HPE Aruba R0X42A 6400 - Expansion Module - 10Gb Ethernet x 24 R0X42A

Description:

The HPE Aruba R0X42A 6400 24-port 10Gb Ethernet expansion module is used in enterprise networking systems to provide high-speed 10GbE connectivity and scalable network expansion for modular switch platforms. Commonly installed in Aruba CX 6400 series chassis within campus networks and data centers where high-bandwidth access, aggregation, and server connectivity are required. Maintenance teams and system integrators use this module for network deployments, infrastructure upgrades, performance scaling, and expansion of existing switching capacity.

Applications:

The HPE Aruba R0X42A is commonly used in enterprise campus cores, aggregation layers, and data center environments where high-density 10GbE copper connectivity is required for servers, storage systems, and high-performance network backbones. It is ideal for environments transitioning from 1GbE to 10GbE infrastructure.

Technical Specifications:

• Manufacturer Part Number (MPN): R0X42A
• Product Type: Switch Expansion Module
• Series: Aruba CX 6400
• Ports: 24 × 10GBase-T (RJ-45) Ethernet
• Uplink Ports: 4 × SFP56 (supports 1/10/25/50GbE transceivers)
• Data Rate: Up to 10 Gbps per port (copper), up to 50 Gbps uplinks
• Form Factor: Plug-in modular line card
• Compatibility: Aruba CX 6400 chassis (6405 / 6410 series)
• Connectivity: Copper (10GBase-T) + fiber uplink expansion
• Switching Architecture: Works within CX 6400 non-blocking fabric (up to multi-terabit capacity per chassis)
• Mounting Type: Chassis-installed module
• Application Environment: Enterprise campus, aggregation, and data center networks

Common Replacements:

• Aruba R0X43C 24-port SFP+ Fiber Module
• Aruba R0X38C 48-port 1GbE PoE Module
• Aruba R0X44C 48-port SFP28 10/25GbE Module