HP J9821A Rack-Mountable Switch
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HP J9821A Aruba 5406R Ethernet 4U Rack-Mountable 6-Slots New

Availability: In Stock
Part Number#: J9821A
List Price was: $5846.15
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Short Description:
J9821A 5406R Zl2 Rack-Mountable 6-Slots Small Form-Factor Pluggable (SFP) Rack-mountable Managed Power Over Ethernet Plus (PoE+) Switch Module | Made by HP | Brand New 3 Years Warranty
Brand Warranty:
3 Years from the Manufacturer
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

Powerful Networking Capabilities

The HP J9821A Aruba 5406R Ethernet 4U rack-mountable 6-slots switch is a powerful networking device that offers a wide range of features and capabilities to improve the performance and reliability of your network. Some of the key networking capabilities of this switch include:

  • High-speed switching: The switch supports data transfer speeds of up to 100 Gbps, making it ideal for high-bandwidth applications such as video streaming, online gaming, and large file transfers.
  • Advanced security: The switch includes advanced security features such as access control lists (ACLs), virtual LANs (VLANs), and port security to help protect your network from unauthorized access and attacks.
  • Layer 3 routing: The switch supports Layer 3 routing, allowing it to perform advanced routing tasks such as IP address resolution, packet forwarding, and path selection.
  • Virtualization support: The switch supports virtualization technologies such as VMware and Hyper-V, allowing you to create multiple virtual networks on a single physical infrastructure.
  • Quality of service (QoS): The switch includes QoS features that allow you to prioritize different types of traffic, such as voice or video, to ensure that critical applications receive the bandwidth they need.
  • Redundancy and high availability: The switch includes features such as link aggregation, redundant power supplies, and hot-swappable modules to ensure that your network remains up and running in the event of a failure.

Scalable Networking Solutions

The HP J9821A Aruba 5406R Ethernet 4U Rack-Mountable 6-Slots Switch is a scalable networking solution that is designed for medium to large enterprise environments. It offers high-performance, secure, and reliable connectivity for wired and wireless devices.

The switch features six slots, which can be populated with a variety of modules to support different networking needs. It supports up to 384 ports, with a maximum switching capacity of 320 Gbps. This makes it ideal for large-scale networks with high traffic demands.

The switch also offers advanced security features such as access control lists, network segmentation, and threat detection and mitigation. It supports multiple protocols and standards, including IPv4, IPv6, and MPLS, which makes it compatible with a wide range of devices and applications.

The switch is rack-mountable, which makes it easy to install and manage in a data center or server room. It also supports remote management, allowing administrators to monitor and control the switch from anywhere.

Networking capabilities and connectivity

The HP J9821A Aruba 5406R Ethernet 4U Rack-Mountable 6-Slots Switch is a high-performance, multi-gigabit switch that offers a wide range of networking capabilities and connectivity options. Some of the key features and capabilities of this switch include:

  • 48 x 10/100/1000BASE-T ports and 4 x 10GBASE-T ports for high-speed data transfer
  • 2 x SFP+ ports for fiber connectivity
  • 2 x module slots for additional connectivity options, such as SFP+ or QSFP+ ports
  • Advanced L3 routing capabilities, including OSPF, BGP, and VRRP
  • IPv4 and IPv6 support for flexible network management
  • Support for advanced security features, such as access control lists and RADIUS authentication
  • Redundant power supplies and fans for high availability
  • 4U rack-mountable design for easy integration into data center environments
  • Comprehensive management options, including web-based GUI, CLI, and SNMP.

General Information about the HP J9821A

  • Manufacturer: HP
  • Part Number or SKU# J9821A
  • Type: Networking
  • Switch-Type: Managed Switch
  • Option Part Number: J9821-61001

Technical Information

  • Enclosure Type: Rack-Mountable 4U
  • Encryption Algorithm: SSL
  • Subtype: Gigabit Ethernet
  • Included Accessories: 1 Aruba 5400R zl2 Management Module (J9827A), 1 Aruba 5406R zl2 Switch Fan Tray (J9831A)
  • Authentication Method: RADIUS, TACACS+, Secure Shell v.2 (SSH2)
  • Features: VLAN support, auto-uplink (auto MDI/MDI-X), IGMP snooping, half duplex mode, full duplex mode, sFlow, Virtual Route Redundancy Protocol (VRRP) support, Access Control List (ACL) support, Quality of Service (QoS), MLD snooping, STP Root Guard, Uni-Directional Link Detection (UDLD), Rapid Per-VLAN Spanning Tree Plus (PVRST+), LLDP support, Port Security, DHCP protection, Class of Service (CoS), sFlow v5, Generic Attribute Registration Protocol (GARP), Type of Service (ToS)
  • Power Over Ethernet (PoE): PoE+
  • Compliant Standards: IEEE 802.1Q, IEEE 802.3ab, IEEE 802.1p, IEEE 802.3af, IEEE 802.3ad (LACP), IEEE 802.1x, IEEE 802.1s, IEEE 802.1ad, IEEE 802.1v, IEEE 802.1ab (LLDP), IEEE 802.3at, IEEE 802.3az
  • Remote Management Protocol: SNMP 1, RMON 2, RMON, SNMP 3, SNMP 2c, HTTP, SSH-2, CLI, XRMON
  • Routing Protocol: OSPF, RIP-1, RIP-2, BGP, IGMP, OSPFv2, static IP routing, IGMPv3, OSPFv3

Expansion / Connectivity

  • I/O Ports and Slots: 6 Open Module Slots (Supports a maximum of 144 autosensing 10/100/1000 ports or 144 SFP ports or 48 SFP+ ports or 48 HPE Smart Rate Multi-Gigabit or 12 40GbE ports, or a combination)
  • Expansion Slots: 6 (total) / 6 (free) x Expansion Slot


  • 1000 Mb Latency: < 2.8 μs (FIFO 64-byte packets)
  • 10 Gbps Latency: < 1.8 μs (FIFO 64-byte packets)
  • 40 Gbps Latency: < 1.5 μs (FIFO 64-byte packets)
  • Throughput: up to 571.4 Mpps
  • Routing/Switching Capacity: 960 Gbps
  • Switch Fabric Speed: 1015 Gbps
  • IPv4 Routing Table Size: 10000 entries
  • IPv6 Routing Table Size: 5000 entries
  • MAC Address Table Size: 64000 entries

Dimensions & Weight

  • Rack Units: 4U
  • Width: 17.50 inch (44.45 cm)
  • Height: 6.91 inch (17.53 cm)
  • Depth: 17.75 inch (45.09 cm)
  • Weight: 24.50 lbs (11.11 kg)

Power Supply

  • Power Supply Slots: 2
  • Minimum Power Supply Required: 1
  • Installed Qty: 0 (installed) / 2 (max)
  • Power Device: Internal power supply

Environmental Parameters

  • Operating Relative Humidity: 15% to 95% @ 113°F (45°C) (non-condensing)
  • Nonoperating/Storage Relative Humidity: 15% to 95% @ 149°F (65°C) (non-condensing)
  • Min Operating Temperature: 0°C (32°F)
  • Max Operating Temperature: 45°C (113°F)
  • Min Nonoperating/Storage Temperature: -40°C (-40°F)
  • Max Nonoperating/Storage Temperature: 70°C (158°F)
  • Altitude: up to 10,000 ft (3 km)
  • Acoustic Power: 44 dB (ISO 7779, ISO 9296)
  • Acoustic Pressure: 31.7 dB (ISO 7779, ISO 9296)
Brand Warranty:
3 Years from the Manufacturer
Product Condition:
New Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
Final Sale items are non-returnable/refundable in any situation. Any question? please ask our team before the shipment.

Important notes:

We can provide additional warranty service/support for any product you purchase from us if you need additional warranty coverage before finalizing the order from ALLHDD.Com. You need to ask in live chat/help or call us for more information.

Individual product warranty mentioned on each item product description page/detail page.

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UPS® First Overnight - Saturday
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FedEx Shipping Options:

FedEx Ground®
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Worldwide Shipping Options:

UPS®/FedEx® International Economy

Estimated delivery time: 4-7 business days

UPS®/FedEx® International Priority

Estimated delivery time: 2-4 business days

UPS®/FedEx® Ground Shipping Canada

Estimated delivery time: 5-8 business days

Important notes:

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