USW-Pro-24-POE Gen2 has a total of 24 POE-Out ports. 1-16 ports support 802.3af/at standards, 17-24 ports support 802.3bt (60W) standards. The total POE budget is 400W (total power of 450W, 50W switch power consumption).
The pair of 10G SFP + ports with 1G SFP backward compatibility will serve as the Uplink. In case of power failure, the switch can be connected to the UniFi SmartPower backup system, which can handle up to 6 supported devices.