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The RB850Gx2 is a five port Gigabit ethernet router. Comparing to the RB450G, the RB850Gx2 is much faster, with a dual core CPU, yet it still retains the same form factor, and will fit into the same enclosures.

The device is powered by a 533MHz P1023 PPC CPU, and also includes a temperature sensor and voltage monitor.

Product specifications

Product code RB850Gx2
CPU nominal frequency (per core) 533 MHz
CPU core count 2
Size of RAM 512 MB
Storage type NAND
Storage size 512 MB
10/100/1000 Ethernet ports 5
Power Jack 2
PoE in Yes
Dimensions 90mm x 115mm
Operating System RouterOS
License level 5
Tested ambient temperature -60°C .. +70°C tested
Max Power consumption 8W
Voltage Monitor Yes
PCB temperature monitor Yes
CPU temperature monitor Yes
Serial port RS232
Architecture PowerPC
Supported Voltage 8 V - 28 V
Memory card type microSD
Memory Cards 1

Ethernet test results

RB850Gx2 P1023 1G all port test
Mode Configuration 1518 byte 512 byte 64 byte
kpps Mbps kpps Mbps kpps Mbps
Bridging none (fast path) 161.9 1966.1 441.8 1809.6 479.1 245.3
Bridging 25 bridge filter rules 161.9 1966.1 203.7 834.4 196.5 100.6
Routing none (fast path) 161.9 1966.1 343.4 1406.6 361.1 184.9
Routing 25 simple queues 161.9 1966.1 299.4 1226.3 312.7 160.1
Routing 25 ip filter rules 124.5 1511.9 130.7 535.3 130.7 66.9
  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