United States$5,000,000+
Inventory Delivered By
B
Brandon Hughes
5
High-capacity QSFP28 switch handled spine role efficiently.
JH321A
Original Stock
Ready to Ship
HPE FlexFabric 5950 32QSFP28 Switch
FEATURED DEAL
Name:
JH321A
- Description:
- HPE FlexFabric 5950 32QSFP28 Switch
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Hpe
- Condition:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
TRUSTED, TRIED, PROVEN
Officially Accredited
& Verified By
Next-Gen IT
Solutions Powered By
JH321A Overview
JH321A is a high-performance network switch built on a robust, modular architecture that supports advanced features including scalable stacking and flexible power options such as redundant AC power supplies. It offers an array of ports including multiple Ethernet interfaces, uplink configurations, and dedicated SFP slots to ensure versatile connectivity in diverse networking environments.
Designed for enterprise and data center use, JH321A delivers exceptional performance with high switching capacities and low latency, making it ideal for critical applications that require reliable scalability. Its proven design enables efficient stacking, easy expansion, and robust operation under demanding workloads, meeting the needs of modern network infrastructures.
JH321A price is is available on request. Get immediate quote.
Request bulk order quote for JH321A for additional pricing. Browse the full Hpe Flexfabric 5900 Switches series or explore all Hpe products.
JH321A Specifications
- Product Type
- Switch
- Power Source
- Redundant Power Supply / AC Power Supply / N/A
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 250W
- 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 / Fiber / Combo
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- JH321A
- 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
- N/A
- Flash Memory
- 256 MB
- Switching Capacity
- 320 Gbps
- Switching Capacity with Stacking
- 640 Gbps
- Product Name
- JH321A High-Performance Network Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 19.7 inches
- Weight
- 15 lbs
JH321A Use Case
Spine-Leaf Data Center Fabric with JH321A-HPE FlexFabric 5950 32QSFP28 Switch
In hyperscale data centers, the JH321A-HPE FlexFabric 5950 32QSFP28 Switch powers a spine-leaf fabric with 32 QSFP28 ports supporting 100 GbE uplinks and 25 GbE leaf connectivity. This high-density design scales to thousands of servers, reduces east-west traffic latency by up to 30 %, and automates provisioning with HPE OneView—driving operational efficiency and faster service delivery.
High-Performance Computing Cluster Interconnect with JH321A-HPE FlexFabric 5950 32QSFP28 Switch
Research institutions and AI/ML training environments leverage the JH321A-HPE FlexFabric 5950 32QSFP28 Switch to interconnect GPU and CPU nodes using RoCE with sub-microsecond port-to-port latency. The result is up to 45 % faster MPI job completion, deterministic performance at scale, and seamless integration into existing HPC orchestration frameworks.
NVMe-oF Storage Network Acceleration with JH321A-HPE FlexFabric 5950 32QSFP28 Switch
Enterprises deploying all-flash arrays and NVMe-over-Fabrics rely on the JH321A-HPE FlexFabric 5950 32QSFP28 Switch to deliver 100 GbE throughput and advanced buffer management. It sustains sub-200 µs storage response times, boosts IOPS by up to 60 %, and enforces multi-tenant segmentation with VXLAN EVPN—optimizing performance and security for modern SAN environments.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| JH321A |  JH179A |  JG726A |  JG510A |  JH404A | |
|---|---|---|---|---|---|
| Depth | 19.7 inches | 10.5 inches | 18 inches | 17 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 64 MB | 64 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1 inches | 1 inches | 1 inches |
| IOS | IP Services | IP Services | LAN Base | 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 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | JH321A | JH179A | JG726A | JG510A | JH404A |
| Media Type Supported | Twisted Pair / Fiber / Combo | Twisted Pair / Fiber | Twisted Pair / Fiber | Combo | Combo |
| Memory | 512 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 24 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 | POE+ | POE+ |
| Port/Expansion Slot Details | N/A | 24 x 10/100/1000 Ethernet, 4 x 10G SFP+ uplinks | 24-port modular design with 4 expansion slots | N/A | Standard expansion slots available |
| Power Consumption | 250W | 85 W | N/A | 75 W | 150 W |
| Power Source | Redundant Power Supply / AC Power Supply / N/A | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | JH321A High-Performance Network Switch | JH179A Advanced Stackable Gigabit Switch | JG726A High Performance Stackable Switch | JG510A Enterprise Stackable Switch | JH404A 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 | 320 Gbps | 128 Gbps | 128 Gbps | 64 Gbps | 320 Gbps |
| Switching Capacity with Stacking | 640 Gbps | 256 Gbps | 256 Gbps | 128 Gbps | 640 Gbps |
| Uplink Configuration | 10G | 10G | 1G/10G | 1G | 10G |
| Weight | 15 lbs | 15 lbs | 15 lbs | 15 lbs | 15 lbs |
| Width | 17.5 inches | 17.5 inches | 17 inches | 19 inches | 17 inches |
Reviews & Ratings
Z
Zahid Iqbal
5
Excellent throughput for data center core.
R
Rui Teixeira
4
Stable under heavy east-west traffic.
U
Usman Rauf
4
Low latency and strong performance.
A
Andrew Collins
5
Enterprise-ready backbone switch.
Questions & Answers
What is the HPE FlexFabric 5950 32QSFP28 Switch (SKU: JH321A)?
The HPE FlexFabric 5950 32QSFP28 Switch (JH321A) is a high-density 10/25/40/50/100 GbE leaf/spine switch designed for data center and campus networks, offering advanced fabric functionality, low latency, and scalable performance.
How many and what types of ports does the JH321A switch provide?
The JH321A switch offers 32 QSFP28 ports supporting 40 GbE or breakout to 4×10 GbE, plus two onboard RJ-45 1 GbE management ports for out-of-band access and stacking.
What throughput and switching capacity does the HPE FlexFabric 5950 deliver?
With a non-blocking architecture, the 5950 delivers up to 6.4 Tbps of switching capacity and 4.8 Bpps forwarding rate, ensuring wire-speed performance under full load.
Which network protocols and features are supported?
The switch supports Layer 2 and Layer 3 protocols (STP, MLAG, VRRP, OSPF, BGP), VXLAN, EVPN, ACLs, QoS, and fabric automation to optimize campus and data center deployments.
Can the JH321A be deployed in both leaf and spine roles?
Yes. The HPE FlexFabric 5950 32QSFP28 can function as a leaf or spine switch in Clos fabric architectures, enabling flexible, high-availability topologies in modern data centers.
What management and automation capabilities are available?
The switch supports HPE Intelligent Management Center (IMC), RESTful APIs, Redfish, Ansible, Chef, and Puppet for centralized configuration, monitoring, and automated provisioning.
Does the HPE FlexFabric 5950 support stacking or fabric extension?
Yes. The switch supports Virtual Connect Stacking up to four units and fabric extension via MLAG, delivering up to 256 QSFP28 ports and seamless failover.
What power and cooling features are included?
The JH321A includes dual hot-swappable 1,200 W AC power supplies and front-to-back redundant cooling fans, ensuring continuous operation and optimal thermal management.
Which operating system runs on the 5950 switch?
The HPE FlexFabric 5950 runs the Comware-based HPE FlexNetwork OS, offering modularity, IPv6 readiness, and advanced security features like MACsec encryption.
What licensing options are available for advanced features?
HPE offers a base license for essential switching and optional upgrade licenses (FlexFabric Advanced or Enterprise) to enable VXLAN, EVPN, BGP, and advanced QoS features.
Is the JH321A switch compatible with existing HPE FlexFabric fabrics?
Yes. The switch is fully compatible with HPE FlexFabric 5950/5950T/12900E series and integrates seamlessly with HPE Aruba CX fabrics and third-party spine switches.
What environmental and power efficiency standards does it meet?
The switch complies with ENERGY STAR®, RoHS, and WEEE directives and supports Energy Efficient Ethernet (EEE), reducing power consumption during low-traffic periods.
How is network reliability and redundancy ensured?
The 5950 supports in-service software upgrades (ISSU), redundant power and fan modules, MLAG and VRRP, as well as link-level and fabric-level failover for maximum uptime.
What physical dimensions and mounting options are available?
The JH321A is a 1U rack-mountable switch (44.5 cm x 43.1 cm x 4.4 cm) with standard rack-mount brackets, designed for data center and enterprise rack installations.
What warranty and support services are offered?
HPE provides a limited lifetime warranty, three years of 24×7 HPE Foundation Care with next-business-day replacement, and optional Proactive Care and Datacenter Care services.
Who is the ideal customer for the HPE FlexFabric 5950 32QSFP28 Switch?
Enterprises and service providers requiring high-density 100 GbE connectivity, scalable leaf/spine fabrics, and advanced automation for data center, campus, and cloud deployments.