JL376A - HPE CX 8400 Switch Series (8-slot Modular Chassis) Switch

Name: JL376A - HPE CX 8400 Switch Series (8-slot Modular Chassis) Switch
Brand: HPE
SKU: JL376A
Price: 3760 USD
Availability: InStock

JL376A - HPE CX 8400 Switch Series (8-slot Modular Chassis) Switch | US IT Hardware

Product overview

The HPE Aruba Networking CX 8400 Switch Series (JL376A) is a carrier-class modular chassis designed for enterprise campus core and data center aggregation/spine deployments. This 8U form factor system delivers 19.2 terabits per second (1.2Tbps per slot) of non-blocking switching capacity with support for up to 8 line modules, enabling flexible port configurations including 32-port 10GbE, 8-port 40GbE, 6-port 40/100GbE, and 32-port 25GbE modules. The JL376A includes three power supplies (supporting up to four for N+N redundancy), redundant fabric modules, and comprehensive management capabilities via AOS-CX operating system with REST APIs, Python scripting, and Network Analytics Engine. Advanced Layer 2/3 features include BGP, EVPN, OSPF, VRF, IPv6, VXLAN, and MACsec hardware encryption. The system supports up to 7.142 billion packets per second throughput, 4,094 VLANs, 128 link aggregation groups, and 9K jumbo frames. Ideal for bandwidth-intensive applications, cloud infrastructure, and mission-critical network environments requiring high availability and automation.

19.2Tbps switching capacity with 1.2Tbps per slot.
7.142 billion packets per second throughput.
Supports up to 8 line modules with flexible port configurations.
Redundant fabric, power supplies, and management for carrier-grade availability.
Hardware-based MACsec encryption and advanced Layer 2/3 routing.
AOS-CX automation with REST APIs and Python scripting.

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Fabric Modules
Manufacturer part #	JL376A
Brand	HPE
Condition	New
MPN/SKU	JL376A
Automation	AOS-CX operating system with built-in REST APIs, Python scripting, one-touch deployment via CX Mobile App
Model Name	CX 8400 Switch Series (8-slot Modular Chassis)
Jumbo Frames	Maximum frame size 9K bytes
Product Line	Aruba Networking CX
Product Type	Modular Ethernet Switch
VLAN Support	Up to 4,094 port-based or IEEE 802.1Q-based VLANs; MAC-based VLANs; VLAN translation; Q-in-Q tunneling

Compatible systems

The JL376A is a standalone modular switch compatible with HPE Aruba Networking ecosystem line modules, fabric modules, power supplies, and fan trays. It runs AOS-CX operating system with REST API and Python automation. Supports standard 10GbE/40GbE/100GbE transceivers and DAC cables. Management via SNMP, sFlow, and NetEdit. Can be deployed in VSX clustering for high availability. No specific OS compatibility requirements beyond AOS-CX.

HPE Aruba Networking CX
Model: CX 8400 Series
Form factor: 8U modular chassis
Generation: Current generation
Standalone modular switch; can be deployed in campus core, data center spine/aggregation, or service provider backbone roles. Supports VSX clustering for active-active redundancy.

Best for

Data Center Core/Spine
High-capacity backbone switching for large-scale data center networks requiring non-blocking throughput, redundant fabric, and support for 40GbE/100GbE uplinks in leaf-spine topologies.
Campus Core Aggregation
Enterprise campus network core switch consolidating multiple access layer switches with carrier-grade availability, VXLAN segmentation, and dynamic routing (BGP/EVPN) for multi-tenant environments.
Cloud Infrastructure Networking
Backbone switch for cloud service provider and hyperscale deployments requiring massive port density, automation via REST APIs/Python, and deep packet inspection with MACsec encryption.

Details

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Link Aggregation	Up to 128 LAGs with 8 links per LAG; static or dynamic groups; user-selectable hashing algorithm

Operating System	AOS-CX (Aruba Operating System - CX)

High Availability	Virtual Switching Extension (VSX), redundant management, redundant fabric, redundant power supplies, redundant fans

Security Features	Hardware-based MACsec encryption (not software), unidirectional link detection (UDLD)

Layer 2/3 Protocols	BGP, EVPN, OSPF, VRF, IPv6, VXLAN, STP, LACP, SNMP v2c/v3

Transceiver Support	Standard SFP+, QSFP+, QSFP28 transceivers; Unsupported Transceiver Mode (UTM) for 1G/10G transceivers and DAC cables (no warranty)

Compliance Standards	EN 60950-1, EN 61000-3-2/3-3, EN 62368-1, FCC CFR47 Part 15B, GB 9254, ICES-003, IEC 60825/60950-1, IEC 61000-3-2/3-3, UL 60950-1, UL 62368-1, VCCI, AS/NZS CISPR 22, CISPR 32, CSA 22.2, EN 55022, EN 55032

Management Interface	RJ45 Ethernet for out-of-band management (OOBM), RJ45 serial console, USB Type-A for file management

Monitoring & Analytics	SNMP v2c/v3, sFlow (RFC 3176), Network Analytics Engine, NetEdit support

Standard Configuration	1x 32-port 10GbE module, 1x 8-port 40GbE module, 2x 8400X fabric modules, 3x power supplies, 3x fan tray bundles

Packet Throughput	7.142 billion packets per second (BPPS)
Switching Capacity	19.2 Tbps (1.2 Tbps per slot)

Security Features	Hardware-based MACsec encryption (not software), unidirectional link detection (UDLD)

Power Supplies	3 included, up to 4 supported for N+N redundancy
Fan Configuration	3 fan tray bundles included (JL371A), each with 6 fans

Dimensions	Standard configuration weight 74 kg (164 lbs); full configuration up to 109 kg (241 lbs); empty chassis 34 kg (76 lbs)
Form Factor	8U rack-mountable chassis

Interface/Ports

Line Module Slots	8 slots (standard 2 fabric modules, up to 6 line modules for 10GbE variant)
Supported Line Modules	32-port 10GbE with MACsec, 8-port 40GbE, 6-port 40/100GbE, 32-port 25GbE

Frequently asked questions

What is the maximum switching capacity and throughput of the HPE JL376A?

The JL376A delivers 19.2 terabits per second (Tbps) of non-blocking switching capacity with 1.2Tbps per slot across 8 line module slots. It supports up to 7.142 billion packets per second (BPPS) throughput with line-rate forwarding across all ports simultaneously, making it suitable for bandwidth-intensive data center and campus core deployments.

What line modules and port configurations are supported?

The JL376A supports up to 8 line modules including: 32-port 10 Gigabit Ethernet with hardware MACsec, 8-port 40 Gigabit Ethernet, 6-port 40/100 Gigabit Ethernet, and 32-port 25GbE modules. A standard configuration includes 1x 32-port 10GbE module and 1x 8-port 40GbE module, with maximum 6 modules per enclosure for the 10GbE variant due to thermal constraints.

What redundancy and high-availability features does the JL376A provide?

The JL376A includes carrier-class redundancy with redundant fabric modules, up to 4 hot-swappable power supplies (3 included, supporting N+N redundancy with 4 total), redundant management modules, and Virtual Switching Extension (VSX) for active-active clustering. Three fan tray bundles are included for thermal management across the 8U chassis.

What security and encryption capabilities are included?

The JL376A features hardware-based MACsec encryption (not software-based) on 10GbE ports, preventing man-in-the-middle attacks. It supports advanced Layer 2/3 security with VLAN translation, Q-in-Q tunneling, up to 4,094 VLANs, and 128 link aggregation groups (LAGs) with static or dynamic configuration and user-selectable hashing algorithms.

How does the AOS-CX operating system enhance network automation?

AOS-CX enables automation through built-in REST APIs and Python scripting for programmatic configuration and monitoring. It includes Network Analytics Engine for intelligent monitoring and real-time remediation, sFlow (RFC 3176) for wire-speed network monitoring, and NetEdit support for automated configuration verification. One-touch deployment via the CX Mobile App simplifies initial setup.

What are the physical dimensions and power requirements?

The JL376A is a compact 8U rack-mountable chassis weighing 74 kg (164 lbs) in standard configuration and up to 109 kg (241 lbs) fully populated. It requires multiple power supplies supporting N+N redundancy; exact power consumption depends on line module configuration. The system supports jumbo frames up to 9K bytes for high-performance backup and disaster recovery.

Is the JL376A suitable for data center leaf-spine architectures?

Yes, the JL376A excels in data center spine roles within leaf-spine topologies. It supports dynamic VXLAN with BGP-EVPN for deep segmentation, OSPF, and advanced routing protocols. The 19.2Tbps capacity and support for 40GbE/100GbE uplinks make it ideal for aggregating traffic from multiple leaf switches in large-scale cloud and hyperscale deployments.

HPE CX 8400 Switch Series (8-slot Modular Chassis) Switch

Product overview

Featuring

Compatible systems

Best for

Details

Shipping, warranty & returns

Customer reviews

Network & Communication

Security

Power Consumption

Physical Characteristics

Interface/Ports

Frequently asked questions