The RB493 has nine ethernet ports and three miniPCI slots, it also has a switch chip, so the ethernet ports 2-9 can be grouped together to make it act as a switch.

RB493 includes RouterOS - the operating system, which will turn this powerful system into a highly sophisticated router, firewall or bandwidth manager.

The RB493AH model includes the higher speed Atheros 680MHz CPU, more memory, and a Level5 license for more simultaneous tunnel interfaces and hotspot users.

Product specifications

Product codeRB493AH
10/100 Ethernet ports9
CPU core count1
CPU nominal frequency680 MHz
License level5
MiniPCI slots3
Operating SystemRouterOS
PoE inYes
Power Jack1
Serial portRS232
Size of RAM128 MB
Storage size64 MB
Storage typeNAND
Supported input voltage8 V - 28 V
Tested ambient temperature-40°C .. +70°C tested
Suggested price$169.00

Ethernet test results

RB493AHAR7161 100M all port test
ModeConfiguration1518 byte512 byte64 byte
Bridging25 bridge filter rules16.2196.747.0192.586.444.2
Routing25 simple queues16.2196.747.0192.5137.070.1
Routing25 ip filter rules16.2196.747.0192.559.230.3
  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