A disclosed apparatus may extend hold-up times for computing devices with redundant power supply units (PSUs). For example, an apparatus may include a plurality of PSUs and a controller. In one example, the PSUs may be configured to convert power from at least one AC input into a direct current…

A system may comprise a first switch connected to an output of a first power source, a second switch connected to an output of a second power source, a first sensor connected to an output of the first switch, a second sensor connected to an output of the second switch, a third switch connected to…