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834979-B22
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Mellanox IB EDR v2 36p RAF Managed Swch
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Name:
834979-B22
- Description:
- Mellanox IB EDR v2 36p RAF Managed Swch
- Rating:
Added to cart 28 times recently
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2 In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
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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.
834979-B22 price is is available on request. Get immediate quote.
Request bulk order quote for 834979-B22 for additional pricing. Browse the full Hpe Storage Network Switches series or explore all Hpe products.
834979-B22 Specifications
- Product Type
- Switch
- Brand
- Hpe
- Power Source
- Redundant Power Supply
- Layer Supported
- Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 45 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- 834979-B22
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- POE+
- SFP Ports
- 12 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- Modular stacking ports and expansion slots for added interfaces
- Flash Memory
- 256 MB
- Switching Capacity
- 320 Gbps
- Switching Capacity with Stacking
- 640 Gbps
- Product Name
- Catalyst 834979-B22 Modular Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 12 inches
- Weight
- 22 lbs
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.
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Product Comparison Table 
| 834979-B22 |  AJ820C |  C8R42A |  AM868C |  Q6M29A | |
|---|---|---|---|---|---|
| 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 |
| 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+ |
| 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 |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
I
Ian Coleman
5
Managed InfiniBand switch handled HPC workloads well.
T
Trevor Miles
5
Low latency and reliable performance.
S
Scott Jensen
5
Stable under heavy compute traffic.
V
Victor Neal
5
Strong option for clustered environments.
D
Daniel Frost
5
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.
What firmware and software features are included?
The switch ships with Mellanox SwitchX®-2 firmware, enabling Quality of Service, adaptive routing, link aggregation, per-flow traffic shaping and advanced telemetry for proactive network health diagnostics.
Is this switch rack-mountable and what are its dimensions?
Yes, the 1U rack-mount design measures 43.8 cm (W) × 40.0 cm (D) × 4.4 cm (H) and fits standard 19-inch server racks with front-to-rear airflow.
What power supply and cooling options does it offer?
It includes dual hot-swap 750 W AC power supplies with integrated variable-speed fans, supporting redundant power and front-to-rear airflow for efficient data center cooling.
How scalable is this Mellanox EDR switch in large deployments?
You can build non-blocking fabrics of up to 1,024 nodes by cascading multiple switches via QSFP28 ports, leveraging adaptive routing to balance traffic across all available paths.
Which cable types and breakout options are supported?
The switch supports QSFP28 DACs, active/passive fiber cables and 4×25 GbE breakout modules, enabling mixed InfiniBand, Ethernet and converged fabric deployments.
What security features are built into the switch?
It offers role-based access control, secure shell (SSH), RADIUS/TACACS+ authentication, SSL/TLS encryption for the management plane and port-based MAC filtering for data plane protection.
Can I monitor port and fabric health in real time?
Yes, it provides per-port telemetry, histograms, flow counters and integrated In-band Telemetry (INT) with support for Mellanox LinkX® cables to enable real-time performance dashboards.
What network topologies can I build with this switch?
You can implement fat-tree, leaf-spine, mesh or hybrid topologies for high-availability HPC clusters, AI/ML training networks and latency-sensitive storage backends.
Which host adapters and OS platforms are compatible?
The switch is certified with Mellanox ConnectX®-4/5/6 InfiniBand adapters and supports major Linux distributions (RHEL, CentOS, Ubuntu, SUSE) and VMware ESXi for end-to-end interoperability.
What are the warranty and support options?
It includes a one-year hardware warranty with 24×7 phone support and software updates. Extended warranty and on-site service options are available through certified Mellanox partners.
How does this switch improve HPC and AI workloads?
With ultra-low latency, lossless transport, adaptive routing and integrated congestion control, the switch accelerates MPI, RDMA and distributed deep learning frameworks for faster convergence.
What rack airflow direction does the switch use?
The switch is configured for front-to-rear airflow, aligning with data center best practices for hot aisle/cold aisle containment and efficient heat dissipation.