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HPE Aruba CX Aruba CX 8320

End of saleNetwork1U fixed switch
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The Aruba CX 8320 switch series is an enterprise 1U campus core and datacenter top-of-rack switch delivering wire-speed 10GbE and 40GbE performance. Running the microservices-based AOS-CX operating system, the 8320 incorporates Aruba VSX multi-chassis link aggregation for non-stop forwarding, programmable REST APIs, and real-time telemetry analytics through the integrated Network Analytics Engine.

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Specifications

BrandHPE
FamilyAruba CX
Form factor1U fixed switch
ReleasedJun 2017
End of saleOct 2023
End of supportOct 2028
Form factor1U fixed switch with redundant power and fans
Port options48x 10GbE SFP+ with 6x 40GbE QSFP+, or 32x 40GbE QSFP+
Switching capacityUp to 2.5 Tbps
Forwarding capacityUp to 1,905 Mpps
High availabilityAruba VSX multi-chassis redundancy
Cooling airflowFront-to-back (port-to-power) or back-to-front (power-to-port)

Generations

Works together

How the HPE Aruba CX Aruba CX 8320 connects to servers, storage and the network: 3 ways, with the parts and products on each path.

iSCSI and NVMe/TCP over EthernetFile storage (NFS and SMB)Hyperconverged cluster

iSCSI and NVMe/TCP over Ethernet

Keep the speed the same at all three points: a 25GbE server, a 25GbE switch port and a 25GbE array port. Mixed speeds work but the slowest link sets the pace.

Servers

Adapters for the server

Storage

Optics

iSCSI and NVMe/TCP over Ethernet: how it fits together

File storage (NFS and SMB)

Front-end ports face the clients; back-end ports (on scale-out systems) connect the nodes to each other and need their own switch pair.

Servers

Adapters for the server

Storage

Optics

File storage (NFS and SMB): how it fits together

Hyperconverged cluster

Plan at least two 25GbE ports per node to two switches; all-NVMe clusters often move to 100GbE.

HCI nodes

Adapters for the server

Optics

Hyperconverged cluster: how it fits together

Plan and size it

Check compatibility with HPE

Before you buy, confirm the exact configuration against the vendor's own lists: firmware levels, operating systems, adapters and optics that HPE has tested with the HPE Aruba CX Aruba CX 8320.

Equivalent models from other brands

FAQ

What is Aruba VSX?

Virtual Switching Extension (VSX) is a multi-chassis high availability architecture that synchronizes control plane state between two switches while keeping data paths active.

Is the CX 8320 still supported in modern AOS-CX deployments?

Yes, it runs modern AOS-CX releases and can peer with newer CX 8325 or CX 8360 switches in mixed-generation backbones.

Buying or selling Aruba CX 8320?

New, refurbished or used. Tell us the quantity and condition and we connect you with a vetted reseller in your region, usually within one working day.

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Sources