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TP-Link Archer AX21

Ranked #32 of 36 in Best Wi-Fi 6 and 6E Routers (2026). Here is every spec we scored, where it came from, and how it compares.

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T

#32

TP-Link Archer AX21

Best for: Wi-Fi 6, official AX1800 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

0.9/10

What we like

Official table lists 5 Ethernet ports on the main unit

Watch out for

Official table lists a dual-band radio (no dedicated 6 GHz band)
Fastest official Ethernet port is 1 Gbps
Official combined class is AX1800

Score breakdown

Official Wi-Fi generation 20%

Official combined PHY rate 35%

Fastest official Ethernet port 30%

Official Ethernet port count 15%

Official Wi-Fi generation	Wi-Fi 6
Official combined PHY rate	1800 Mbps
Fastest official Ethernet port	1 Gbps
Official Ethernet port count	5 ports
Official Wi-Fi class (spec table or official title)	AX1800
Sum of official per-band PHY rates (computed)	1775 Mbps
Official radio bands	Dual-band
Processor (official table)	Dual-Core CPU (V4)
Wi-Fi encryption (official table)	WPAWPA2WPA3WPA/WPA2-Enterprise (802.1x)
Official Ethernet wording	1x Gigabit WAN Port 4x Gigabit LAN Ports
Price	Check price

Check price at Amazon

Specs source:

TP-Link official specifications: Archer AX21

TP-Link Archer AX21 head-to-head

Head-to-headTP-Link Archer AX90 vs TP-Link Archer AX21

How it compares

Open the full comparison table

TP-Link Archer AXE300

#1 · Wi-Fi 6E, official AXE16000 class, quad-band, 7 official Ethernet ports, up to 10 Gbps

ASUS RT-AXE7800

#2 · Wi-Fi 6E, official AXE7800 class, tri-band, 5 official Ethernet ports, up to 2.5 Gbps

TP-Link Archer AXE95

#3 · Wi-Fi 6E, official AXE7800 class, tri-band, 5 official Ethernet ports, up to 2.5 Gbps

TP-Link Archer AX11000

#4 · Wi-Fi 6, official AX11000 class, tri-band, 9 official Ethernet ports, up to 2.5 Gbps

TP-Link Archer AXE75

#5 · Wi-Fi 6E, official AXE5400 class, tri-band, 5 official Ethernet ports, up to 2.5 Gbps

TP-Link Archer AX10000

#6 · Wi-Fi 6, official AX10000 class, tri-band, 9 official Ethernet ports, up to 2.5 Gbps

TP-Link Archer AX80

#7 · Wi-Fi 6, official AX6000 class, dual-band, 9 official Ethernet ports, up to 5 Gbps

TP-Link Archer AX5400 Pro

#8 · Wi-Fi 6, official AX5400 class, dual-band, 9 official Ethernet ports, up to 5 Gbps

TP-Link Archer AX72 Pro

#9 · Wi-Fi 6, official AX5400 class, dual-band, 9 official Ethernet ports, up to 5 Gbps

TP-Link Archer AXE5400

#10 · Wi-Fi 6E, official AXE5400 class, tri-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX55 Pro

#11 · Wi-Fi 6, official AX3000 class, dual-band, 13 official Ethernet ports, up to 5 Gbps

TP-Link Archer AX6000

#12 · Wi-Fi 6, official AX6000 class, dual-band, 9 official Ethernet ports, up to 2.5 Gbps

TP-Link Archer AX90

#13 · Wi-Fi 6, official AX6600 class, tri-band, 5 official Ethernet ports, up to 2.5 Gbps

TP-Link Archer AX3000 Pro

#14 · Wi-Fi 6, official AX3000 class, dual-band, 6 official Ethernet ports, up to 2.5 Gbps

ASUS RT-AX82U

#15 · Wi-Fi 6, official AX5400 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX3200

#16 · Wi-Fi 6, official AX3200 class, tri-band, 5 official Ethernet ports, up to 2.5 Gbps

TP-Link Archer AX73

#17 · Wi-Fi 6, official AX5400 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX75

#18 · Wi-Fi 6, official AX5400 class, tri-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX4400

#19 · Wi-Fi 6, official AX4400 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

NETGEAR Nighthawk RAX43

#20 · Wi-Fi 6, official AX4200 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX3000

#21 · Wi-Fi 6, official AX3000 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX50

#22 · Wi-Fi 6, official AX3000 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX55

#23 · Wi-Fi 6, official AX3000 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

ASUS RT-AX1800S

#24 · Wi-Fi 6, official AX1800 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

NETGEAR Nighthawk RAX5

#25 · Wi-Fi 6, official AX1600 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

NETGEAR Nighthawk RAX9

#26 · Wi-Fi 6, official AX1800 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX10

#27 · Wi-Fi 6, official AX1500 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX1450

#28 · Wi-Fi 6, official AX1500 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX1500

#29 · Wi-Fi 6, official AX1500 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX1800

#30 · Wi-Fi 6, official AX1800 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX20

#31 · Wi-Fi 6, official AX1800 class, dual-band, 5 official Ethernet ports, up to 1 Gbps

ASUS RT-AX57 Go

#33 · Wi-Fi 6, official AX3000 class, dual-band, 2 official Ethernet ports, up to 1 Gbps

TP-Link Archer Air

#34 · Wi-Fi 6, official AX3000 class, dual-band, 2 official Ethernet ports, up to 1 Gbps

TP-Link Archer AX1300

#35 · Wi-Fi 6, official AX1300 class, dual-band, 4 official Ethernet ports, up to 1 Gbps

ASUS RT-AX50 Go

#36 · Wi-Fi 6, official AX1500 class, dual-band, 1 official Ethernet ports; port speed not listed