Single Rail PC Power Supply ATXVO

Back in 2006 Google proposed single rail PC PSU approach in their white paper. It took 14 years for Intel to practically implement this approach in their ATX12VO Single 12V Rail power supply design guide. However, this is not the end of the road for PC efficiency improvement. Thirteen years ago, in this post I wrote how single-rail 12V power supply efficiency can be further boosted on the system level by updating computer hardware to allow 12V bus to drop to 8-9V. Hopefully, Intel will eventually figure it out. Meantime, here is a detailed description and connector pinouts of ATX12VO power supply.