This is a Genuine Cisco PWR-C2-1025WAC 1025W AC Config2 Secondary Power Supply. It is compatible with Cisco switches and hubs, and is perfect for enterprise networking, servers, and computers/tablets & networking. The brand is Cisco, and the maximum output power is 1025 W. This power supply is ideal for those who need a replacement or an additional power supply for their Cisco devices. It is designed to provide the necessary power to keep your switches and hubs running smoothly. With this power supply, you can ensure that your network devices are always powered up and ready to go.