The HPE Aruba CX 8400 8-Slot Chassis is a modular platform for campus core and aggregation deployments. Powered by AOS-CX, it supports high-speed interfaces, advanced automation, and resilient switching for flexible enterprise network infrastructure.
Guide price: Price range: £1,800.00 through £17,439.80 Ex. VAT
Large enterprise campus networks require modular switching infrastructure capable of supporting high device densities, wireless deployments, and high-bandwidth applications.
The HPE Aruba CX 8400 8-Slot Chassis is a modular switching platform designed for campus core and aggregation deployments. Built on the AOS-CX operating system, the chassis supports multiple line cards delivering connectivity from 1GbE to 100GbE with high switching capacity. Data-centre and fabric-oriented switching architecture, together with AOS-CX telemetry and modern routing protocols, supports scalable east-west traffic patterns across leaf-spine and high-bandwidth aggregation designs.
The CX 8400 uses a distributed switching architecture with redundant management modules and integrated Network Analytics Engine capabilities for continuous telemetry and programmable monitoring. That helps operators scale server, storage, and application connectivity without losing visibility into traffic behaviour as workloads become more distributed and bandwidth intensive. Organisations that require 32-port QSFP-DD connectivity and 400GbE density may also consider the HPE Aruba CX 9300-32D 32-Port QSFP-DD Switch, for supporting newer high-bandwidth fabric designs where a fixed high-speed spine is the better fit.
The modular design allows organisations to expand network capacity while maintaining automation, analytics, and operational insight across large campus environments.
Our specialists can help design and deploy HPE Aruba CX 8400 8-Slot Chassis solutions tailored to enterprise campus core networks. It also gives IT teams a more practical platform for planned growth without adding unnecessary management overhead.
The HPE Aruba CX 8400 8-Slot Chassis is a modular campus core and aggregation switch platform designed to deliver high-capacity switching, flexible interface options, and resilient network operations.
Eight-Slot Modular Chassis
Supports multiple line cards for flexible high-capacity switching deployments.
High-Speed Interface Modules
Supports 1GbE through 100GbE connectivity depending on installed line cards.
High-Performance Switching Fabric
Designed to support large enterprise campus traffic loads.
Flexible Power and Cooling Options
Modular design supports scalable system expansion.
AOS-CX Operating System
Supports automation and advanced network programmability.
Redundant System Components
Supports redundant management modules, power supplies, and fans.
Integrated Analytics
Network Analytics Engine provides deep network visibility.
Whether modernising enterprise campus cores or expanding high-capacity aggregation layers, we help design Aruba CX 8400 deployments for scalable performance and resilience.
| Product Family | Aruba CX |
|---|---|
| Operating System | AOS-CX |
| Product Series | 8400 |
| Switching Capacity (Gbps) | |
| Deployment | Campus |
| Target Organisation Size | Enterprise |
| Primary Use Case | Core |
| Chassis Type | |
| Product Tier | Standard |
| Network Architecture | Layer 3 |
| Chassis Size (RU) | |
| Maximum Line Card Slots | |
| Supervisor Engine Support | |
| Fabric Module Support | |
| Supported Port Types | |
| Maximum Port Speed | 100G |
| Redundant Supervisors | |
| Power Redundancy | Hot-swappable PSUs |
| Redundant Fan Modules | |
| Maximum VLANs | 4094 |
The HPE Aruba CX 8400 8-Slot Chassis is designed for organisations that need a modular switch for campus core, aggregation, and high-capacity services distribution. It is best suited to larger enterprise networks where slot-based expansion, high availability, and flexible interface choices matter more than using a fixed-form-factor core platform.
Large campus cores often carry building uplinks, routed services, and policy traffic across one central switching layer. The CX 8400 fits this role by combining modular scale with the resiliency expected in enterprise core networks.
Aggregation layers that bring together access switches, wireless traffic, and user services need strong Layer 3 capability and room to grow. This chassis works well where campus bandwidth and interface needs change over time.
Sites supporting dense Wi-Fi, IoT, and user access often need modular switching that can combine policy enforcement with flexible port options. The CX 8400 is a strong fit where services distribution and high-speed uplinks sit on the same platform.
The CX 8400 also suits private data environments where modular switching supports aggregation or core-style routing. It is relevant where server, storage, and service traffic need to be concentrated on a chassis platform with strong redundancy.
Some enterprise data centres use Aruba CX in leaf and spine designs rather than only in campus roles. The CX 8400 fits these deployments where modular scale and high-throughput switching are required in the fabric.
Our team can help design and deploy Aruba CX 8400 switching for campus core, modular aggregation, and enterprise data centre environments.
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Below you’ll find alternative models, suitable software and services that pair with this solution – helping you to avoid compatibility issues, reduce support overhead and deploy with confidence.
Not all deployments fit standard configurations. If you’re weighing up options or want a second opinion on your setup, our team is here to help with honest, straightforward advice backed by decades of vendor knowledge.
Not sure which model is right for your environment? Our specialists can help you select the right platform for your infrastructure requirements.
