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RB493G

USD199

The RB493G has nine Gigabit ethernet ports, three miniPCI slots, and two switch chips, so the ethernet ports can be connected together in two switch groups for wire speed throughput.

The RB493G also has a USB 2.0 port and a microSD card slot for adding more storage or a 3G USB modem for backup connectivity.

The heart of this device is a high performance Atheros AR7161 CPU and it features 256MB of built in RAM. RB493G includes RouterOS - the operating system, which will turn this powerful system into a highly sophisticated router, firewall or bandwidth manager.

Product specifications

Details
Product code RB493G
CPU AR7161
CPU nominal frequency (per core) 680 MHz
CPU core count 1
Size of RAM 256 MB
Storage type NAND
Storage size 64 MB
10/100/1000 Ethernet ports 9
Number of USB ports 1
Power Jack 1
PoE in Yes
Dimensions 105mm x 160mm
Operating System RouterOS
License level 5
Tested ambient temperature -40°C .. +70°C tested
Voltage Monitor Yes
PCB temperature monitor Yes
Serial port RS232
Architecture MIPS-BE
Supported Voltage 8 V - 28 V
MiniPCI slots 3

Ethernet test results

RB493G AR7161 1G all port test
Mode Configuration 1518 byte 512 byte 64 byte
kpps Mbps kpps Mbps kpps Mbps
Bridging none 58.0 704.4 171.9 704.1 187.3 95.9
Bridging 25 bridge filter rules 58.5 710.4 84.5 346.1 86.4 44.2
Routing none 59.7 725.0 136.1 557.5 147.0 75.3
Routing 25 simple queues 55.2 670.3 117.7 482.1 137.0 70.1
Routing 25 ip filter rules 54.7 664.3 59.4 243.3 59.2 30.3
  • All tests are done with Xena Networks specialized test equipment (XenaBay),and done according to RFC2544 (Xena2544)
  • Max throughput is determined with 30+ second attempts with 0,1% packet loss tolerance in 64, 512, 1518 byte packet sizes
  • Values in Italic indicate that max throughput was reached without maxing out CPU, but because board interface configuration was maxed out
  • Test results show device maximum performance, and are reached using mentioned hardware and software configuration, different configurations most likely will result in lower results