A multi-source power supply for supplying power that includes a first rectifier configured to convert a first AC power signal from a first source to a first DC power signal, a second rectifier configured to convert a second AC power signal from a second source to a second DC power signal and a common bus operatively connected to the first rectifier and the second rectifier and configured to combine a the DC power signals into a combined DC power signal, where the common bus distributes the combined DC power signal to at least one server.