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QSFP+ focused switch delivered strong backbone connectivity.
JH396A
HPE FlexFabric 5940 32QSFP+ Switch
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JH396A
- Description:
- HPE FlexFabric 5940 32QSFP+ Switch
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JH396A Overview
JH396A is engineered with a robust architecture tailored for high-performance enterprise networking, featuring a scalable design that accommodates both current and future data demands. It provides flexible power options with an AC Power Supply and supports redundant power configurations, ensuring operational continuity in mission-critical environments.
JH396A comes equipped with a versatile port configuration, offering 24 Ethernet ports with additional 4 SFP uplink slots for enhanced connectivity and stacking capabilities. Designed for seamless integration in data centers, campus networks, and high-density environments, it delivers top-tier performance and reliability for diverse use cases.
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JH396A Specifications
- Product Type
- Managed Enterprise Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 250 W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 24 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- JH396A
- 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
- 24 Ethernet ports with 4 SFP uplink slots
- Flash Memory
- 256 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- JH396A Advanced Enterprise Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 11 inches
- Weight
- 15 lbs
JH396A Use Case
Data Center Spine-and-Leaf Fabric for Cloud-Scale Workloads
In a hyperscale cloud provider environment, the JH396A-HPE FlexFabric 5940 32QSFP+ Switch acts as the spine in a leaf-and-spine topology, delivering 32×100GbE ports for east-west traffic. By combining HPE’s Intelligent Resilient Fabric (IRF) and low-latency hardware forwarding, IT teams achieve sub-600ns port-to-port latency, seamless workload mobility and non-stop layer-2/3 convergence. Outcome: 3× higher inter-VM throughput, simplified fabric management and predictable multi-tenant performance at scale.
High-Performance Computing Cluster Interconnect
In an academic research or financial modeling center running MPI and RDMA workloads, the 5940 32QSFP+ Switch provides lossless Ethernet and RoCE v2 support across 100GbE links. Integrated congestion management and deep packet buffers ensure sub-microsecond jitter, enabling parallel simulations and real-time analytics. Outcome: 40% faster compute job completion, maximized GPU node utilization and streamlined network provisioning.
Enterprise Campus Core and Aggregation Switch
Large enterprises requiring secure, high-capacity campus backbones deploy the JH396A as their core/aggregation node. With 3.2Tbps non-blocking switching, advanced VRF, and VXLAN gateway capabilities, network architects segment thousands of users and IoT endpoints while maintaining multi-site connectivity. Outcome: boosted WAN-to-LAN throughput by 50%, rapid micro-segmentation for compliance, and unified network automation via HPE OneView.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 JH396A |  JH390A |  JH398A |  JH391A |  JH397A | |
|---|---|---|---|---|---|
| Depth | 11 inches | 12 inches | 12 inches | 11 inches | 12.0 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | IP Services | IP Lite | LAN Base | 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 | JH396A | JH390A | JH398A | JH391A | JH397A |
| Media Type Supported | Twisted Pair | Combo | Twisted Pair / Fiber / Combo | Combo | Twisted Pair / Fiber / Combo |
| Memory | 512 MB | 512 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+ |
| Port/Expansion Slot Details | 24 Ethernet ports with 4 SFP uplink slots | 8 Fixed Ethernet Ports, 4 SFP slots | 24 Ethernet ports with 4 dedicated SFP ports | N/A | Modular expansion slot available |
| Power Consumption | 250 W | 350 W | 60 W | 15 W | 95 W |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | JH396A Advanced Enterprise Switch | JH390A Enterprise Modular Switch | Enterprise Managed POE+ Stackable Switch JH398A | JH391A High-Performance Stackable Switch | JH397A Network Switch |
| Product Type | Managed Enterprise 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 | 640 Gbps | 128 Gbps | 56 Gbps | 320 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 1280 Gbps | 256 Gbps | 112 Gbps | 640 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 1G / 10G | 10G |
| Weight | 15 lbs | 15 lbs | 8 lbs | 18 lbs | 15.0 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
Z
Zahid Iqbal
4
Stable 40G links across the fabric.
M
Mikko Saarinen
5
Low latency under load.
F
Faizan Rafi
3
Good headroom for scaling.
P
Paul Bennett
4
Reliable core switch.
Questions & Answers
What is the HPE FlexFabric 5940 32QSFP+ Switch (JH396A)?
The HPE FlexFabric 5940 32QSFP+ Switch (JH396A) is a high-performance, fixed-configuration data center switch featuring 32 QSFP+ ports for 40 GbE connectivity and advanced FlexFabric capabilities.
How many and what type of ports does the JH396A support?
The JH396A provides 32 QSFP+ ports, each capable of 40 GbE native operation or breakout to four 10 GbE SFP+ links with appropriate transceivers.
What switching capacity and forwarding rate does the HPE FlexFabric 5940 deliver?
It delivers 2.56 Tbps of switching capacity and up to 380 Mpps forwarding rate for line-rate performance across all 32 ports.
Which Ethernet speeds are supported on the QSFP+ ports?
Each QSFP+ port supports 40 GbE natively and can be configured in breakout mode to support four 10 GbE links with compatible SFP+ modules.