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Asus RT-AC66U vs Synology RT1900ac

8.15 in
1.4 in
Asus RT-AC66U Router
Asus RT-AC66U
8.11 in
6.3 in
Synology RT1900ac Router
Synology RT1900ac
Available colors
Editiorial reviews
19
4.3 out of 5
8 user ratings
5 stars
37 %
4 stars
50 %
3 stars
12 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
12
4.4 out of 5
7 user ratings
5 stars
42 %
4 stars
57 %
3 stars
0 %
2 stars
0 %
1 stars
0 %
Read editorial reviews
User rating
60
3.8 out of 5
60 user ratings
5 stars
33 %
4 stars
26 %
3 stars
28 %
2 stars
8 %
1 stars
3 %
40
4.0 out of 5
40 user ratings
5 stars
30 %
4 stars
42 %
3 stars
27 %
2 stars
0 %
1 stars
0 %

Full Comparison

Connectivity

Asus RT-AC66UAsus RT-AC66U
Synology RT1900acSynology RT1900ac
Communication modeFull-DuplexFull-Duplex
Number of LAN ports44
Number of WAN ports11
USByesyes
Total USB ports21
Number of USB 2.0 ports2No
Number of USB 3.0/3.1 ports01
Number of USB 3.1 ports00

Design

Asus RT-AC66UAsus RT-AC66U
Synology RT1900acSynology RT1900ac
Colour of product
  • Black
  • Grey
  • White
Black
Active cooling (fan)nono

Dimensions

Asus RT-AC66UAsus RT-AC66U
Synology RT1900acSynology RT1900ac
Width8.15 in8.11 in
Height1.4 in6.3 in
Depth5.86 in2.6 in
Weight0.99 lb1.12 lb
Number of units11
Rack-mount designnono

Features

Asus RT-AC66UAsus RT-AC66U
Synology RT1900acSynology RT1900ac
Built-in DSL modemnono
File serverVia USBBuilt-in NAS
Built-in printer serveryesyes

Communication

Asus RT-AC66UAsus RT-AC66U
Synology RT1900acSynology RT1900ac
Management interface
  • Telnet
  • Web/network
  • SNMP
  • Web/network
Communication protocol
  • IPv6
  • Multicast
  • Quality of Service
  • Virtual LAN
  • Wireless Multimedia Extensions
  • IPv6
  • Quality of Service
  • Wireless Multimedia Extensions
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 802.11a
  • IEEE 802.11ac
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.11n
Number of simultaneous connections30069100
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 802.11ac
  • IEEE 802.11b
  • IEEE 802.11g
  • IEEE 802.3ab
  • IEEE 802.3u
  • IEEE 802.11n
Mobile broadband supportyesyes
Type of mobile supportUSB modemUSB modem
Mobile 4G (LTE)yesyes
Mobile 3Gyesyes
Throughput WAN-LAN937.0 Mbps942.0 Mbps
VoIP (SIP)nono
Wireless networkyesyes
2.4GHz wireless networkyesyes
2.4GHz data transfer rate450.0 Mbps600.0 Mbps
5GHz wireless networkyesyes
5GHz data transfer rate1300.0 Mbps1300.0 Mbps
External antennayesyes
Detachable antennayesyes
MIMOyesyes
Beamformingyesyes
Number of antennas33
Total wireless data transfer rate1750.0 Mbps1900.0 Mbps
Wireless security
  • TKIP
  • WEP
  • WPA-Enterprise
  • WPA-PSK
  • WPA
  • WPA2-Enterprise
  • WPA2-PSK
  • WPA2
  • WPS
  • WEP
  • WPA
  • WPA2-Enterprise
  • WPA2
  • WPS
  • WPA-PSK

Compatibility

Asus RT-AC66UAsus RT-AC66U
Synology RT1900acSynology RT1900ac
DynDNSyesyes
Target audience
  • Smaller offices
  • Business
  • Home users
  • Smaller offices
  • Business
  • Home users

Memory

Asus RT-AC66UAsus RT-AC66U
Synology RT1900acSynology RT1900ac
Included RAM256.0 MB256.0 MB
Maximum RAM256.0 MB256.0 MB

Power

Asus RT-AC66UAsus RT-AC66U
Synology RT1900acSynology RT1900ac
Operational Power Consumption (min-max)9.1 - 157.45 - 10.82
Power over Ethernet (PoE)nono

Security

Asus RT-AC66UAsus RT-AC66U
Synology RT1900acSynology RT1900ac
DMZyesyes
VPN protocol
  • IPSec
  • L2TP
  • PPTP
  • OpenVPN
  • IPSec
  • L2TP
  • PPTP
  • OpenVPN
VPN clientyesyes

Pros & Cons

Pros
      Cons

          Often compared with Asus RT-AC66U

          Often compared with Synology RT1900ac