Unfortunately, as of this time, Microsoft does not sell XBox One AC adapters. XBox One adapters are almost always single voltage. I'm an expat who has bought a US XBox One and would like to use it in Europe. Since no one can source an XBox One EU adapter from Microsoft, the only other source are Chinese knockoffs that are underpowered.
Microsoft US Voltage AC Adapter Specifications:
Input: AC 100~127V 4.91A 50/60Hz
Output: DC 12V 17.9A (215W), 5Vsb 1.0A
Chinese Dual Voltage AC Adapter Specifications:
Input: AC 100~240V 2A, 47~63Hz
Output: DC 12V 10.83A (130W), 5Vsb 1.0A
Can I combine two underpowered adapters, wired up in parallel, to create one full powered source? For both 12V and 5V? What are the risks? Any other options?
There's some hope a knockoff will work as is. AnandTech has tested the draw from an XBox One and found that it only draws 119W max, and as low as 69W otherwise.
http://www.anandtech.com/show/7528/the-xbox-one-mini-review-hardware-analysis/5
Edit – 16-Dec-2013
Thanks for the suggestions about using a stock power supply. Looks like any PC ATX power supply will provide the proper volts at more amps than the knockoffs. They are often dual voltage too. For example:
http://www.newegg.com/Product/Product.aspx?Item=N82E16817152019
This ATX power supply has +12V@18A on pins 10 and 11 (yellow wires) and +5VSB@2.0A on pins 9 (purple wire).
How do I hook up the ATX power supply to the XBox One's two prong connector?
http://www.tinydeal.com/eu-plug-ac-adapter-power-supply-for-xbox-one-p-106421.html
(1) Should I bundle multiple ATX +12V wires together or can I use just a single wire?
(2) I assume that ATX +5VSB amps, being double the XBox One adapter, is ok to use?
(3) I'm making an assumption that the XBox's dual prong plug needs +5V and ground on one prong, and +12V and ground on the other.
(4) I can probably wire the XBox One plug to an ATX female to mate with the ATX power supply.
(5) What are the caveats and am I missing anything?
Best Answer
I THINK : you've got to follow the guide to connect the ATX power supply of the ATX to x360 SLIM converter.
Which can be found here : http://www.youtube.com/watch?v=brIcxSPUF7Q
title : "Repairing XBOX 360 - Part #2 - Powering from PC ATX power supply and taking apart the XBOX!"
And when I saw that, and read about the 5v and 12v, I Couldn't but notice how similar the X360 Slim connector is to the XBOX ONE. It seems identical! except it's 135Watt and the XBOX ONE is max 215Watt but like anandtech says it doesn't use all the juice.
But this also opens another simple fact: If the slim connector is the same as the XBOX ONE, then you can also use an old European X360 fat power supply and put a "Fat to slim converter" on it and it should work.
http://www.avforums.com/threads/converting-360-fat-power-supply-to-360-slim-safe.1452242/
You can buy these converters cheaply on ebay.
The old x360 fat supply is 203Watt which would be more adequate then the Chinese clones of 135Watt which I find to similar to the 135watt X360 slim Chinese clones.