There were components either side of the PSU plug in fact - the 3 pin connector did not fit in to the power supply, at least not without pushing stuff out of the way.

Numerous connectors and pins live on your motherboard. We take you on a tour of the most commonly used slots, connectors, and pinouts.

Pictures of Nvidia's new 12-pin power plug show it will offer a significant size advantage over conventional connectors used in today's GPUs ...