Amazon offers the Netgear Nighthawk X6 AC3000 Smart Wi-Fi Router for $189.65. Clip the coupon on the product page to cut that to $169.95. With free shipping, that's the lowest price we could find by $8. It features a 1GHz dual-core processor, tri-band WiFi, four LAN ethernet ports, WAN ethernet port, six external antennas, USB 3.0 port, and wireless speeds up to 3Gbps.

Update: The price has dropped to $185.55 before coupon, $165.55 after.