The SUPERMICRO PWS-407P-1R is a compact and efficient 400W power supply unit designed for Supermicro's server and workstation platforms. This PSU is tailored to meet the needs of small to medium-sized business applications, providing a reliable power source for servers requiring lower power consumption. With an 80 PLUS Platinum certification, the PWS-407P-1R offers up to 94% energy efficiency, reducing electricity usage and cooling requirements, thereby lowering operational costs. It supports a redundant power configuration, offering enhanced reliability and minimizing downtime by ensuring continued power in the event of a PSU failure. The unit incorporates active Power Factor Correction (PFC) to improve the power quality and reduce electrical load stress. Safety features include overcurrent, overvoltage, and short-circuit protection to protect the server components from power-related issues. Its compact size ensures compatibility with various Supermicro server chassis, making it a versatile power solution for a wide range of computing environments.