We and our partners use cookies to give you the best online experience, including to personalise advertising and content. Data about your interaction with this site and the ads shown to you may be shared with companies involved in the delivery and/or personalisation of ads on this site and elsewhere online.

Asus RT-N18U vs Asus RT-N66U

8.15 in
1.46 in
Asus RT-N18U Router
Asus RT-N18U
8.15 in
1.4 in
Asus RT-N66U Router
Asus RT-N66U
Available colors
Editiorial reviews
23
4.1 out of 5
10 user ratings
5 stars
20 %
4 stars
70 %
3 stars
10 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
35
4.0 out of 5
35 user ratings
5 stars
37 %
4 stars
34 %
3 stars
22 %
2 stars
5 %
1 stars
0 %
34
3.9 out of 5
34 user ratings
5 stars
17 %
4 stars
55 %
3 stars
26 %
2 stars
0 %
1 stars
0 %

Full Comparison

Connectivity

Asus RT-N18UAsus RT-N18U
Asus RT-N66UAsus RT-N66U
Communication modeFull-Duplex
N/A
Number of LAN ports44
Number of WAN ports11
USByesyes
Total USB ports22
Number of USB 2.0 ports12
Number of USB 3.0/3.1 ports10
Connectivity technology
N/A
  • Wireless
  • Wired
Number of USB 3.1 ports
N/A
0

Design

Asus RT-N18UAsus RT-N18U
Asus RT-N66UAsus RT-N66U
Colour of product
  • Black
  • Grey
  • Black
  • Grey
  • White
Active cooling (fan)nono

Dimensions

Asus RT-N18UAsus RT-N18U
Asus RT-N66UAsus RT-N66U
Width8.15 in8.15 in
Height1.46 in1.4 in
Depth5.91 in5.86 in
Weight1.15 lb0.99 lb
Number of units11
Rack-mount designnono

Features

Asus RT-N18UAsus RT-N18U
Asus RT-N66UAsus RT-N66U
Built-in DSL modemnono
File serverVia USBVia USB
Built-in printer serveryesyes
Designed for wall mountingyesyes
Mobile app for controlling featuresyesyes

Communication

Asus RT-N18UAsus RT-N18U
Asus RT-N66UAsus RT-N66U
Management interface
  • Telnet
  • Web/network
Web/network
6to4yesyes
Communication protocol
  • IPv6
  • Multicast
  • Quality of Service
  • Wireless Multimedia Extensions
  • IPv6
  • Multicast
  • Quality of Service
  • Wireless Multimedia Extensions
Data link layer
  • Ethernet
  • Fast Ethernet
  • Gigabit Ethernet
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.11n
  • Ethernet
  • Fast Ethernet
  • Gigabit Ethernet
  • IEEE 802.11a
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.11n
Number of simultaneous connections3000034925
Wireless standards
  • IEEE 802.11a
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.3
  • IEEE 802.3ab
  • IEEE 802.3u
  • IEEE 802.11n
  • IEEE 802.11a
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.3
  • IEEE 802.3ab
  • IEEE 802.3u
  • IEEE 802.3x
  • IEEE 802.11n
Jumbo frames supportyesyes
Mobile broadband supportyesyes
Type of mobile supportUSB modemUSB modem
Mobile HSUPAyesyes
Mobile HSDPA (turbo-3G)yesyes
Mobile 4G (LTE)yesyes
Mobile 3Gyesyes
Mobile 2G (GSM)yesyes
Throughput WAN-LAN800.0 Mbps731.0 Mbps
VoIP (SIP)nono
Wireless networkyesyes
2.4GHz wireless networkyesyes
2.4GHz data transfer rate600.0 Mbps450.0 Mbps
5GHz wireless networknoyes
External antennayesyes
Detachable antennayesyes
MIMOyesyes
Number of antennas33
Total wireless data transfer rate600.0 Mbps900.0 Mbps
Wireless security
  • WEP
  • WPA-PSK
  • WPA
  • WPA2-PSK
  • WPA2
  • WPS
  • TKIP
  • WEP
  • WPA-PSK
  • WPA
  • WPA2-PSK
  • WPA2
  • WPS
Frequency band
N/A
  • 2.4 GHz
  • 5 GHz
Network / transport Protocol
N/A
  • PPTP
  • L2TP
  • NTP
  • IPSec
  • PPPoE
  • LPR/LPD
  • FTP
  • DHCP
  • DDNS
5GHz data transfer rate
N/A
450.0 Mbps
Beamforming
N/A
yes
MU-MIMO
N/A
no

Compatibility

Asus RT-N18UAsus RT-N18U
Asus RT-N66UAsus RT-N66U
DynDNSyesyes
Support for alternative firmware
  • DD-Wrt
  • OpenWrt
  • DD-Wrt
  • OpenWrt
Target audienceHome users
  • Smaller offices
  • Business
  • Home users
Routing protocol
N/A
Static IP routing

Memory

Asus RT-N18UAsus RT-N18U
Asus RT-N66UAsus RT-N66U
Included flash memory128.0 MB32.0 MB
Maximum flash memory128.0 MB32.0 MB
Included RAM256.0 MB256.0 MB
Maximum RAM256.0 MB256.0 MB

Power

Asus RT-N18UAsus RT-N18U
Asus RT-N66UAsus RT-N66U
Operational Power Consumption (min-max)< 18< 30
Power over Ethernet (PoE)nono

Security

Asus RT-N18UAsus RT-N18U
Asus RT-N66UAsus RT-N66U
DMZyesyes
VPN protocol
  • IPSec
  • L2TP
  • PPTP
  • OpenVPN
  • IPSec
  • L2TP
  • PPTP
VPN clientyesyes
Number of DMZ ports
N/A
1
Encryption Algorithm
N/A
  • MPPE
  • 128-bit WEP
  • 64-bit WEP
  • WPA-PSK
  • WPA2-PSK
  • WPA-Enterprise
  • WPA2-Enterprise

Pros & Cons

Pros
      Cons

          Often compared with Asus RT-N18U

          Often compared with Asus RT-N66U