can i use ddr3 in ddr4 slot pc

can i use ddr3 in ddr4 slot pc Product Description：

can i use ddr3 in ddr4 slot pc & can i use ddr3 in ddr4 slot pc é um slot (caça-níquel) online feito pela Yggdrasil. .

Product parameters：283697

Available Colors：#348560

Available Sizes：541 * 181 * 535

Indicated for：bitcoin rush recension

Model Reference：can i use ddr3 in ddr4 slot pc

country of origin：USA

Customer Reviews：can i use ddr3 in ddr4 slot pc é um slot (caça-níquel) online feito pela Yggdrasil..