Will DDR4 3200 ram be compatible with a z690 DDR5 motherboard?

No, you can only use DDR4 RAM on this board DDR5 physically doesn't fit into the slots DDR4 RAM cannot fit into a DDR5 slot or vice versa,

DDR4 is not compatible with any earlier type of random-access memory due to different signaling voltage and physical interface, besides other factors

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does slot open on sundays You can select your preferred language independent from your country English DDR3 DDR4 DDR5 Speed * Speed * 1600MTs 1866MTs