Adding a different 2GB stick to triple channel 3 x 2GB?

Philliipp

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Nov 2, 2014
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I am going to build a new pc using my old triple channel 3 x 2GB corsair XMS3 DDR3 1333Mhz 9-9-9-24 sticks. This is the exact one I have: http://www.ebay.co.uk/itm/Corsair-TR3X6G1333C9-XMS3-6GB-3x2GB-DDR3-1333-MHz-PC3-10666-Desktop-Memory-/191065892530?pt=US_Memory_RAM_&hash=item2c7c6a26b2

Back then, I didn't know much at all about PC parts and bought triple channel memory and installed it on a dual channel motherboard...which was stupid but has worked fine for me for 7 years.

Now that I'm upgrading, I'm planning on buying this motherboard which is dual channel: http://www.amazon.co.uk/dp/B00K80MYNS/?tag=pcp0f-21

Now the question is: can I buy a corsair 2GB RAM stick of the same latency and just plug it into the 4th RAM slot? I've tried looking for an identical RAM stick but they all come in 2 or 3 sticks whereas I only need the 1. So far, I've found this one: http://www.scan.co.uk/products/2gb-corsair-ddr3-xms3-pc3-10666-%281333%29-non-ecc-unbuffered-cas-9-9-9-24-150v This one isn't identical to the other 3 sticks but is the same size and has the same latency - will it work or cause problems?
 
Solution
The three will prob work fine, adding a 4th is a crapshoot, but if you do and have any problems we can prob get them to all play with slight voltage/timing adjustments
There's no way for us to answer that definitively. It might work; it might cause problems. It depends on the motherboard, the ram, and the processor. If you're building with Intel, you have a better shot at making it work.

That being said, it's kind of slow and loose-latency RAM; and for about $80 you can get 2x4GB of 1600MHz, Cas 9 stuff that you know will work.
 

Philliipp

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Nov 2, 2014
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I would love to just get new and better RAM sticks but being on a tight budget of £500 and squeezing in an SSD doesn't allow for any extra expenditure. I could drop the SSD for the RAM which I may decide on doing soon
 


Ah, I feel you. In that case, I suggest you keep the SSD in the build, use the RAM you've got, and upgrade it when you can. A SSD will make a world of difference in terms of making the computer feel fast, and you can upgrade ram without having to reinstall windows, which is awfully nice.