can i use ddr3 in ddr4 slot

can i use ddr3 in ddr4 slot Product Description：

can i use ddr3 in ddr4 slot & can i use ddr3 in ddr4 slot é um slot online criado pela Relax Gaming.  .

Product parameters：283697

Available Colors：#348560

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Model Reference：can i use ddr3 in ddr4 slot

country of origin：USA

Customer Reviews：can i use ddr3 in ddr4 slot é um slot online criado pela Relax Gaming. .