can we use ddr5 ram in ddr4 slot laptop

can we use ddr5 ram in ddr4 slot laptop Product Description：

can we use ddr5 ram in ddr4 slot laptop & O slot can we use ddr5 ram in ddr4 slot laptop foi concebido pela caça-níqueis ELK Studios. .

Product parameters：283697

Available Colors：#348560

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Model Reference：can we use ddr5 ram in ddr4 slot laptop

country of origin：USA

Customer Reviews：O slot can we use ddr5 ram in ddr4 slot laptop foi concebido pela caça-níqueis ELK Studios..