The XPand1303 is a low-cost, flexible, development platform. This platform supports up to eight 0.8 in. or 1.0 in. pitch air-cooled VPX (VITA 48.1) modules. It provides 550 W of total simultaneous power, which can be distributed as up to 50 A on 12 V, up to 50 A on 5 V, and up to 80 A on 3.3 V. Up to 20 CFM of airflow is provided per slot.X-ES platforms, including the XPand1303, provide a feature-rich solution for system development. Rear Transition Modules (RTMs) provide maximum I/O flexibility and rapid system prototyping. Power and reset LEDs are provided for system status. A momentary push-button and debug access are provided for reset and a switch is provided for DC power enable.The XPand1303 is currently available for purchase in several rapid-development standard configurations. Custom configurations of modules, RTMs, and backplanes are also available utilizing X-ES and third-party components.