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JH391A
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- FF 5940 48XGT 6QSFP28 SWITCH NO PS PL=NT
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3 Year Extended Warranty
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Express Delivery Across the USA
Need it fast? Choose Express Shipping and receive your order within 1–3 business days.
Free Ground Shipping Available
Standard ground delivery across the U.S. takes 2–6 days, depending on your location — no extra charge.
International Shipments Made Simple
For all international orders, we ship via your UPS, FedEx, or DHL account — or to your U.S.-based freight forwarder.
Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
TRUSTED, TRIED, PROVEN
JH391A Overview
JH391A is a high-performance stackable switch engineered with robust architecture that maximizes network efficiency. It offers flexible power options, including an AC power supply, and provides a diverse range of port configurations to support modern connectivity needs.
JH391A delivers optimized performance through efficient stacking and scalable design, ensuring reliable operation in demanding environments. Its industry-leading design addresses use cases from enterprise data centers to mission-critical operations by offering low latency, high throughput, and flexible network integration.
What is the price of JH391A?
Pricing for JH391A is available on request. Get immediate quote or for exclusive discounts, opt for bulk quotation for JH391A.
Explore more options from Switches or explore other Hpe products.
JH391A Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 2 / Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | 15 W |
| 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 | JH391A |
| Uplink Configuration | 1G / 10G |
| IOS | IP Services |
| POE Support | POE+ |
| SFP Ports | 4 SFP Ports |
| Memory | 256 MB |
| Rack Units | 1 RU |
| Interface Ports | 10/100/1000 |
| Port/Expansion Slot Details | N/A |
| Flash Memory | 64 MB |
| Switching Capacity | 56 Gbps |
| Switching Capacity With Stacking | 112 Gbps |
| Product Name | JH391A High-Performance Stackable Switch |
| Height | 1.75 inches |
| Width | 17.5 inches |
| Depth | 11 inches |
| Weight | 18 lbs |
JH391A Use Case
Hyperscale Data Center Fabric Consolidation
In a 2,000-rack hyperscale data center, the JH391A-FF 5940 48XGT 6QSFP28 SWITCH NO PS PL=NT consolidates legacy 1/10/40 GbE tiers into a unified 10/25/100 GbE fabric, reducing inter-switch latency by 35 % and cabling complexity by 40 %. Benefit: Simplified operations, 25 % higher throughput, and 20 % lower power consumption.
Multisite Enterprise Campus Backbone Upgrade
A multinational enterprise deploys the JH391A-FF 5940 48XGT 6QSFP28 SWITCH NO PS PL=NT as its backbone across 10 campus sites, using 48 × 10/25 GbE for distribution and 6 × 100 GbE QSFP28 uplinks for core aggregation. Outcome: 4 × increase in aggregate bandwidth, sub-3 µs latency, and guaranteed QoS for unified communications. Benefit: Enhanced reliability and streamlined network management.
University HPC Cluster Low-Latency Interconnect
In a university high-performance computing cluster, the JH391A-FF 5940 48XGT 6QSFP28 SWITCH NO PS PL=NT delivers low-latency, high-bandwidth interconnect with 48 × 25 GbE RoCE for compute nodes and 6 × 100 GbE uplinks for storage. This deployment accelerates MPI workloads by 20 % and supports 2 M messages/sec. Benefit: Accelerated research throughput and efficient resource utilization.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 12 inches | 12 inches | 11 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 | 32 MB | 256 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 |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | IP Lite | LAN Base | IP Services | IP Services | IP Services |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | JH390A | JH395A | JH396A | JH391A | JH397A |
| Media Type Supported | Combo | Twisted Pair / Fiber / Combo | Twisted Pair | 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 | 8 Fixed Ethernet Ports, 4 SFP slots | Dual 10GbE expansion slots | 24 Ethernet ports with 4 SFP uplink slots | N/A | Modular expansion slot available |
| Power Consumption | 350 W | 55 W | 250 W | 15 W | 95 W |
| Power Source | Redundant Power Supply / AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | JH390A Enterprise Modular Switch | JH395A Enterprise Stackable Switch | JH396A Advanced Enterprise Switch | JH391A High-Performance Stackable Switch | JH397A Network Switch |
| Product Type | Switch | Switch | Managed Enterprise 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 | 640 Gbps | 128 Gbps | 128 Gbps | 56 Gbps | 320 Gbps |
| Switching Capacity with Stacking | 1280 Gbps | 256 Gbps | 256 Gbps | 112 Gbps | 640 Gbps |
| Uplink Configuration | 10G | 1G | 10G | 1G / 10G | 10G |
| Weight | 15 lbs | 15 lbs | 15 lbs | 18 lbs | 15.0 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
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Questions & Answers
Q
What is the port and uplink configuration of the HPE Aruba 5940 48XGT 6QSFP28 switch (SKU JH391A)?
A
The HPE Aruba 5940 (SKU JH391A) offers 48 10/25GbE RJ-45 ports and six QSFP28 ports supporting 40/100GbE uplinks with a non-blocking switching capacity of 3.2Tbps.
Q
Does the JH391A switch include a power supply unit (PSU)?
A
No, the JH391A model ships without a PSU. You must purchase a compatible HPE Aruba power supply (for example, PWR-C1-640WAC) separately.
Q
Which operating system powers the HPE Aruba 5940 48XGT 6QSFP28 switch?
A
The JH391A switch runs ArubaOS-CX, a modern, modular operating system designed for automated network operations, programmability, and high availability.
Q
What deployment scenarios are ideal for the HPE Aruba 5940 48XGT 6QSFP28 switch?
A
The Aruba 5940 (JH391A) excels as a data center top-of-rack switch, campus core or aggregation switch, delivering high-density 25GbE access and 100GbE uplinks in demanding environments.
Q
Does the Aruba 5940 JH391A support stacking or virtualization?
A
Yes, the JH391A supports Virtual Switching Framework (VSF) to stack up to four Aruba 5940 switches for simplified management and scale-out performance.
Q
What Layer 3 features does the HPE Aruba 5940 48XGT 6QSFP28 switch provide?
A
The Aruba 5940 (SKU JH391A) offers full Layer 3 routing with OSPF, BGP, RIP, VRF, ECMP and policy-based routing for robust multi-tenant and data center networks.
Q
How can I manage and automate the JH391A switch?
A
You can manage the Aruba 5940 via CLI, web-based GUI, REST API, Python scripting, and integrations with Ansible, Terraform and Aruba NetEdit for full automation.
Q
What is the power consumption of the HPE Aruba 5940 (JH391A)?
A
The typical power consumption for the Aruba 5940 (SKU JH391A) is approximately 300 W under full load, with a maximum draw of around 340 W (excluding optional fans or PSUs).
Q
Are PoE or PoE+ features supported on the Aruba 5940 JH391A switch?
A
No, the JH391A model does not support PoE or PoE+. It is optimized for high-speed data connectivity only.
Q
What redundancy and high-availability features are built into the JH391A switch?
A
The Aruba 5940 (JH391A) provides dual software image support, hot-swappable fans (with optional fan trays), N+1 power-supply redundancy when paired with compatible PSUs, and VSF stacking.
Q
What is the latency and switching capacity of the Aruba 5940 48XGT 6QSFP28 switch?
A
The HPE Aruba 5940 (SKU JH391A) delivers a non-blocking switching capacity of 3.2 Tbps with line-rate packet forwarding and sub-600 ns latency for all ports.
Q
Which transceiver modules are compatible with the JH391A switch?
A
You can use Aruba and HPE-qualified 10G/25G SFP28 modules (SR, LR, CWDM4), as well as 40G/100G QSFP28 modules (SR4, LR4, DAC) in the JH391A switch.
Q
What security and segmentation features does the Aruba 5940 switch support?
A
The Aruba 5940 (SKU JH391A) supports private VLANs, MACsec encryption, ACLs, DHCP snooping, Dynamic ARP Inspection and 802.1X port-based access control for secure segmentation.
Q
What warranty and support options are available for the HPE Aruba 5940 JH391A?
A
The JH391A includes HPE’s limited lifetime warranty with next-business-day hardware replacement, plus optional Proactive Care and Foundation Care support services.
Q
What are the physical dimensions and rack requirements for the JH391A switch?
A
The Aruba 5940 (SKU JH391A) is a 1U, 19-inch rack-mountable switch with a depth of 440 mm and front-to-back airflow, compatible with standard rack rails.
Q
How do I install and rack-mount the HPE Aruba 5940 48XGT 6QSFP28 switch?
A
Mount the JH391A in a standard 19-inch rack using the included rack-mount brackets and screws, connect AC or DC power supplies, then power on and provision via CLI or Aruba Central.
