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Main image of PCIe to Dual RS-485/422 Serial Port Card with DB9 Connectors - High-Speed 1-to-2 Multi-Port Expansion Card, Terminal Block Adapters

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PCIe to Dual RS-485/422 Serial Port Card with DB9 Connectors - High-Speed 1-to-2 Multi-Port Expansion Card, Terminal Block Adapters

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"AX99100 High-Performance Chipset", Powered by the premium AX99100 controller chip, this card offers ultra-low power consumption, enhanced compatibility, and rock-solid stability for 24/7 operations.

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"AX99100 High-Performance Chipset", Powered by the premium AX99100 controller chip, this card offers ultra-low power consumption, enhanced compatibility, and rock-solid stability for 24/7 operations.

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First Listed on Newegg	June 17, 2026

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Item#: 9SIC73VKZJ7606