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Asus RT-N56U vs Asus RT-N66U

6.77 in
2.36 in
Asus RT-N56U Router
Asus RT-N56U
8.15 in
1.4 in
Asus RT-N66U Router
Asus RT-N66U
Available colors
Editiorial reviews
14
4.3 out of 5
6 user ratings
5 stars
50 %
4 stars
50 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
18
3.9 out of 5
6 user ratings
5 stars
0 %
4 stars
83 %
3 stars
16 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
50
4.1 out of 5
50 user ratings
5 stars
46 %
4 stars
24 %
3 stars
26 %
2 stars
4 %
1 stars
0 %
42
3.8 out of 5
42 user ratings
5 stars
16 %
4 stars
52 %
3 stars
28 %
2 stars
2 %
1 stars
0 %

Full Comparison

Connectivity

Asus RT-N56UAsus RT-N56U
Asus RT-N66UAsus RT-N66U
Connectivity technology
  • Wireless
  • Wired
  • Wireless
  • Wired
Number of LAN ports44
Number of WAN ports11
USByesyes
Total USB ports22
Number of USB 2.0 ports22
Number of USB 3.0/3.1 ports00
Number of USB 3.1 ports00

Design

Asus RT-N56UAsus RT-N56U
Asus RT-N66UAsus RT-N66U
Colour of product
  • Black
  • Grey
  • Black
  • Grey
  • White
Active cooling (fan)nono

Dimensions

Asus RT-N56UAsus RT-N56U
Asus RT-N66UAsus RT-N66U
Width6.77 in8.15 in
Height2.36 in1.4 in
Depth5.71 in5.86 in
Weight0.73 lb0.99 lb
Number of units11
Rack-mount designnono

Features

Asus RT-N56UAsus RT-N56U
Asus RT-N66UAsus RT-N66U
Built-in DSL modemnono
File serverVia USBVia USB
Built-in printer serveryesyes
Mobile app for controlling featuresyesyes

Communication

Asus RT-N56UAsus RT-N56U
Asus RT-N66UAsus RT-N66U
Frequency band
  • 2.4 GHz
  • 5 GHz
  • 2.4 GHz
  • 5 GHz
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
Network / transport Protocol
  • PPTP
  • L2TP
  • PPPoE
  • DHCP
  • PPTP
  • L2TP
  • NTP
  • IPSec
  • PPPoE
  • LPR/LPD
  • FTP
  • DHCP
  • DDNS
Data link layer
  • Ethernet
  • Fast Ethernet
  • Gigabit Ethernet
  • IEEE 802.11a
  • 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 connections3492534925
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
Throughput WAN-LAN802.4 Mbps731.0 Mbps
VoIP (SIP)nono
Wireless networkyesyes
2.4GHz wireless networkyesyes
2.4GHz data transfer rate300.0 Mbps450.0 Mbps
5GHz wireless networkyesyes
5GHz data transfer rate300.0 Mbps450.0 Mbps
External antennanoyes
MIMOyesyes
Beamformingyesyes
MU-MIMOnono
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

Compatibility

Asus RT-N56UAsus RT-N56U
Asus RT-N66UAsus RT-N66U
DynDNSyesyes
Routing protocolStatic IP routingStatic IP routing
Support for alternative firmwareOpenWrt
  • DD-Wrt
  • OpenWrt
Target audienceHome users
  • Smaller offices
  • Business
  • Home users

Memory

Asus RT-N56UAsus RT-N56U
Asus RT-N66UAsus RT-N66U
Included flash memory16.0 MB32.0 MB
Maximum flash memory16.0 MB32.0 MB
Included RAM128.0 MB256.0 MB
Maximum RAM128.0 MB256.0 MB

Power

Asus RT-N56UAsus RT-N56U
Asus RT-N66UAsus RT-N66U
Operational Power Consumption (min-max)5 - 7< 30
Power over Ethernet (PoE)nono

Security

Asus RT-N56UAsus RT-N56U
Asus RT-N66UAsus RT-N66U
DMZyesyes
Number of DMZ ports11
VPN protocol
  • IPSec
  • L2TP
  • PPTP
  • IPSec
  • L2TP
  • PPTP
VPN clientyesyes
Encryption Algorithm
  • 128-bit WEP
  • 64-bit WEP
  • WPA-PSK
  • WPA2-PSK
  • WPA-Enterprise
  • WPA2-Enterprise
  • MPPE
  • 128-bit WEP
  • 64-bit WEP
  • WPA-PSK
  • WPA2-PSK
  • WPA-Enterprise
  • WPA2-Enterprise

Pros & Cons

Pros
      Cons

          Often compared with Asus RT-N66U