can you use ddr3 in ddr4 slot

can you use ddr3 in ddr4 slot Product Description：

can you use ddr3 in ddr4 slot & can you use ddr3 in ddr4 slot é um slot online feito pela Reflex Gaming. .

Product parameters：283697

Available Colors：#348560

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Model Reference：can you use ddr3 in ddr4 slot

country of origin：USA

Customer Reviews：can you use ddr3 in ddr4 slot é um slot online feito pela Reflex Gaming..