Best Buy offers the refurbished Apple AirPort Extreme 802.11ac Wireless Base Station, model no. ME918LL/A, for $119.99 with free shipping. That's tied with our August refurb mention and is $65 under the lowest total price we could find for a new unit. It uses 802.11ac WiFi technology, which offers up to 40% faster transmissions than 802.11n.
No warranty information is provided.