The ETASIS 550W Switching Power Supply is a high-quality redundant power supply unit designed for server systems. With a maximum power output of 550W and a typical input voltage range of 100-240V AC, this hot-swap PSU module offers reliable and efficient power delivery for your server components. The product is part of the PowerEdge product line from Etasis, ensuring compatibility and performance with enterprise networking setups. With its fully tested quality, the ETASIS 550W Switching Power Supply is a dependable choice for maintaining the stability and functionality of your server infrastructure.