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Name:
J9821A
- Description:
- 5406R ZL2 SWITCH NO PS PL=35
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3 - List Price:
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$3,650.00
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$2,209.00
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Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
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Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
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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.
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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.
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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.
J9821A
5406R ZL2 SWITCH NO PS PL=35
$3,650.00
$2,209.00
6 in Global Warehouse
$2,209.00
39% off
TRUSTED, TRIED, PROVEN
J9821A Overview
J9821A is a high-performance network switch built on a robust, scalable architecture designed for enterprise deployments. It features advanced power options with an AC power supply, multiple port configurations including Ethernet and SFP uplinks, and supports stacking to enhance scalability and redundancy in network setups.
J9821A delivers exceptional performance with Layer 3 routing capabilities, high switching capacity, and integrated POE+ support, making it ideal for data centers, campus networks, and mission-critical applications. Its design enables seamless integration into existing infrastructures while offering a versatile set of ports and expansion slots to accommodate evolving network demands.
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J9821A Specifications
| Product Type | Switch |
| Power Source | AC Power Supply |
| Layer Supported | Layer 3 |
| Form Factor | Rack-mount |
| Power Consumption | N/A |
| 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 | Yes |
| Manufacturer Part Number | J9821A |
| Uplink Configuration | 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 | 24 Ethernet ports and 4 SFP uplink ports |
| Flash Memory | 64 MB |
| Switching Capacity | 128 Gbps |
| Switching Capacity With Stacking | 256 Gbps |
| Product Name | J9821A High-Performance Managed Layer 3 Switch |
| Height | 1 inch |
| Width | 17 inches |
| Depth | 12 inches |
| Weight | 10 lbs |
J9821A Use Case
High-Density 100GbE Aggregation in Hyperscale Data Centers
Scenario: A hyperscale data center requires multi-petabit east-west traffic aggregation with ultra-low latency. The J9821A-5406R ZL2 SWITCH NO PS PL=35 delivers 48 QSFP28 100GbE ports in a 2U form factor and a ZL2 switching fabric, enabling a 10Tbps per chassis spine-leaf topology. Benefit: Achieves sub-2µs latency, reduces switch count by 40%, and delivers scalable, power-optimized 35W QSFP28 port performance to accommodate explosive traffic growth.
Enterprise Campus Core Network Consolidation
Scenario: A large enterprise campus needs to consolidate multiple distribution switches into a single core layer to simplify management and reduce OPEX. The J9821A-5406R’s 48-port 100GbE density and modular fabric cards streamline device count, while its 35W per port power profile lowers cooling requirements. Benefit: Cuts rack space by 50%, reduces power consumption by 30%, and centralizes policy enforcement for faster, more reliable campus connectivity.
Service Provider Edge & Cloud On-Ramp
Scenario: A service provider requires seamless aggregation of customer VLANs and high-speed cloud on-ramp connectivity at the network edge. Leveraging the J9821A-5406R’s programmable ZL2 architecture and 100GbE QSFP28 interfaces, they implement advanced QoS, EVPN-VXLAN, and segment routing. Benefit: Delivers deterministic SLAs with 10Tbps throughput, simplifies multi-tenant segmentation, and accelerates cloud access while optimizing power and footprint.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Depth | 12 inches | 14 inches | 12 inches | 18 inches | 14 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 256 MB | 256 MB | 64 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1 inch | 1 inches | 1.75 inches | 1 inches | 1.75 inches |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| IOS | IP Services | IP Services | IP Services | LAN Base | IP Services |
| Layer Supported | Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | J9821A | J9822A | JL003A | JL001A | JL095A |
| Media Type Supported | Combo | Combo | Combo | Combo | Combo |
| Memory | 256 MB | 512 MB | 512 MB | 256 MB | 512 MB |
| Number of Downlink Ports | 8 Ports | 24 Ports | 48 Ports | 24 Ports | 48 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 and 4 SFP uplink ports | Two modular expansion slots supporting additional I/O modules | 24 Ethernet ports with 4 SFP uplink slots | N/A | N/A |
| Power Consumption | N/A | 250 W | 120W | 35W | 150 W |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply | AC Power Supply | AC Power Supply with Optional Redundancy |
| Product Name | J9821A High-Performance Managed Layer 3 Switch | J9822A Stackable Managed Gigabit Switch | JL003A Unified Managed Switch | JL001A Enterprise Stackable Switch | JL095A High-Performance Stacked 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 | 320 Gbps | 480 Gbps | 80Gbps | 320 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 640 Gbps | 960 Gbps | 160Gbps | 640 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 10G | 10G |
| Weight | 10 lbs | 15 lbs | 22 lbs | 15 lbs | 25 lbs |
| Width | 17 inches | 17 inches | 17.5 inches | 17 inches | 17.5 inches |
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Questions & Answers
Q
What is the HP J9821A 5406R ZL2 Switch?
A
The HP J9821A 5406R ZL2 Switch is a modular, six‐slot Layer 2/3 chassis with ZL2 Fabric enabling high-performance enterprise switching.
Q
How many line-card slots does the 5406R ZL2 support?
A
The 5406R ZL2 chassis provides six hot-swappable line-card slots for flexible port density and modular expansion.
Q
What port modules are compatible with the 5406R ZL2?
A
It supports HP ProCurve and Aruba 10GbE, 1GbE and 40GbE line cards, plus third-party X2 and XFP optics for versatile connectivity.
Q
Does the J9821A 5406R ZL2 include a power supply?
A
No, the J9821A model ships without power supplies; compatible HP RPS 875W or 1200W AC power modules must be purchased separately.
Q
What is the switching capacity and throughput of the 5406R ZL2?
A
The switch delivers up to 720 Gbps full-duplex fabric capacity and 540 million packets per second (Mpps) forwarding performance.
Q
Does the 5406R ZL2 support advanced Layer 3 routing?
A
Yes, it offers dynamic routing protocols including OSPF, BGP, RIP, multicast routing (PIM), and static routing for enterprise networks.
Q
Can multiple 5406R ZL2 chassis be stacked or virtualized?
A
Yes, IRF virtualization allows you to interconnect and manage up to four 5406R ZL2 switches as a single logical device.
Q
Which management interfaces are available on the 5406R ZL2?
A
Manage the switch via Web GUI, CLI (SSH/console), SNMP v1/v2c/v3, RMON and HP Intelligent Management Center (IMC).
Q
Is PoE supported on the 5406R ZL2 chassis?
A
The chassis itself does not provide PoE; install HP PoE+ capable line cards, such as the 24-port 10/100/1000 with PoE+.
Q
What are the physical dimensions and weight of the 5406R ZL2?
A
The chassis measures 6.88” H x 17.5” W x 19.5” D and weighs approximately 36 lbs (16.3 kg) when empty.
Q
What environmental specifications apply to the 5406R ZL2?
A
Operating temperature is 0–45°C, storage –40–70°C, and humidity range is 10–90% non-condensing for reliable performance.
Q
What warranty and support options are available for the J9821A?
A
HP provides a 1-year limited hardware warranty; optional software support and extended coverage plans are available through HP Care Packs.
Q
How do I update the firmware on the 5406R ZL2 switch?
A
Download the latest Comware firmware from the HP Support Portal and apply via CLI (copy ftp://) or Web UI (System > Firmware Update).
Q
What does the 'PL=35' designation mean in the product SKU?
A
‘PL=35’ indicates the internal packaging level and revision number; it does not affect the switch’s functionality or performance.
Q
Which HP power modules are recommended for the 5406R ZL2?
A
Use HP 875W or 1200W AC power modules (models HPE J9562A/J9563A) for redundancy and full chassis power requirements.
Q
Where can I purchase HP J9821A 5406R ZL2 Switch components?
A
HP-authorized resellers, the HP Enterprise online store, and certified channel partners stock genuine line cards, power supplies, and chassis.
