Serial numbers for all Apple Displays can be found on the:
- System Information tool
- Original Packaging
- Original Purchase Receipt
- Apple Store Repair Receipt or AASP Service Receipt
Apple Pro Display XDR
The serial number for the Pro Display XDR can be found inside the magnetic latching mechanism for the mount.
Apple Thunderbolt Display
The serial number for the Thunderbolt Display can be found on the base of the stand.
Apple Cinema Display
The serial number for the Cinema Display can be found on the base of the stand and the base of the display.