Voodublu via eBay offers the refurbished Linksys EA9500 AC5400 802.11ac Tri-Band Wireless MU-MIMO Router for $179.99 with free shipping. That's $25 under our May refurb mention and the lowest price we've seen for this router in any condition. (It's also $139 under the best deal we could find for a new one, although most sellers charge $350 or more.) It features a 1.4GHz processor, three dedicated WiFi bands, data transfer rates up to 5.3Gb/s, eight Gigabit Ethernet ports, eight external antennas, and USB 3.0 port.

Note: A 90-day Linksys warranty applies.