A portable server data center and server rack system, includes a carrying case sized to allow the carrying case to be carried onboard an aircraft. A server tray rack rail apparatus is disposed within the carrying case to accommodate a plurality of server trays that are slidable along the rack rail apparatus. Each of the server trays are capable of accommodating a motherboard section and its components, a power supply section and its components, and a cooling apparatus for the motherboard and power supply sections.