If your computer requires that you install memory in pairs, it doesn't matter if the two memory modules are the same type, size, or speed.

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Quizplus · Accepted Answer

For computers that require memory to be installed in pairs, the two memory modules should ideally be the same type, size, and speed to ensure compatibility and optimal performance. This is known as matching pairs or dual-channel configuration.

If Your Computer Requires That You Install Memory in Pairs