At first glance, the slim design of this 500W redundant power supply is impressive. The compact build is perfect for space-critical installations that require a reliable redundancy system. The EnGenius Power Supply ERA50-SPD2H-BF operates with a 1+1 configuration that ensures uninterrupted power supply in the event of a power outage. The power supply unit is C-UL-US, CE, and FCC certified, which confirms its safe and reliable functionality. However, the installation process of the EnGenius PowerSee full review