Are Surface Pro 4 Serial Numbers Sequential?

[OMC71]

Just wondered. Getting a replacement which seems to have a lower serial number than the model that died

 

[Chintan Gohel]

Just wondered. Getting a replacement which seems to have a lower serial number than the model that died

the might be but during shipping, packaging and sell, they would get mixed up a lot. Maybe they do a first in last out policy for selling