Compaq 123479-004 375W Redundant Single Port I/O Board Module

Compaq 123479-004 375W Redundant Single Port I/O Board Module

This is an I/O board module for Compaq ProLiant server systems. The 123479-004 is a redundant single-port I/O expansion card designed to provide additional input/output connectivity and power distribution (375W rating) for ProLiant rack-mount and tower server platforms. I/O modules of this type extend the system's connectivity capabilities and support hot-swap or redundant configurations in high-availability server environments.

Specifications & What's Included

• Manufacturer: Compaq
• Model Number: 123479-004
• Type: Redundant I/O Board Module
• Power Rating: 375W
• Ports: Single port, redundant configuration
• Form Factor: Card/Module
• Compatible Systems: Compaq ProLiant servers (various generations)

Applications

Compaq ProLiant I/O modules such as this 123479-004 were used in enterprise server deployments throughout the late 1990s and 2000s to expand I/O capacity and provide redundant connectivity paths in business-critical environments. ProLiant servers were the backbone of corporate data centers and hosting facilities, and modules like this enabled administrators to scale connectivity and improve system reliability. These modules remain useful for maintaining legacy ProLiant systems still in operation or for system builders and technicians working with older server hardware. The redundant port design was particularly valued in mission-critical configurations where downtime was costly.