RB850Gx2

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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.

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Product specifications

Details
Product Code	RB850Gx2
CPU nominal frequency	533 MHz
CPU core count	2
Architecture	PowerPC
Size of RAM	512 MB
10/100 Ethernet ports	2
Power Jack	2
PoE in	Yes
Supported input voltage	8 V - 28 V
Dimensions	90mm x 115mm
Operating System	RouterOS
Tested ambient temperature	-60°C .. +70°C tested
License level	5
CPU	P1023NSN5CFB
Max Power consumption	8W
Storage type	NAND
Storage size	512 MB
Voltage Monitor	Yes
PCB temperature monitor	Yes

Routerboard test results

RB850Gx2		P1023 1G all port test
Mode	Configuration	1518 byte		512 byte		64 byte
Mode	Configuration	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

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.