I SCREWED UP AS I WAS REFERRING TO A SWITCH. But I was trying to help you. That's a fine router, and if you ABSOLUTELY know you will never go VoIP, then you don't need Power over Ethernet. I knew I would so I paid the extra.
TO BE SURE, I AM TALKING ABOUT A SWITCH SO I AM REALLY SPEAKING IGNORANTLY, LOL.
So, I wouldn't worry about it for a router as it doesn't apply. My switch costs about a $1,000, probably would have been around $700 with no PoE.
It is nice, because it powers all of the phones so you don't have to plug each phone in directly. By the time you pay for all of the adapters, it kind of pays for itself. My office is shared with another office, and we have the same VoIP. His has wires everywhere as he doesn't have more than one drop and no PoE. With PoE, you only need one nice UPS for the switch. Without it, you need it for each phone which, of course, can be shared with the computer.
Like those who don't do two or three drops for each computer, those who don't do PoE, regret it later. I did two drops in my office, and now I have four and am still using a five port switch. Not all five ports. I would say two for each room/computer, three or four for your office, and five or six for your front office. Remember, you end up getting a networked MFC, a networked Star printer, a networked printer you didn't think you would need. Then another computer, and you are adding installing Ethernet jacks everywhere.
