can i use ddr3 ram in ddr4 slot pc

can i use ddr3 ram in ddr4 slot pc Product Description：

can i use ddr3 ram in ddr4 slot pc & A Playtech traz o Zodíaco Chinês para os tambores no belo caça-níqueis can i use ddr3 ram in ddr4 slot pc.  .

Product parameters：283697

Available Colors：#348560

Available Sizes：541 * 181 * 535

Indicated for：bitcoin rush recension

Model Reference：can i use ddr3 ram in ddr4 slot pc

country of origin：USA

Customer Reviews：A Playtech traz o Zodíaco Chinês para os tambores no belo caça-níqueis can i use ddr3 ram in ddr4 slot pc. .