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Asus RT-AC66U vs Asus RT-N18U

8.15 in
1.4 in
Asus RT-AC66U Router
Asus RT-AC66U
8.15 in
1.46 in
Asus RT-N18U Router
Asus RT-N18U
Available colors
Editiorial reviews
27
3.8 out of 5
14 user ratings
5 stars
21 %
4 stars
57 %
3 stars
7 %
2 stars
7 %
1 stars
0 %
Read editorial reviews
User rating
50
3.9 out of 5
50 user ratings
5 stars
38 %
4 stars
30 %
3 stars
20 %
2 stars
8 %
1 stars
4 %
35
4.0 out of 5
35 user ratings
5 stars
37 %
4 stars
34 %
3 stars
22 %
2 stars
5 %
1 stars
0 %

Full Comparison

Connectivity

Asus RT-AC66UAsus RT-AC66U
Asus RT-N18UAsus RT-N18U
Connectivity technology
  • Wireless
  • Wired
N/A
Communication modeFull-DuplexFull-Duplex
Number of LAN ports44
Number of WAN ports11
USByesyes
Total USB ports22
Number of USB 2.0 ports21
Number of USB 3.0/3.1 ports01
Number of USB 3.1 ports0
N/A

Design

Asus RT-AC66UAsus RT-AC66U
Asus RT-N18UAsus RT-N18U
Colour of product
  • Black
  • Grey
  • White
  • Black
  • Grey
Active cooling (fan)nono

Dimensions

Asus RT-AC66UAsus RT-AC66U
Asus RT-N18UAsus RT-N18U
Width8.15 in8.15 in
Height1.4 in1.46 in
Depth5.86 in5.91 in
Weight0.99 lb1.15 lb
Number of units11
Rack-mount designnono

Features

Asus RT-AC66UAsus RT-AC66U
Asus RT-N18UAsus RT-N18U
Built-in DSL modemnono
File serverVia USBVia USB
Built-in printer serveryesyes
Designed for wall mountingyesyes
Mobile app for controlling featuresyesyes

Communication

Asus RT-AC66UAsus RT-AC66U
Asus RT-N18UAsus RT-N18U
Frequency band
  • 2.4 GHz
  • 5 GHz
N/A
Management interface
  • Telnet
  • Web/network
  • Telnet
  • Web/network
6to4yesyes
Communication protocol
  • IPv6
  • Multicast
  • Quality of Service
  • Virtual LAN
  • Wireless Multimedia Extensions
  • IPv6
  • Multicast
  • Quality of Service
  • Wireless Multimedia Extensions
Network / transport Protocol
  • PPTP
  • L2TP
  • NTP
  • PPPoE
  • FTP
  • DDNS
N/A
Data link layer
  • Ethernet
  • Fast Ethernet
  • Gigabit Ethernet
  • IEEE 802.11a
  • IEEE 802.11ac
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.11n
  • Ethernet
  • Fast Ethernet
  • Gigabit Ethernet
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.11n
Number of simultaneous connections3006930000
Wireless standards
  • IEEE 802.11a
  • IEEE 802.11ac
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.1Q
  • IEEE 802.3
  • IEEE 802.3ab
  • IEEE 802.3u
  • IEEE 802.3x
  • IEEE 802.11n
  • IEEE 802.11a
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.3
  • IEEE 802.3ab
  • IEEE 802.3u
  • 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-LAN937.0 Mbps800.0 Mbps
VoIP (SIP)nono
Wireless networkyesyes
2.4GHz wireless networkyesyes
2.4GHz data transfer rate450.0 Mbps600.0 Mbps
5GHz wireless networkyesno
5GHz data transfer rate1300.0 Mbps
N/A
External antennayesyes
Detachable antennayesyes
MIMOyesyes
Beamformingyes
N/A
MU-MIMOno
N/A
Number of antennas33
Total wireless data transfer rate1750.0 Mbps600.0 Mbps
Wireless security
  • TKIP
  • WEP
  • WPA-Enterprise
  • WPA-PSK
  • WPA
  • WPA2-Enterprise
  • WPA2-PSK
  • WPA2
  • WPS
  • WEP
  • WPA-PSK
  • WPA
  • WPA2-PSK
  • WPA2
  • WPS

Compatibility

Asus RT-AC66UAsus RT-AC66U
Asus RT-N18UAsus RT-N18U
DynDNSyesyes
Routing protocolStatic IP routing
N/A
Support for alternative firmwareDD-Wrt
  • DD-Wrt
  • OpenWrt
Target audience
  • Smaller offices
  • Business
  • Home users
Home users

Memory

Asus RT-AC66UAsus RT-AC66U
Asus RT-N18UAsus RT-N18U
Included flash memory128.0 MB128.0 MB
Maximum flash memory128.0 MB128.0 MB
Included RAM256.0 MB256.0 MB
Maximum RAM256.0 MB256.0 MB

Power

Asus RT-AC66UAsus RT-AC66U
Asus RT-N18UAsus RT-N18U
Operational Power Consumption (min-max)9.1 - 15< 18
Power over Ethernet (PoE)nono

Security

Asus RT-AC66UAsus RT-AC66U
Asus RT-N18UAsus RT-N18U
DMZyesyes
Number of DMZ ports1
N/A
VPN protocol
  • IPSec
  • L2TP
  • PPTP
  • OpenVPN
  • IPSec
  • L2TP
  • PPTP
  • OpenVPN
VPN clientyesyes
Encryption Algorithm
  • MPPE
  • 128-bit WEP
  • 64-bit WEP
  • WPA-PSK
  • WPA2-PSK
  • WPA-Enterprise
  • WPA2-Enterprise
N/A

Pros & Cons

Pros
      Cons

          Often compared with Asus RT-AC66U

          Often compared with Asus RT-N18U