Newegg offers the refurbished Asus AC2400 4x4 Dual Band 802.11ac Wireless Router, model no. RT-AC87R, for $199. Coupon code "EMCAPAV28" drops it to $179. With free shipping, that's $69 under the lowest total price we could find for a new one. It features maximum speeds of up to 2.3 Gbps, USB, TrendMicro AiProtection, AiCloud 2.0, USB, and four adjustable antennas.

A 90-day warranty applies, although it's unclear who backs it.