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RA-B6920-4S

The Ragile RA-B6920-4S data center switch offers 128-port 100GbE interface in 4RU chassis, which delivers the highest performance combined with complete L2 and L3 forwarding feature in modern large-scale datacenter networks. RA-B6920-4S based on Broadcom BCM56980 (Tomahawk 3) 12.8Tb/s switch ASIC with maximum port density while consuming minimum power and latency. The RA-B6920-4S switch support latency as low as 700ns in cut-through mode, and a 64 MB packet buffer with a large shared pool allowing for superior burst absorption compared to systems with fixed port buffering. RA-B6920-4S support industry standard 100G optics and cables. All ports allow a choice of speeds including 100GbE or 40GbE, up to 128 interfaces.

The Ragile RA-B6920-4S data center switch offers 128-port 100GbE interface in 4RU chassis, which delivers the highest performance combined with complete L2 and L3 forwarding feature in modern large-scale datacenter networks. RA-B6920-4S based on Broadcom BCM56980 (Tomahawk 3) 12.8Tb/s switch ASIC with maximum port density while consuming minimum power and latency.
The RA-B6920-4S switch support latency as low as 700ns in cut-through mode, and a 64 MB packet buffer with a large shared pool allowing for superior burst absorption compared to systems with fixed port buffering. RA-B6920-4S support industry standard 100G optics and cables. All ports allow a choice of speeds including 100GbE or 40GbE, up to 128 interfaces.

 

NOTE:

The Ragile RA-B6920-4S is a white box switch hardware system with basic SONiC OS. Software and other services need to be purchased separately.

First-class Performance

• 128 × QSFP28 100G Ports

• Up to 25.6 Tbps full duplex

• Up to 8 Bpps

 

Resilient Configuration

• Broadcom BCM56980 (Tomahawk 3)

• Intel Xeon D-1527 Processor (Formerly Broadwell DE)

• 8GB DRAM

• System storage≥240GB

 

Data Center Oriented Design

• Typical power of under 5W per port

• 2+2 redundant & hot-swappable power

• 5+1 redundant & hot-swappable fans

• Tool less maintenance and simple installation

 

Cloud Networking Ready

• Shared 64MB Buffer with burst absorption

• Up to 72K MAC and 80K Host entries

• Over 480K IPv4 Routes

• Over 300K IPv6 Routes

*The above table is the maximum capacity that the switching chip can provide.

 

Outstanding OS Compatibility

• Loaded with Open Network Install Environment (ONIE) software installer and OpenBMC

• Compatible with software for SONiC

 

Fully-loaded Software Functions

• BGP

• Route Policies

• ARP to host routing

• Load Balance based on LAG/ECMP

• Interface ACL

• Global ACL

• etc.

* Download datasheet to see all software functions.

 

1、Specifications

Switch Model

RA-B6920-4S

Port Form

128 × QSFP28

Max 100GbE Ports

128

Max 40GbE Ports

128

Max 25GbE Ports

512

Max 10GbE Ports

512

Switching Capacity

25.6 Tbps

Packets/Second

8 Bpps

Latency (cut-through mode)

700ns

CPU

Intel Xeon D-1527

System Memory

8GB (Up to 32GB)

System Storage

≥240GB

BMC Option

Yes

Switch ASIC

Broadcom BCM56980 (Tomahawk 3)

Packet Buffer Memory

64MB (Dynamic Buffer Allocation)

Management Port

1

Console port

1 (RJ-45)

USB Ports

1

Temperature Alarm

Supports temperature alarm and overtemperature protection

PSU Slot

4 (2+2 redundant)

Fan Module Slot

6 (5+1 redundant)

OS

SONiC

Airflow Options

Standard airflow

Maximum Power Consumption

< 2400W

Dimensions (W x D x H)

17.4 × 28.9 × 6.83 in.

44 2× 735 × 173.5 mm

4RU

Weight

95.9 pounds (43.5kg)

 

2、Standard Compliance

EMC

Emissions: FCC part15 Subpart B,EN55032, EN61000-3-2, EN61000-3-3 or EN61000-3-11, EN61000-3-12(as applicable)
Immunity: EN55035
Emissions and Immunity: EN300386

Safety

UL/CSA 62368-1, EN 62368-1,IEC 62368-1 CB Scheme with all country differences

Certifications

North America (NRTL)
European Union (EU)
BSMI (Taiwan)
C-Tick (Australia)
CCC (PRC)
MSIP (Korea)
EAC (Customs Union)
VCCI (Japan)

European Union Directives

2006/95/EC Low Voltage Directive
2004/108/EC EMC Directive
2011/65/EU RoHS Directive

 

3、Power Supply Specifications

Input Connector

IEC 320-C13

AC

Rated Power

1300W

Input voltage range

100‒240 VAC

Frequency

50~60Hz

Typical Input Current

12-7A

HVDC

Input High-voltage

180-310VDC

Input Current

A

Efficiency (Typical)

94% Platinum

 

4、Environmental Characteristics

Operating Temperature

32 to 104° F (0 to 40°C)

Storage Temperature

-40 to 158° F (-40 to 70°C)

Relative Humidity (Operating)

5 to 95% non-condensing

Altitude (Operating)

0~1800m, (1800~5000m): When the altitude increases by 220m, the maximum temperature decreases by 1°C

 

1、Switch

Model Description
RA-B6920-4S 4 slots for line card and max 128 × 100GbE QSFP28 ports.
4 slots for power supply modules.
6 slots for fan modules.
4 power supply modules and 6 fan modules already included.

2、Mainframe line card

Model Description
M6900-32C 32 × 100GbE line card

3、Fan and Power Supply

Model Description
P2EFAN I-F Fan module for, front-to-rear airflow.
With up to 6 fan modules, support 5+1 redundancy.
PA1300I-F AC power supply module, front-to-rear airflow.
With up to 4 power modules, support 2+2 redundancy.

 

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