How to Check if RAM is Dual Channel – TechCult
How to Check If RAM is Dual Channel - Read the PC documentation or the motherboard manual. You can also check the configuration in PCs BIOS.
Comparison Gigabyte B760M GAMING X DDR4 vs B760 ...
So even if the RAM slots on your DDR5 RAM were to be physically backward compatible with DDR4 RAM slots, your motherboard wouldn’t know how to control the newer-gen RAM.
Which RAM Slot to Use? Does it Matter? - PC Guide 101
In theory, your motherboard can handle an unlimited amount of RAM. In practice, there are some limits to how much RAM your motherboard can handle.