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RB493G

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 nominal frequency 680 MHz
CPU core count 1
Architecture MIPS-BE
Size of RAM 256 MB
10/100 Ethernet ports 0
10/100/1000 Ethernet ports 9
MiniPCI slots 3
MiniPCI-e slots 0
Number of USB ports 1
Power Jack 1
802.3af support No
PoE in Yes
PoE out No
Supported input voltage 8 V – 28 V
Voltage Monitor Yes
PCB temperature monitor Yes
CPU temperature monitor No
Dimensions 105mm x 160mm
Operating System RouterOS
Operating temperature range -40°C .. +70°C tested
License level 5
Antenna gain DBI No
Current Monitor No
CPU AR7161-BC1A
SFP ports 0
SFP+ ports 0
Number of chains 0
Serial port RS232
Performance 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
  1. All tests are done with Xena Networks specialized test equipment (XenaBay),and done according to RFC2544 (Xena2544)
  2. Max throughput is determined with 30+ second attempts with 0,1% packet loss tolerance in 64, 512, 1518 byte packet sizes
  3. Values in Italic indicate that max throughput was reached without maxing out CPU, but because board interface configuration was maxed out
  4. Test results show device maximum performance, and are reached using mentioned hardware and software configuration, different configurations most likely will result in lower results

Brochure RB493G