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
CMK16GX4M2B3200C16
Galaxy Microsystems Ltd. 8192 MB (DDR4-2137) - XMP 2.0
CMK8GX4M2B3000C15