Computer Memory - Can I combine sets of different capacity and brand?

February 10th, 2010 | by computermemory |
computer memory
c0l0jar0 asked:


I have two computers, both of which I want to do a memory upgrade for.

**Each have four slots

[Comp 1] - DDR2 800 (PC2 6400) has 2x 1GB
—-I want to add 2x 2GB (same brand)

[Comp 2] - DDR 400 (PC 3200) has 2x 512MB
—-I want to add 2x 1GB or 2x 2GB (different brand)

As long as they are in pairs will they work? Will the capacity or brand differences cause a problem?

average computer memory

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  1. 3 Responses to “Computer Memory - Can I combine sets of different capacity and brand?”

  2. By Ronald M on Feb 11, 2010 | Reply

    It shouldn’t cause any problems, as long as they are compatible with your motherboard.

  3. By Imaginary F on Feb 12, 2010 | Reply

    Brand doesn’t matter usually if it certified for your board.
    DDR is different than DDR2 and you won’t even fit in the slot of the other board, but you probably know that.
    Capacity doesn’t matter, but if you have 2 different speeds (PC 3200) the computer will work on the slower speed.

  4. By dyingtobreathe04 on Feb 15, 2010 | Reply

    Brand-matching memory is not a really big factor in the overall performance of your PC, and different capacities, installed in pairs, shouldn’t be a problem either. Just make sure you buy a set of chips with good reviews and you will be fine.

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