Does DDR3DDR2 RAM Work on DDR4 Motherboard?

Key difference between DDR4 and DDR3 RAM ddr4 slot Placa Mãe ASRock B660M Phantom Gaming 4, Intel, M-ATX, DDR4, Socket, LGA 1700 - 1 x slot PCIe x16 , supports modo x4* ddr4 and ddr5 same slot Download 3d DDR4 DIMM Memory Slot model available in 3ds, blend, c4d, fbx, ma, obj, max format

ddr4 in ddr5 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