Currently have 2x Corsair Vengeance 4GB sticks. Want to add 1 more and make 12GB total

MattStruzinski

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Nov 15, 2014
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Is this something I can do? I know people say you aren't supposed to mix and match RAM, must install in pairs, etc etc. But I accidentally got thermal paste in one of my RAM slots and I can't fill all four. I want to upgrade my RAM a bit, and I don't need a full 16GB so can I just add one more 4GB stick of RAM into the last working slot? And would it HAVE to be the same exact RAM I have installed now?
 
Solution
You can try, there's no guarantees, even with an identical set of sticks or stick. If you try and have problems, give a shout, can often get mixed sticks to play with voltage/timings adjustments
So long as the size of the sticks match and the timings as well as voltages aren't too far off, you stand a decent chance of it working. However, as has been mentioned, there are no certainties.

Do you know, for a fact, that the one DIMM slot is totally hosed?