The document provides an overview of the Murata Power Solutions CEF400-112C, a 400 watt single output open frame power supply. The CEF400-112C delivers 400 watts of continuous power in a 1U form factor without additional cooling. It has a high power density of 9.2 watts per cubic inch within a compact 1.59 inch height. Key features include built-in OR-ing FET, I2C interface, overvoltage and overcurrent protection, and an integrated cooling fan. Specifications and mechanical dimensions of the power supply are also included.