Power supply. Internal. 720 W. For Power over Ethernet (PoE) compatible 5500 series switches ONLY. Will supply up to 435 watts of PoE power per supply and redundant power if added as second supply.. Features. Compatibility. 5500 series. Internal. Yes. Product type. Power supply. Power. AC input frequency. 50 - 60 Hz. AC input voltage. 100 - 240 V. Total power. 720 W