United States$5,000,000+
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I
Ian Coleman
5
Managed InfiniBand switch handled HPC workloads well.
834979-B22
Mellanox IB EDR v2 36p RAF Managed Swch
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834979-B22
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- Mellanox IB EDR v2 36p RAF Managed Swch
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834979-B22 Overview
834979-B22 is a high-performance network switch that features a modular architecture optimized for scalability, efficient stacking, and robust performance in demanding environments. Its design incorporates advanced power options, including redundant power supply configurations, alongside a comprehensive assortment of Ethernet and uplink ports to support various network setups.
834979-B22 delivers consistent network reliability and exceptional throughput, making it suitable for a wide range of use cases from enterprise campus deployments to data center interconnects. Its integrated management capabilities, expandable port configurations, and secure connectivity ensure that performance is maintained even in mission-critical applications.
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834979-B22 Specifications
- Product Type
- Switch
- Form Factor
- Rack-mount
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Layer Supported
- Layer 3
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- Flash Memory
- 256 MB
- Width
- 17.5 inches
- IOS
- IP Services
- Height
- 1.75 inches
- POE Support
- POE+
- Memory
- 512 MB
- Uplink Configuration
- 10G
- Depth
- 12 inches
- Weight
- 22 lbs
- Power Source
- Redundant Power Supply
- Switching Capacity
- 320 Gbps
- Switching Capacity with Stacking
- 640 Gbps
- SFP Ports
- 12 SFP Ports
- Power Consumption
- 45 W
- Manufacturer Part Number
- 834979-B22
- Port/Expansion Slot Details
- Modular stacking ports and expansion slots for added interfaces
- Product Name
- Catalyst 834979-B22 Modular Switch
834979-B22 Use Case
High-Performance Computing Cluster Interconnect
In a university supercomputing center, the 834979-B22-Mellanox IB EDR v2 36p RAF Managed Switch delivers 100 Gbps InfiniBand EDR connectivity across 36 compute nodes, reducing inter-node latency to under 1 µs and boosting simulation throughput by 35%, accelerating scientific discoveries.
NVMe-over-Fabrics Enterprise Storage Fabric
For a data-intensive enterprise, the 834979-B22-Mellanox IB EDR v2 36p RAF Managed Switch creates a lossless 100 Gbps InfiniBand fabric to NVMe-SSD arrays, improving I/O performance by 60% and delivering sub-millisecond database response times for business-critical analytics.
Low-Latency Financial Trading Infrastructure
In a high-frequency trading firm, the 834979-B22-Mellanox IB EDR v2 36p RAF Managed Switch provides a deterministic 100 Gbps InfiniBand EDR network with sub-microsecond jitter, cutting transaction latency by 40% and maximizing trade execution speed for competitive market advantage.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 834979-B22 |  AJ820C |  C8R42A |  AM868C |  Q6M29A | |
|---|---|---|---|---|---|
| Depth | 12 inches | 11 inches | 11 inches | N/A | 12 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1 inch | N/A | 1.75 inches |
| IOS | IP Services | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 3 | Layer 3 | Layer 2 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | 834979-B22 | AJ820C | C8R42A | AM868C | Q6M29A |
| Media Type Supported | Combo | Combo | Combo | Combo | Combo |
| Memory | 512 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports | 24 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ | POE+ | POE+ | POE+ |
| Port/Expansion Slot Details | Modular stacking ports and expansion slots for added interfaces | 24 RJ-45 ports with 4 fixed SFP uplink slots | 24 Ethernet ports with 4 SFP uplink slots | N/A | 24 Ethernet ports with 4 dedicated SFP uplink slots |
| Power Consumption | 45 W | 120W | 35 W | N/A | 85 W |
| Power Source | Redundant Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | Catalyst 834979-B22 Modular Switch | AJ820C Enterprise-Grade Stackable Switch | C8R42A Advanced Managed Switch | AM868C Stackable Managed Ethernet Switch | Q6M29A High-Performance Stackable Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | Yes | Yes | Yes |
| SFP Ports | 12 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 320 Gbps | 192 Gbps | 256 Gbps | N/A | 128 Gbps |
| Switching Capacity with Stacking | 640 Gbps | 384 Gbps | 512 Gbps | N/A | 256 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
| Weight | 22 lbs | 15 lbs | 12 lbs | N/A | 15 lbs |
| Width | 17.5 inches | 17.5 inches | 17.6 inches | N/A | 17.5 inches |
Reviews & Ratings
T
Trevor Miles
4
Low latency and reliable performance.
S
Scott Jensen
5
Stable under heavy compute traffic.
V
Victor Neal
3
Strong option for clustered environments.
D
Daniel Frost
4
Consistent and predictable operation.
Questions & Answers
What is the Mellanox IB EDR v2 36p RAF Managed Switch (SKU: 834979-B22)?
The Mellanox IB EDR v2 36p RAF Managed Switch is a 1U enterprise-grade InfiniBand switch offering 36 EDR (100 Gb/s) ports, advanced RoCE support, sub-microsecond latency and comprehensive management features for high-performance computing and data center environments.
What throughput and latency can I expect from this 36-port EDR switch?
Each EDR port delivers up to 100 Gb/s bi-directional bandwidth, supporting an aggregate throughput of 3.6 Tb/s, with end-to-end latencies as low as 600 ns under typical InfiniBand workloads.
Does the switch support RoCE and HPC fabrics?
Yes, the switch natively supports RoCE v2 for converged Ethernet/InfiniBand fabrics and is fully compatible with HPC MPI libraries, ensuring lossless transport and optimal cluster performance.
Which management interfaces does this switch provide?
It offers web-based GUI, CLI over SSH/Telnet, SNMP v3, and RESTful APIs for automated provisioning, monitoring and full lifecycle firmware upgrades.