Use CTRL+F to check if your memory is on this list

If you already own a DDR4 stick but are unsure about it's serial number then you can use CPU-Z to help you identify it (in the spd tab)!

RAM serial number
KHX3000C15D4/8GX
CMK16GX4M2B3000C15
CMK16GX4M2B3200C16
KHX2400C15D4/4G
3200 C16 Series
3000 C15 Series