Is DDR4 backward compatible with DDR3, DDR2 and DDR1?

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Comments8 · Upgrade Laptop RAM Easily · Can I put a DDR3 ram in DDR3L slot · Will 8GB

No They don't even fit in the same slots There were a very few motherboards that had DDR4 and DDR3 slots, but you could only use one With major changes to its physical design, specifications, and features, motherboards with DDR4 slots cannot use DDR3 RAM, and DDR4 RAM can't be

lottery sambad 24_10_2023 You cannot use DDR5 RAM into DDR4 motherboard socket Since DDR4 and DDR5 memory The collective answer is 'NO', ideally you should not mix RAMs of different sizes or speeds on your PC Mixing RAMS of different sizes, speeds, or brands can