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Asus RT-N18U vs Asus RT-N56U

8.15 in
1.46 in
Asus RT-N18U Router
Asus RT-N18U
6.77 in
2.36 in
Asus RT-N56U Router
Asus RT-N56U
Available colors
Editiorial reviews
18
4.4 out of 5
10 user ratings
5 stars
60 %
4 stars
40 %
3 stars
0 %
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 %
43
4.2 out of 5
43 user ratings
5 stars
51 %
4 stars
25 %
3 stars
18 %
2 stars
4 %
1 stars
0 %

Full Comparison

Connectivity

Asus RT-N18UAsus RT-N18U
Asus RT-N56UAsus RT-N56U
Communication modeFull-Duplex
  • Full-Duplex
  • Half-Duplex
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-N56UAsus RT-N56U
Colour of product
  • Black
  • Grey
  • Black
  • Grey
Active cooling (fan)nono

Dimensions

Asus RT-N18UAsus RT-N18U
Asus RT-N56UAsus RT-N56U
Width8.15 in6.77 in
Height1.46 in2.36 in
Depth5.91 in5.71 in
Weight1.15 lb0.73 lb
Number of units11
Rack-mount designnono

Features

Asus RT-N18UAsus RT-N18U
Asus RT-N56UAsus RT-N56U
Built-in DSL modemnono
File serverVia USBVia USB
Built-in printer serveryesyes
Designed for wall mountingyes
N/A
Mobile app for controlling featuresyesyes

Communication

Asus RT-N18UAsus RT-N18U
Asus RT-N56UAsus RT-N56U
Management interface
  • Telnet
  • Web/network
  • Telnet
  • 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 802.11n
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)yes
N/A
Throughput WAN-LAN800.0 Mbps802.4 Mbps
VoIP (SIP)nono
Wireless networkyesyes
2.4GHz wireless networkyesyes
2.4GHz data transfer rate600.0 Mbps300.0 Mbps
5GHz wireless networknoyes
External antennayesno
Detachable antennayes
N/A
MIMOyesyes
Number of antennas3
N/A
Total wireless data transfer rate600.0 Mbps600.0 Mbps
Wireless security
  • WEP
  • WPA-PSK
  • WPA
  • WPA2-PSK
  • WPA2
  • WPS
  • WEP
  • WPA-PSK
  • WPA
  • WPA2-PSK
  • WPA2
  • WPS
Frequency band
N/A
  • 2.4 GHz
  • 5 GHz
Network / transport Protocol
N/A
  • PPTP
  • L2TP
  • PPPoE
  • DHCP
5GHz data transfer rate
N/A
300.0 Mbps
Beamforming
N/A
yes
MU-MIMO
N/A
no

Compatibility

Asus RT-N18UAsus RT-N18U
Asus RT-N56UAsus RT-N56U
DynDNSyesyes
Support for alternative firmware
  • DD-Wrt
  • OpenWrt
OpenWrt
Target audienceHome usersHome users
Routing protocol
N/A
Static IP routing

Memory

Asus RT-N18UAsus RT-N18U
Asus RT-N56UAsus RT-N56U
Included flash memory128.0 MB16.0 MB
Maximum flash memory128.0 MB16.0 MB
Included RAM256.0 MB128.0 MB
Maximum RAM256.0 MB128.0 MB

Power

Asus RT-N18UAsus RT-N18U
Asus RT-N56UAsus RT-N56U
Operational Power Consumption (min-max)< 185 - 7
Power over Ethernet (PoE)nono

Security

Asus RT-N18UAsus RT-N18U
Asus RT-N56UAsus RT-N56U
DMZyesyes
VPN protocol
  • IPSec
  • L2TP
  • PPTP
  • OpenVPN
  • IPSec
  • L2TP
  • PPTP
VPN clientyesyes
Number of DMZ ports
N/A
1
Encryption Algorithm
N/A
  • 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-N56U