can we use ddr5 ram in ddr4 slot

can we use ddr5 ram in ddr4 slot Product Description：

can we use ddr5 ram in ddr4 slot & can we use ddr5 ram in ddr4 slot é um slot (caça-níquel) online criado pela Relax Gaming. .

Product parameters：283697

Available Colors：#348560

Available Sizes：541 * 181 * 535

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Model Reference：can we use ddr5 ram in ddr4 slot

country of origin：USA

Customer Reviews：can we use ddr5 ram in ddr4 slot é um slot (caça-níquel) online criado pela Relax Gaming..