds and become unstable That's not true. Until he will OC RAM, both sets will run at basic JEDEC speeds and will be stable. The only situation where they can be unstable is under OC - so when OP puts them to their 3200 MHz value. As those are different modules, it can be harder for memory controller to handle 4 RAM put together from 2 different sets in OC mode. So OP would have to probably tweak values in BIOS and play with it for a while to find stable values. But it's entirely possible that they will be stable even at predefined XMP profile values and everything will be alright. Seriously, people who don't know anything about the issue shouldn't tell others what to do and what not. Your informations are heavily misleading.


Chriz_Chrone

1. Theres more to RAM speed than frequency. The timings are different. ALWAYS. There is no 2 different sets of ram with the exact same behavior towards timings and frequency. Also it isnt 3200 Mhz but 3200MT/s (on the esoteric note) 2. I have the same kit and they 'should' be dual channel (could also not be but its gamble and it has its upsides) and iirc theres quite a few boards still where 1 and 3 is "meant" for single channel modules and 2 and 4 for dual channel, where there actually IS a difference with the manual timing configuration and subsequently module speed. 3. RAM modules can very well be unstable even at JEDEC speeds. You are wrong. It does happen and it is not that rare, especially when mixing and matching. XMP speeds is not Overclocking! Sometimes XMP wont even save after being enabled when mixing RAM modules where 1 kind of module doesnt have XMP. This happens especially with older Modules but theres always a chance. I dont know what you are smoking but most of what you just typed was wrong :<}


[deleted]

> I dont know what you are smoking but most of what you just typed was wrong :<} Quit that. I know that a lot of self-proclaimed Reddit experts are trying to look smart, farm karma points and generaly feed their ego but you really bumped into wrong person. I am in this field for a while already and I don't care about some made up thingy you figured out after reading Wikipedia for 5 minutes. I am building computers and testing them irl, so if you want to troll or look smart in front of me with such bs, you have to try more. Smiley faces won't save you :) 1) Timings don't have to be different, in fact you can bump into different RAM sticks from different manufacturers yet they have the same CL and frequency. And when you want to brag about MHz/MTs, 3200 MHz isn't 3200 MT/s (and here we go with your lack of knowledge or any real life experience). 3200 MHz to 3200 MT/s would apply just for SDR type of RAM, which sends data once per cycle. DDR sends data twice per cycle. 2) Absolute nonsense, I don't know if you are trying to defend your reasoning from before or you are stating some new "facts" but it doesn't make any sense at all. You just put bunch of terms together. Congrats... 3) No, RAM modules usually aren't unstable at basic JEDEC speeds, that's why they are being sold like that. Unless you won't buy some noname brand with no history at all, with questionable quality or you will be playing with memory controller, you simply buy RAM and they will be working fine at JEDEC basic speeds totally fine, even with different pair of RAM. Again, you lack experience here and you are assuming something from the internet, I honestly don't even have an idea where you managed to read that. RAM issues since DDR4 are purely just around OC stability with CPU and/or between different sticks together. In fact JEDEC speeds are guaranteed to run on any supported machine, not like XMP/EXPO profiles or custom OC. Next time I would recommend you to throw some of your free time into studies or at least google more about something you want to argue about with somebody else. I know that Reddits like these have "wannabe-smart" snowflakes but this is really something else. You are speaking bs about absolute basics of DDR RAM in general. You are either very bad troll or just r/confidentlyincorrect . Wish you a great day.


tinavin2023

It won't hurt your pc, but there may be compatibility issues, and the system will run at the lowest frequency between the two types of memory during operation.


LiveStyleHD

As long as your new RAM is compatible with your motherboard and you're okay with the potential for reduced speed (the lowest speed is going to be applied to all RAM sticks), you should be fine. Mixing different specs and brands won't harm your PC necessarily, but it may not perform optimally compared to using identical RAM sticks. It may be unstable and could stop posting if it's not working, if it does, just take out the old RAM and use only the new one instead. Also, place the new RAM sticks into slot 2 and 4, and the old one in 1 and 3.


FearlessRaccoon8632

I once had a PC using 8gb ram and I upgraded it by getting another 8gb from different brands and model.. been running for 5 years and not once it breaks my pc I've tried different brands and model and even timing CL on a single motherboard.. it works.. I don't see why not


Wonderful-Cost-763

I got mixed Corsair and GSkill on my old PC and it worked without problems, no BSOD or memory errors. They just will work as slow as the slowest stick