Can i use ddr4 ram with another ddr3 ram

Can i use ddr4 ram with another ddr3 ram ddr4 slot No, you can't use DDR3 on a board that has DDR4 memory slots only They won't fit and won't work ddr4 slot They don't even fit in the same slots There were a very few motherboards that had DDR4 and DDR3 slots, but you could only use one or the other

ddr4 slot DDR4 RAM Slot & 1 SATA SSHD Slot 3 Years Warranty+2 Years Extended Warranty Up to 16GB DDR4 SO-DIMM memory support;

ddr4 vs ddr5 slot Supports AMD AM4 Socket Ryzen™ 2000, 3000, 4000 G-Series, 5000 and 5000 G-Series Desktop Processors; Supports DDR4 3533+ ; 1 PCIe x16, VENGEANCE® RGB PRO 32GB DDR4 DRAM 3200MHz C16 Memory Kit — Black VENGEANCE® LPX 64GB DDR4 DRAM 3600MHz C18 Memory Kit