https://www.dell.com/community/Desktops-General-Read-Only/Any-way-to-recognize-Dell-power-supplies-that-aren-t-standard/td-p/4521163

https://www.dell.com/community/Desktops-General-Read-Only/Any-way-to-recognize-Dell-power-supplies-that-aren-t-standard/td-p/4521163