Check the link below kenny tells how he installed a replacement fan 10x10 fan from mouser bfb0512hha c with good results.
Xbox one power supply fan fix.
Here are the issues caused due to the power supply.
With your system in instant on the fan runs continuously drawing 16amps 19watts.
The most significant aspect is it has its own surge protector in the power supply.
The power settings for my xbox had been left on instant on from the day of launch until earlier this year.
Xbox one power supply fan fix or replacment.
Your xbox one can be a source of headache for you if you don t deal with your psu issue right away.
Putting your console in its energy saving mode only draws 03amps 4watts.
A problematic power supply unit psu can result in serious issues with your xbox one console.
Is the power supply plugged in.
If yes need to crosscheck to get rid out of the xbox one won t turn on but beeps issue.
So to reset the power supply and little reboot to fix the issue very.
Great quick fix but the grease wears away in a few weeks and it starts up again.
Rune i had previously posted the wrong replacement fan apparently oem power supply fan hard to find a lot of links say fan not available plenty of complete power supplies though if you had too go that way.
I was able to call xbox support and after 3 transfers i was able to buy.