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My computer says it's designed for PC2-3200 or PC2-4300 ram can I install PC2-5300 ram in it? Answered


If your motherboard is ONLY capable of using PC2-4300, it will just downclock any PC2-5300 that you put in there.

If you mix the two, BIOS will just synchronize their speed to that of the lowest which is the PC2-4300; even if board is compatible w/ PC2-5300.