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Managed InfiniBand switch handled HPC traffic efficiently.
834978-B22
Mellanox IB EDR v2 36p Managed Switch
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Name:
834978-B22
- Description:
- Mellanox IB EDR v2 36p Managed Switch
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- Warranty:
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- List Price:
$30,159.00
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834978-B22 Overview
834978-B22 is an advanced enterprise switch built with a modular architecture that supports high-performance network environments. It integrates multiple power options, a robust range of ports, and innovative stacking capabilities to ensure scalability and flexible deployment in both edge and core network applications.
Engineered for optimal performance, 834978-B22 provides reliable connectivity and seamless scalability to meet demanding data traffic needs. Its efficient design, comprehensive port configurations, and high switching capacity make it ideal for organizations seeking to enhance network resilience and manage complex use cases.
834978-B22 price is $8,895.00, a 70.5% saving from the Hpe list price of $30,159.00. 834978-B22 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 834978-B22 for additional pricing. Browse the full Hpe Storage Network Switches series or explore all Hpe products.
834978-B22 Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- N/A
- 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
- 834978-B22
- Uplink Configuration
- 10G
- IOS
- IP Services
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 2 expansion slots
- Flash Memory
- 256 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- 834978-B22 High-Performance Enterprise Switch
- Height
- 1 inches
- Width
- 17.5 inches
- Depth
- 18 inches
- Weight
- 10 lbs
834978-B22 Use Case
Accelerating High-Performance Computing Clusters with 834978-B22 Mellanox IB EDR v2 36p Switch
In national laboratories and research centers running large-scale simulations (climate modeling, molecular dynamics), the 834978-B22 Mellanox IB EDR v2 36p managed switch delivers 100 Gb/s InfiniBand EDR throughput and sub-microsecond port-to-port latency across 36 ports. The result is up to 40% faster job completion, elimination of network bottlenecks, and maximized cluster utilization for breakthrough scientific discoveries.
Scaling AI/ML Deep Learning Training with 834978-B22 Mellanox IB EDR v2 36p Switch
In multi-node GPU-accelerated AI training environments, the 834978-B22 switch leverages RDMA over Converged Ethernet (RoCE v2) and 100 Gb/s InfiniBand EDR to synchronize gradients and exchange massive datasets across 36 ports. This configuration achieves up to 30% reduction in training time, seamless scaling to hundreds of GPUs, and consistent throughput for rapid model convergence and time-to-market acceleration.
Delivering Sub-Microsecond Latency for High-Frequency Trading with 834978-B22 Mellanox IB EDR v2 36p Switch
In financial trading infrastructures requiring deterministic, ultra-low latency for market data feeds and order execution, the 834978-B22 switch offers wire-speed 100 Gb/s InfiniBand EDR and advanced congestion control across 36 ports. This delivers sub-microsecond latency, increases order throughput by up to 50%, and secures a competitive edge in algorithmic and quantitative trading strategies.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 834978-B22 |  658247-B21 |  R0P79A |  Q0U57B |  Q1H71B | |
|---|---|---|---|---|---|
| Depth | 18 inches | 18 inches | 12 inches | 12.5 inches | 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 | 256 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1 inch |
| 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 2 / Layer 3 | Layer 2 / Layer 3 | Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | 834978-B22 | 658247-B21 | R0P79A | Q0U57B | Q1H71B |
| Media Type Supported | Combo | Combo | Twisted Pair / Fiber / Combo | Combo | Twisted Pair / Fiber / Combo |
| Memory | 512 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 Ports | 24 Ports | 48 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 | 2 expansion slots | 24 fixed Ethernet ports with 4 dedicated SFP uplink slots | 2 expansion slots for modular interfaces | 2 stacking ports, 6 expansion slots | 24 Ethernet Ports |
| Power Consumption | N/A | 150 W | 150 W | 65W | 85 W |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply | AC Power Supply |
| Product Name | 834978-B22 High-Performance Enterprise Switch | Enterprise 658247-B21 Modular Switch | R0P79A High Performance Stackable Switch | Q0U57B Advanced Network Switch | Q1H71B Enterprise 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 | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 24 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 100 Gbps | 200 Gbps | 128 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 200 Gbps | 400 Gbps | 256 Gbps | 256 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
| Weight | 10 lbs | 15 lbs | 15 lbs | 7 lbs | 12 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17 inches |
Reviews & Ratings
O
Oliver Scott
4
Low latency and stable performance.
V
Victor Reed
5
Reliable option for clustered environments.
A
Andrew Bell
3
Consistent under sustained load.
J
Julian Price
4
Strong managed IB switch.
Questions & Answers
What is the Mellanox IB EDR v2 36p Managed Switch (SKU: 834978-B22)?
The Mellanox IB EDR v2 36p Managed Switch is a high-performance InfiniBand switch offering 36 EDR ports, advanced management features, and sub-microsecond latency for demanding HPC and data center environments.
What performance specifications does the IB EDR v2 36p switch deliver?
This switch supports 100 Gb/s per port (EDR), provides up to 3.6 Tb/s non-blocking throughput, and guarantees latency under 600 ns, ensuring optimal cluster performance.
How many ports and port types are included?
The device includes 36 QSFP28 EDR ports with auto-negotiation to HDR/EDR/FDR rates, enabling flexible, high-density deployment.
Which management software is supported?
It supports Mellanox Onyx OS with a comprehensive CLI, SNMP, Fabric Viewer for GUI management, and API integration for automated orchestration.