A portable and mobile deployable data center (DDC) is disclosed that includes various components that enables the DDC to have multiple functions including, computing, data storage and retrieval, communications and routing. A DDC includes a rugged case that is suitable for harsh environments, an interconnection mechanism, a plurality of hot swappable computing assemblies that include the functionality of readers and portable computing devices, and a plurality of hot swappable power supplies. The DDC includes computer assemblies, computing devices, and readers, or combinations thereof.