United States$5,000,000+
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Victor Alvarez
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InfiniBand switch delivers excellent throughput.
834976-B21
Mellanox IB EDR 36P Unmanaged Switch:HPCD InfiniBand Accesso...
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834976-B21
- Description:
- Mellanox IB EDR 36P Unmanaged Switch:HPCD InfiniBand Accessories
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834976-B21 Overview
834976-B21 is built on a robust, ASIC-based architecture that delivers high-performance switching with a streamlined design optimized for business networking. The switch offers versatile port configurations with both twisted pair and SFP uplink options, ensuring seamless connectivity and efficient power management via an AC power supply.
834976-B21 features reliable stacking capabilities and scalability designed to support growing enterprise networks, enabling simplified management and optimal throughput under heavy data loads. Its performance-centric design makes it ideal for campus networks, branch offices, and other use cases where consistent, secure connectivity is paramount.
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834976-B21 Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2
- Form Factor
- Rack-mount
- Power Consumption
- 75 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 8 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- 834976-B21
- Uplink Configuration
- 1G
- IOS
- LAN Base
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 24 POE+ Ethernet ports, 4 SFP uplink ports
- Flash Memory
- 64 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- 834976-B21 24-Port Managed Gigabit Switch with POE+
- Height
- 1 inch
- Width
- 17.5 inches
- Depth
- 14 inches
- Weight
- 12 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 834976-B21 |  JH017A |  AK242B |  JG225B |  JH018A | |
|---|---|---|---|---|---|
| Depth | 14 inches | 18 inches | 12 inches | 12 inches | 11 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 256 MB | 64 MB | 32 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1 inch | 1.75 inches | 1 inches | 1 inch | 1.75 inches |
| IOS | LAN Base | IP Services | IP Services | LAN Base | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | 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-B21 | JH017A | AK242B | JG225B | JH018A |
| Media Type Supported | Combo | Combo | Combo | Twisted Pair / Fiber / Combo | Combo |
| Memory | 256 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 8 Ports | 24 Ports | 24 Ports | 8 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+ | Non POE | POE+ |
| Port/Expansion Slot Details | 24 POE+ Ethernet ports, 4 SFP uplink ports | 2 expansion slots available | N/A | N/A | 24 fixed Ethernet ports with 4 SFP uplink ports |
| Power Consumption | 75 W | 150 W | 120W | 120 W | 75 W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply, AC Power Supply | AC Power Supply, Redundant Power Supply |
| Product Name | 834976-B21 24-Port Managed Gigabit Switch with POE+ | JH017A Modular Enterprise Switch | AK242B Enterprise Network Switch | JG225B High-Performance Managed Switch | JH018A Next-Generation 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 | No | 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 | 320 Gbps | 128 Gbps | 128 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 1280 Gbps | 256 Gbps | 256 Gbps | 256 Gbps |
| Uplink Configuration | 1G | 10G | 10G | 1G / 10G | 10G |
| Weight | 12 lbs | 15 lbs | 15 lbs | 15 lbs | 12 lbs |
| Width | 17.5 inches | 17.5 inches | 17 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
A
Areeba Sohail
4
Plug-and-play for HPC environments.
H
Henning Roth
5
Very stable unmanaged switch.
O
Owais Raza
3
Handles EDR traffic effortlessly.
L
Lauren King
4
Strong choice for cluster networking.
Questions & Answers
What is the Mellanox IB EDR 36P Unmanaged Switch (SKU: 834976-B21)?
The Mellanox IB EDR 36P Unmanaged Switch is a high-performance InfiniBand EDR (100 Gb/s) switch featuring 36 ports designed for low-latency, lossless HPC and AI cluster interconnects.
What port speed and throughput does the IB EDR 36P switch support?
Each of the 36 EDR ports delivers up to 100 Gb/s full-duplex bandwidth, providing a total throughput of 7.2 Tb/s for demanding data-center workloads.
What type of transceivers and cables are compatible with this switch?
The switch supports QSFP28 transceivers and passive/active copper or optical QSFP28 cables, enabling link distances from 0.5 m (DAC) up to 100 m (SR optics) or longer with LR optics.
Is configuration required for the unmanaged EDR 36P switch?
No. As an unmanaged switch, it provides plug-and-play operation, auto-negotiation of port speeds, and does not require user configuration or a management interface.