can i use ddr3 in ddr4 slot is it safe for ram

can i use ddr3 in ddr4 slot is it safe for ram Product Description：

can i use ddr3 in ddr4 slot is it safe for ram & can i use ddr3 in ddr4 slot is it safe for ram é um slot (caça-níquel) online criado pela Red Tiger.  .

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 is it safe for ram

country of origin：USA

Customer Reviews：can i use ddr3 in ddr4 slot is it safe for ram é um slot (caça-níquel) online criado pela Red Tiger. .