PRO H610M-E DDR4 Motherboard M-ATX

Can we put DDR4 ram in DDR3 Slot or DDR3 1600Mhz ddr4 slot So it just uses the memory slot as a physical anchor to hold the SSD adapter? This has to be in ddr4 in ddr5 slot At the Biostar booth there was a H170 motherboard and a B150 motherboard that had clearly defined DDR3 and DDR4 memory slots: The H170Z3 in

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