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InfiniBand switch delivered low latency for HPC workloads.
834976-B22
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Mellanox IB EDR v2 36p Switch
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834976-B22
- Description:
- Mellanox IB EDR v2 36p Switch
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834976-B22 Overview
834976-B22 is engineered with a robust, modular architecture designed for efficient network integration and management. It supports an AC power supply with redundant capabilities, ensuring continuous operation even in demanding environments, and offers a mix of Ethernet and SFP ports that facilitate seamless stacking and scalable performance.
834976-B22 leverages 10/100/1000 Ethernet technology with 10G uplink configuration to deliver exceptional throughput for enterprise and data center applications. Its high switching capacity, combined with a managed Layer 3 design, makes it ideal for diverse use cases such as VOIP, cloud computing, and other critical business operations.
834976-B22 price is $4,265.00, a 82.9% saving from the Hpe list price of $24,959.00. 834976-B22 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 834976-B22 for additional pricing. Browse the full Hpe Storage Network Switches series or explore all Hpe products.
834976-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
- SFP Ports
- 4 SFP Ports
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Power Source
- Redundant Power Supply / AC Power Supply
- Layer Supported
- Layer 3
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- Yes
- Flash Memory
- 256 MB
- Width
- 17.5 inches
- IOS
- IP Services
- Switching Capacity
- 128 Gbps
- Height
- 1.75 inches
- POE Support
- POE+
- Memory
- 512 MB
- Uplink Configuration
- 10G
- Depth
- 12 inches
- Switching Capacity with Stacking
- 256 Gbps
- Power Consumption
- 150 W
- Weight
- 14 lbs
- Port/Expansion Slot Details
- 24 fixed Ethernet ports with 4 dedicated SFP uplink slots
- Manufacturer Part Number
- 834976-B22
- Product Name
- High-Performance Managed Switch 834976-B22
834976-B22 Use Case
Accelerating High-Performance Computing Clusters with 834976-B22 Mellanox IB EDR v2 36p Switch
In a national research center deploying a 1,024-node HPC cluster for climate modeling and molecular dynamics, the 834976-B22 Mellanox IB EDR v2 36-port switch delivers 100 Gb/s bi-directional bandwidth, end-to-end RDMA and dynamic congestion control. This integration slashes inter-node latency to sub-microsecond levels, boosts parallel job throughput by up to 45%, and ensures linear scalability at peak compute loads.
Scaling Distributed AI/ML Training with 834976-B22 Mellanox IB EDR v2 36p Switch
An enterprise AI lab interconnects 200 GPU servers for large-scale transformer training using the 834976-B22 Mellanox IB EDR v2 switch. Featuring Lossless Fabric, hardware-accelerated collective offloads and NVLink interoperability, it reduces all-reduce communication time by 60%, enables near-linear GPU scaling across hundreds of nodes, and accelerates time-to-model by over 30%.
Enabling Sub-Microsecond Latency in Financial Trading with 834976-B22 Mellanox IB EDR v2 36p Switch
A global trading firm co-locates its matching engines across multiple data halls and deploys the 834976-B22 Mellanox IB EDR v2 switch to achieve deterministic, sub-microsecond messaging. With Precision Time Protocol (PTP), Data Center Bridging (DCB) and hardware QoS enforcement, the solution cuts round-trip latency by 20%, increases order throughput by 15%, and ensures message delivery consistency under peak market volatility.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 834976-B22 |  AM866C |  Q9D34A |  638526-B21 |  AM867D | |
|---|---|---|---|---|---|
| Depth | 12 inches | 11 inches | 18 inches | 12 inches | 14 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 | 1.75 inches | 1 inch | 1 inch | 1.75 inches | 1 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 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | 834976-B22 | AM866C | Q9D34A | 638526-B21 | AM867D |
| Media Type Supported | Combo | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber | Combo |
| Memory | 512 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 fixed Ethernet ports with 4 dedicated SFP uplink slots | 2 expansion slots available | 2 expansion slots for stacking modules | N/A | 24 fixed Ethernet ports with 4 SFP uplinks |
| Power Consumption | 150 W | 50W | 250W | 55W | 150 W |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply, AC Power Supply |
| Product Name | High-Performance Managed Switch 834976-B22 | AM866C High-Performance Stacked Switch | Q9D34A UltraScale Network Switch | Enterprise Series Stackable Switch 638526-B21 | AM867D High-Performance Managed 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 | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 160 Gbps | 640 Gbps | 128 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 320 Gbps | 1,280 Gbps | 256 Gbps | 256 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
| Weight | 14 lbs | 15 lbs | 20 lbs | 12 lbs | 15 lbs |
| Width | 17.5 inches | 17 inches | 17 inches | 17.5 inches | 17 inches |
Reviews & Ratings
H
Henry Nolan
4
Stable under sustained compute traffic.
V
Victor Barnes
4
Reliable performance for clustered systems.
A
Andrew Price
5
Handled heavy data flows efficiently.
J
Julian Spencer
5
Solid InfiniBand switching platform.
Questions & Answers
What is the port configuration of the Mellanox IB EDR v2 36p Switch?
The Mellanox IB EDR v2 36p Switch offers 36 ports of 100 Gb/s EDR InfiniBand connectivity, delivering high-density, low-latency performance for demanding cluster environments.
What throughput and latency can I expect from this switch?
This switch provides up to 3.6 Tb/s aggregate bandwidth with sub-90 ns port-to-port latency, ensuring ultra-fast data transfers for HPC and AI workloads.
Which management interfaces does the Mellanox IB EDR v2 support?
It supports web-based GUI, CLI via SSH, and SNMP for seamless integration into existing network management systems.
Is the switch compatible with Ethernet networks?
Yes, through its native RoCE v2 support, the switch can carry both InfiniBand and RDMA-over-Ethernet traffic without performance degradation.
How scalable is the Mellanox IB EDR v2 36p Switch?
You can stack up to six units using Mellanox’s stacking cables to build a non-blocking fabric supporting thousands of nodes.
What redundancy features are included?
The switch features hot-swappable redundant power supplies and fans, plus dual management modules to ensure continuous operation.
What operating systems and drivers are supported?
It is fully supported on Linux distributions (RHEL, Ubuntu) and Windows Server, with Mellanox OFED drivers for optimal performance.
How energy efficient is this InfiniBand switch?
With an average power draw of 350 W at full load and advanced power-saving modes, it delivers high performance per watt.
What advanced features does it offer for congestion management?
The switch includes Adaptive Routing, congestion control v2, and dynamic rate limiting to optimize flow and minimize packet loss.
Can I monitor real-time performance metrics?
Yes, the integrated telemetry engine provides real-time metrics via In-band Network Telemetry (INT) and Prometheus exporters for proactive monitoring.
What warranty and support options are available?
Mellanox offers a three-year hardware warranty with next-business-day replacement, plus optional 24/7 premium support contracts.
How do I perform firmware updates?
Firmware updates can be applied via the GUI or CLI using Mellanox’s Unified Image Platform (UFM), ensuring minimal downtime.
What are the typical use cases for this switch?
Ideal for high-performance computing clusters, AI/ML training, data analytics, and storage fabrics requiring ultra-low latency and high throughput.
What physical dimensions and form factor does the switch have?
The switch is a 1U rack-mount unit measuring 17.2” (438 mm) wide, 24” (610 mm) deep, and 1.7” (44 mm) high.
How noisy is the Mellanox IB EDR v2 36p in operation?
At full fan speed, noise levels reach 61 dBA, compliant with data center acoustic standards and optimized for minimal disruption.
Can I integrate this switch into existing InfiniBand fabrics?
Yes, it is interoperable with previous Mellanox EDR and FDR fabrics, allowing seamless expansion and mixed-generation deployments.