HP 403626-B21 4Gb Fiber channel Pass

Product Overview
The HP 403626-B21 4Gb Fibre Channel Pass-Through Module is designed for HP BladeSystem c-Class enclosures. It provides a direct, unmanaged Fibre Channel connection between blade server mezzanine adapters and external SAN switches. Because it removes the need for active FC switching inside the enclosure, it offers a simple and low-latency path for storage connectivity. In addition, the module supports 4Gb FC signalling and fits into the interconnect bays of c-Class enclosures. As a result, it is well suited for environments where administrators want predictable throughput and direct attachment to an existing SAN fabric.

Key Features

• Pass-through module for HP BladeSystem c-Class

• Part number 403626-B21

• Supports 4Gb Fibre Channel signalling

• Provides direct FC connectivity without internal switching

• Designed for low-latency SAN communication

• Fits BladeSystem interconnect bays

• Unmanaged architecture for simplified integration

• Suitable for server blades with FC mezzanine adapters

• Enables easy mapping to external FC switches or fabrics

Technical Specification Highlights

• Module type: Fibre Channel Pass-Through

• Data rate: 4Gb FC per port

• Connectivity: direct channel pass-through to external SAN

• Compatibility: HP BladeSystem c-Class enclosures

• Supported mezzanine cards: 4Gb FC adapters used in HP ProLiant server blades

• Configuration: no switching, zoning or internal fabric setup

• Signal routing: one-to-one link from blade to external SAN switch

• Environmental support: data-centre temperature and airflow standards

• Ideal for storage solutions requiring predictable link behaviour

Usage & Application
This module is used in HP BladeSystem installations where administrators prefer a simple FC path rather than using embedded Fibre Channel switches. Because it offers direct connectivity, each blade server can link to an external FC switch with minimal configuration. This makes it suitable for SAN environments with existing zoning policies or for infrastructures with tightly controlled switching layers. It also works well during migrations or expansions where direct attach simplifies planning. Furthermore, the module helps reduce complexity because no firmware, licenses or switch management are involved. As a result, it is practical for stable, predictable SAN access inside c-Class blade deployments.

Why Choose this Product
Choose the HP 403626-B21 if you need a straightforward Fibre Channel link for BladeSystem c-Class servers. It delivers consistent 4Gb throughput, avoids internal switching complexity and integrates cleanly with established SAN fabrics. Because it is unmanaged and easy to deploy, it remains a reliable choice for environments that require simple, direct FC connectivity.

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