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
CL15-15-15 D4-2133
CMK16GX4M2B3200C16
TEAMGROUP-UD4-2133
M378A1K43CB2-CRC
CL16-16-16 D4-2400