4GB + 2GB Ram = 6GB ok?
- Thread starter kyd15
- Start date
Solution
In theory they will work. You're better off having all modules being of the same brand, and even better having all modules purchased together as a set. There are instances where mixing different RAM modules will not work despite all of their specs matching. If they work together then you shouldn't see any performance drops. Just make sure you're running a 64-bit OS so that all 6GB are recognized.
KLawinger
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I would say no, the cas latencies are different as well as capacities. While the capacities isnt as big of a deal if the cas latencies are different then it will not work without some serious tinkering.
Chances are they wont work at all
Chances are they wont work at all
Antonis117
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Check the CAS Latency of these two rams to be the SAME and you should be ok. However it is recommended to use IDENTICAL rams to be 100% sure.
Antonis117
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blazorthon
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If you have the two modules then it doesn't matter if we say they will probably work or probably not. Try them and see what happens. Trying them together will not hurt anything.
A robust enough motherboard BIOS can sometimes make modules of different timings and such work together, granted they will work at the lowest settings supported by both modules or at the default settings for the board (usually DDR3-1333 9-9-9-24 or DDR3-1066 9-9-9-24 for H61 boards).
However, I will note that having a 2GB module in dual channel with a 4GB module is a less than ideal situation, even if the motherboard will let it work. If it works and it runs fine, then no worries. If not, then if you need a memory upgrade, you'll have to buy a 2x4GB kit.
A robust enough motherboard BIOS can sometimes make modules of different timings and such work together, granted they will work at the lowest settings supported by both modules or at the default settings for the board (usually DDR3-1333 9-9-9-24 or DDR3-1066 9-9-9-24 for H61 boards).
However, I will note that having a 2GB module in dual channel with a 4GB module is a less than ideal situation, even if the motherboard will let it work. If it works and it runs fine, then no worries. If not, then if you need a memory upgrade, you'll have to buy a 2x4GB kit.
Antonis117
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10tacle
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This Adata example is CL9: https://www.memoryc.com/computermemory/ddr3ram/2gbadataddr3pc3106661333mhzcl9desktopmemorymodule.html .
On NewEgg, G.Skill has mostly CL9 4GB RAM, with two that are CL7 in Ripjaw form. We need the exact model number for both memory sticks to be sure.
On NewEgg, G.Skill has mostly CL9 4GB RAM, with two that are CL7 in Ripjaw form. We need the exact model number for both memory sticks to be sure.
blazorthon
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Even knowing if the specs are the same or not will not mean we know if they will work or not. That depends on the motherboard's BIOS more than anything. If OP already has them, then OP might as well give them a try and see what happens. Speculating as to whether or not they'll work is a waste of time because OP can just test it and get the most accurate results faster than we can speculate.
JakeGuitarizt
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i have the same question but my laptop is lenovo g470 32bit intel celeron cpu b820 @ 1.70Ghz
i tried it in a computer shop they have a same specs of my stick.. but 4gb then they insert it then my laptop is work fine..
but i dont know f the 6gb ram is effective for a recording??
--Jake
i tried it in a computer shop they have a same specs of my stick.. but 4gb then they insert it then my laptop is work fine..
but i dont know f the 6gb ram is effective for a recording??
--Jake
gskill support
Splendid
blazorthon is exactly correct. There are too many factors with compatibility, in the end, the quickest and only method to determine is to test them. It doesn't hurt to try, just make sure they are firmly inserted and installed properly.
Whatever any one else says is just a random guess, hence why there is never really a consistent answer.
Whatever any one else says is just a random guess, hence why there is never really a consistent answer.
Tradesman1
Legenda in Aeternum
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Tradesman1
Legenda in Aeternum
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Depends on you, If the slower is a or are strong sticks, can often OC to the higher, can be a PITA, but it can often be done 
gskill support
Splendid
All RAM can only default to a maximum value. For DDR3 it is usually DDR3-1333 CL9 or DDR3-1600 CL11.
So if you have RAM of different frequencies installed, they will still default to one of these values. Then it is up to the user to test and determine what the two kits are capable of. For example, if you had DDR3-2400 CL10 and DDR3-1866 CL8, they boot up at DDR3-1333 CL9. Next step is to test 1600, then 1866 and see what they can do. Some times they can work well, DDR3-2400 CL11 or DDR3-2133 CL9, some times they don't work at all, so it just depends on the two kits you get in hand. I don't mean the same model numbers, I mean the exact sticks you get in your hand. This is basically like the in-house testing we do to make sure each kit is matching and fully capable of the rated specs you pay for. We do this to save you the hassle, hence why we recommend purchasing complete kits rather than multiple kits where the maximum result is not guaranteed.
So if you have RAM of different frequencies installed, they will still default to one of these values. Then it is up to the user to test and determine what the two kits are capable of. For example, if you had DDR3-2400 CL10 and DDR3-1866 CL8, they boot up at DDR3-1333 CL9. Next step is to test 1600, then 1866 and see what they can do. Some times they can work well, DDR3-2400 CL11 or DDR3-2133 CL9, some times they don't work at all, so it just depends on the two kits you get in hand. I don't mean the same model numbers, I mean the exact sticks you get in your hand. This is basically like the in-house testing we do to make sure each kit is matching and fully capable of the rated specs you pay for. We do this to save you the hassle, hence why we recommend purchasing complete kits rather than multiple kits where the maximum result is not guaranteed.
eugen pilla
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k this caught my attention right away cause i had a motherboard with 4 ram slots before and i thaught the same thing i has 2x1 installed i upgraded to 2x2 then i figured why not run them together get 6gb of ram but it doesn't work like that if u install a 1 gb stick with a 2gb stick only 1gb of the 2 gb stick will you useful so instead of getting 3 you would only have 2
Tradesman1
Legenda in Aeternum
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Yes it can work, with your example if a fairly recent mobo, last 5-6 years or (and many older than that) you could install from CPU 2GB-1GB-2GB-1GB for 6 GB total and if they play all 6 will run in Flex mode (on Intel), AMD has their own imitation of Intels Flex mode
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