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Comparison of Linksys WRT51AB and Synology RT1900ac

The side-by-side comparison of the routers’ specifications. The comparison table below makes it easier to choose the most fitting router.

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Linksys WRT51AB (WRT51AB)
Linksys WRT51AB (WRT51AB)
Synology RT1900ac (RT1900AC)
Synology RT1900ac (RT1900AC)
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Launch 2002 2016
Dimensions 186 x 48 x 175 mm 206 x 66 x 160 mm
Weight 400 g 510 g
Chipset Broadcom BCM4702 @ 125 MHz Broadcom BCM58622 @ 1 GHz
RAM 16 MB 256 MB
Flash 4 MB 4 GB
OS Linksys Synology SRM
Alternative OS
Power supply 5 V / 2.5 A 12 V / 2 A
Protocols IPv4 IPv4
LAN ports 4 x 10/100 Mbps 4 x 10/100/1000 Mbps
WAN ports 1 x 10/100 Mbps 1 x 10/100/1000 Mbps
Mobile network no yes, with USB dongle
VPN support no PPTP
Antennas 2 x 5 dBi
3 x 4.6 dBi
2.4 GHz yes yes
5 GHz no yes
60 GHz no no
Standards IEEE 802.11a/b IEEE 802.11a/b/g/n/ac
Class G54 AC1900
Speed 54 Mbps 600 + 1300 Mbps
Transmit power 18 dBm 20 dBm
Security WEP WEP
Guest network no yes
USB ports no 1 x USB 3.0
Print server no yes
File server no yes
Specials SD card reader
Default IP
Default username admin admin
Default password admin [blank]

A maximum of 3 routers can be compared at the same time. To add or change a router, type the name of the router you’re looking for in the search field of the table’s column, then click on the router’s name in the drop-down list of search results.

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