Power supply block for Xbox One X console

Web have acquired some internal power supply unit for Xbox One X console. These PSU are marked on label as " prototype not for sale ". They look new but we believe they were pulled from Xbox One X dev. or prototype units. They are exactly the same as the ones in actual production. 

Specification: 

Model : 1815   Rev. E3a

Input: 100~127V @2.75A   50/60HZ, 

           200~240V@1.3A  50/60HZ

Output: 12V @20.42A