The Netgear APS550W-100NES Modular PSU 550W AC FOR M4300-28G-PoE+/52G-PoE+ is a high-power, modular power supply that is perfect for use with M4300-28G-PoE+ and 52G-PoE+ routers This power supply features a single AC input and provides up to 550W of power to your router It is also backward compatible with older M4300 and 52G routers, making it a great choice for upgrading your network