It's not whether PoE ports are supported it's the number of PoE ports you can use. For example a 2800W power supply will not be able to power all the available ports in a 4510 chassis whereas a 4200W power supply would be able to.
So with both power supplies you can use PoE, it's just the number of PoE ports available.
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...