Can I Install DDR5 RAM On A DDR4 Motherboard?

ASUS Demonstrates DDR5 to DDR4 Converter Card does ddr4 fit in ddr5 slot Yes You need to choose a z690 or b660 that supports ddr4 Should be in the name, for sure in the specs Edit: z690 is fully overclockable ( does it matter which gpu slot i use Chinese manufacturer Onda has just announced its upcoming Micro-ATX motherboard with support for both DDR4 and DDR5 RAM

does it matter what pcie slot i use for gpu You can't They won't fit in the motherboard together The key notches that fit into the slot in the motherboard are in different positions