Aruba CX 6400 48-port 10GbE Module

The Aruba CX 6400 48-port 10GbE Module is a high-density line card designed to expand the capabilities of the Aruba CX 6400 modular chassis, delivering 48 SFP+ ports operating at 10 Gigabit Ethernet speeds. Built on Aruba's advanced ASIC pipeline, the module integrates deep packet buffers that significantly reduce congestion-induced packet loss in environments where storage fabrics and AI inference workloads compete for bandwidth. This makes it particularly well-suited for data center tiers where NVMe-over-Fabrics (NVMe-oF), iSCSI, and FCoE traffic must coexist with east-west GPU cluster communication without sacrificing latency predictability.

The module leverages the CX 6400 chassis backplane for non-blocking fabric connectivity, ensuring full line-rate forwarding across all 48 ports simultaneously. It ships with native support for Aruba's traffic profiling system, which allows operators to define per-application Quality of Service (QoS) policies, Data Center Bridging (DCB) parameters including Priority Flow Control (PFC) and Enhanced Transmission Selection (ETS), and RoCEv2 acceleration—all managed through a unified intent-based configuration model. Integration with Aruba Fabric Composer streamlines automated provisioning for storage and AI cluster onboarding.

Launched in Q2 2025, this line card reflects Aruba's strategic push into AI-ready data center networking. Its enhanced buffer design addresses the burst absorption requirements of large-scale GPU training jobs and all-flash storage arrays, where microsecond-level congestion spikes can cascade into application-level performance degradation. The module is fully compatible with Aruba Central's cloud-based AIOps engine, enabling predictive analytics, anomaly detection, and proactive capacity planning across the entire CX 6400 deployment.

Ideal for

• High-density NVMe-over-Fabrics storage connectivity requiring lossless transport and PFC-enabled congestion management across 48 dedicated 10GbE server-facing ports
• AI and ML GPU cluster leaf switching where bursty east-west training traffic demands deep buffering to prevent tail-latency spikes during all-to-all communication phases
• Converged data center access layer supporting simultaneous iSCSI, FCoE, and standard Ethernet workloads from a single high-port-count line card within a shared chassis
• Enterprise virtualization fabrics connecting hypervisor hosts at 10GbE with RoCEv2-capable paths for RDMA-enabled applications and live migration traffic isolation
• HPC cluster interconnect expansion where the CX 6400 chassis serves as the spine or aggregation layer and additional 10GbE downlink density is required without adding chassis footprint
• Financial services low-latency trading infrastructure requiring deterministic forwarding behavior and fine-grained QoS scheduling across storage, compute, and market-data traffic classes

Technical specifications

Available from Omnixon Global. Submit an RFQ and our team will confirm configuration and availability for your order.