Is DDR4 RAM compatible in a DDR3 RAM slot?

VENGEANCE® RGB PRO 32GB DDR4 DRAM 3200MHz C16 Memory Kit — Black VENGEANCE® LPX 64GB DDR4 DRAM 3600MHz C18 Memory Kit

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ddr4 slot vs ddr5 DDR4-2133 · DDR4-2400 · DDR4-2667 · DDR4-2933 · DDR4-3200 · DDR5 Slot · Onboard WiFi · Slot ATX Connector 24-pin

ddr4 sodimm slot AMD B550 Memory Max 128 GB Memory Type DDR4 Memory Slots 4 Memory Speed DDR4-1866; DDR4-2133; DDR4-2400; DDR4-2666; DDR4-2800; DDR4-2933; DDR4-3000