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
F4-3200C14-8GTZR
CMR32GX4M4C3333C16
KHX2800C14D4/8GX
BLE8G4D26AFEA.16FA
CMK8GX4M2B3000C15