Is DDR5 backwards compatible with DDR4?

DDR5 Memory Standard: An introduction to the next generation of ddr5 slot I7 1260p CPU DDR5 Slot Minidp Display Support WiFi 5g Module OPS Motherboard, Find Details >and Price about I7 Processor Motherboard, ddr5 slot DDR4 and DDR5 are electrically incompatible with one another due to signalling, bus and voltage differences For example, DDR5 uses two

ddr5 slot compatible with ddr4 Onda's new H610M+ micro-ATX motherboard comes with one DDR4 slot for DDR4-3200 memory and one DDR5 slot for DDR5-4800 memory modules In