Xbox one PSU

You're asking if you can substitute a 360 PSU for an Xbox One PSU? No.

You're sending in your PSU? Why? Exchange the system with your retailer. The Xbox One is less than 30 days old.

I don't know anyone else with an xbox one, but if anyone does, it might be worth trying the 'noisy' PSU on another xbox one to see if it's a console or PSU issue? I still think it's a PSU one, though we can never tell.

I've asked this question on another thread so....

I don't know anyone else with an xbox one, but if anyone does, it might be worth trying the 'noisy' PSU on another xbox one to see if it's a console or PSU issue? I still think it's a PSU one, though we can never tell.

Actually Microsoft has warned you against the use of xbox one consoles in other regions that have different power requirements:

support.xbox.com/.../about-power-supply

PSUs are designed to be used only in the regions where they are sold.

Don't try to use an Xbox One PSU that was built for a region that has different power requirements.

Don't use an unlicensed accessory, such as a non-Microsoft replacement PSU, or any accessory that plugs in between the console and the PSU.

Don't use the Xbox One external PSU outside the country where it was sold. If you use the PSU in a different country, it or your console may be damaged, and the warranty may be invalidated.

Power supply unit and cord

Your Xbox One console has an external fan-assisted power supply unit (PSU). It measures 6.69 x 1.88 x 2.96 inches (approximately 17 x 4.8 x 7.5 cm). Note that the PSU has the same basic design in all countries. There are no dimensional changes between the
100-110V, 220-240V and 100-240V versions.

Important Microsoft does not license any non-Microsoft accessories that plug into the Xbox One console's power socket. The use of any accessory other than the standard Xbox One PSU may damage your console and void your console warranty.

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Notes

*PSUs are designed to be used only in the regions where they are sold.

*Don't try to use an Xbox One PSU that was built for a region that has different power requirements.

*Don't use an unlicensed accessory, such as a non-Microsoft replacement PSU, or any accessory that plugs in *between the console and the PSU.

*Don't use the Xbox One external PSU outside the country where it was sold. If you use the PSU in a different country, it or your console may be damaged, and the warranty may be invalidated.

*The Xbox One PSU contains an internal fuse that helps protect your console from voltages that are too high and power surges. However, the PSU is a sealed unit. Therefore, you can’t replace the internal fuse.

More Info:
support.xbox.com/.../about-power-supply