TP-Link Archer AX11000 Gamer Router has tri-band and 802.11ax
NETGEAR Nighthawk Pro Gaming XR1000 - Wireless router - 4-port switch - GigE, 802.11ax - 802.11a/b/g/n/ac/ax - Dual Band | Dell USA
Link AX Wifi Router/Access Point – Teradek
ASUS AX1800 Dual Band WiFi 6 (802.11ax) Router Supporting MU-MIMO and OFDMA Technology, with AiProtection Classic Network Security Powered by Trend Micro (RT-AX1800S) - Walmart.com
What Do Those 'AC' and 'AX' Numbers on Your Wi-Fi Router Mean? | PCMag
Amazon.com: WiFi 6 Router- AX1500 Dual Band AX WiFi Router, Next-Gen WiFi 802.11ax, Supporting MU-MIMO, Mesh and OFDMA, 1xWAN Port/4xGigabit LAN Ports, WPA3, WPS Ideal for Online Gaming/4K UHD Streaming : Electronics
Amazon.com: TP-Link AX5400 WiFi 6 Router (Archer AX73)- Dual Band Gigabit Wireless Internet Router, High-Speed ax Router for Streaming, Long Range Coverage : Electronics
802.11ax preview: Access points and routers that support the Wi-Fi 6 protocol on tap | Network World