HP PBA MAINTIGER3K Switch Mainboard FR4 2-Layer

For network administrators who need to restore full switching capability without replacing an entire chassis, this HP main board assembly for the Tiger3K series offers a direct path back to reliable operation. Unlike generic aftermarket boards, it is engineered to the exact electrical and mechanical specifications of the original switch, ensuring seamless integration and consistent performance in demanding data center and enterprise environments.

Highlights

• Authentic HP replacement part for Tiger3K series switches
• FR-4 flame-retardant substrate with 2-layer PCB design for stable signal integrity
• Integrated network processor, RAM, and flash memory for complete control plane functionality
• Internal bus interfaces for high-speed data plane communication
• Supports external Ethernet and console port connectivity via switch chassis
• Designed for passive or active cooling within the original enclosure
• Proprietary form factor with screw-down or slot-in mounting

In daily use

Installing this board restores the switch to its original operational state, eliminating the need for costly configuration changes or compatibility workarounds. The board's 2-layer FR-4 construction balances cost and performance for the Tiger3K platform, while the integrated processor and memory handle packet forwarding, management, and security features. Diagnostic LED support allows quick status verification during boot and operation. Because it is a genuine HP part, firmware and software updates continue to work as expected, preserving your investment in the switch infrastructure.

Full specifications

• Product type: Main board assembly
• Compatibility: HP Tiger3K series network switches
• Board material: FR-4 (flame retardant 4)
• PCB layers: 2-layer
• Primary function: Core control and data plane processing
• Component type: Internal replacement part
• Connectivity: Internal bus interfaces, external port interfaces (Ethernet, console)
• Processor: Integrated network processor/CPU
• Memory: Integrated RAM and flash storage
• Power interface: Internal DC power connector
• Management interface: Internal bus for switch management
• Status indicators: Support for diagnostic LEDs
• Application environment: Data center / enterprise network switches
• Form factor: Proprietary internal board design
• Thermal management: Passive or active cooling within switch chassis
• Mounting: Screw-down or slot-in mounting within switch enclosure
• Revision: .2 (inferred from FR4.2Lay)

Final note

This HP main board is the definitive solution for Tiger3K switch repairs, providing OEM-grade reliability and performance without the expense of a full chassis replacement.