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834979-B22
- Description:
- Mellanox IB EDR v2 36p RAF Managed Swch
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3 Year Extended Warranty
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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
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Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
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 |
| 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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 12 inches | N/A | 12 inches | 11 inches | 11 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 256 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | N/A | 1.75 inches | 1 inch | 1.75 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | IP Services | IP Services | IP Services | IP Services | IP Services |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 3 | Layer 2 | Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | Q6M29A | AM868C | 834979-B22 | C8R42A | AJ820C |
| Media Type Supported | Combo | Combo | Combo | Combo | Combo |
| Memory | 256 MB | 256 MB | 512 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 | 24 Ethernet ports with 4 dedicated SFP uplink slots | N/A | Modular stacking ports and expansion slots for added interfaces | 24 Ethernet ports with 4 SFP uplink slots | 24 RJ-45 ports with 4 fixed SFP uplink slots |
| Power Consumption | 85 W | N/A | 45 W | 35 W | 120W |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Q6M29A High-Performance Stackable Switch | AM868C Stackable Managed Ethernet Switch | Catalyst 834979-B22 Modular Switch | C8R42A Advanced Managed Switch | AJ820C Enterprise-Grade 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 | Yes | Yes | Yes | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 12 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | N/A | 320 Gbps | 256 Gbps | 192 Gbps |
| Switching Capacity with Stacking | 256 Gbps | N/A | 640 Gbps | 512 Gbps | 384 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
| Weight | 15 lbs | N/A | 22 lbs | 12 lbs | 15 lbs |
| Width | 17.5 inches | N/A | 17.5 inches | 17.6 inches | 17.5 inches |
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Questions & Answers
Q
What is the Mellanox IB EDR v2 36p RAF Managed Switch (SKU: 834979-B22)?
A
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.
Q
What throughput and latency can I expect from this 36-port EDR switch?
A
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.
Q
Does the switch support RoCE and HPC fabrics?
A
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.
Q
Which management interfaces does this switch provide?
A
It offers web-based GUI, CLI over SSH/Telnet, SNMP v3, and RESTful APIs for automated provisioning, monitoring and full lifecycle firmware upgrades.
Q
What firmware and software features are included?
A
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.
Q
Is this switch rack-mountable and what are its dimensions?
A
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.
Q
What power supply and cooling options does it offer?
A
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.
Q
How scalable is this Mellanox EDR switch in large deployments?
A
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.
Q
Which cable types and breakout options are supported?
A
The switch supports QSFP28 DACs, active/passive fiber cables and 4×25 GbE breakout modules, enabling mixed InfiniBand, Ethernet and converged fabric deployments.
Q
What security features are built into the switch?
A
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.
Q
Can I monitor port and fabric health in real time?
A
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.
Q
What network topologies can I build with this switch?
A
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.
Q
Which host adapters and OS platforms are compatible?
A
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.
Q
What are the warranty and support options?
A
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.
Q
How does this switch improve HPC and AI workloads?
A
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.
Q
What rack airflow direction does the switch use?
A
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.
