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Buacoz 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.
"Gold-Plated PCIe X1 Connector", Featuring a thickened gold-deposited contact layer, the PCIe X1 interface resists oxidation, minimizes signal loss, and ensures reliable connectivity across PCIe X1/X4/X8/X16 slots.
"TVS (Transient Voltage Suppression) Protection", Integrated TVS diodes shield against voltage spikes, surges, and electromagnetic interference, safeguarding both your equipment and data integrity.
"Dual RS-422/485 Signal Conversion", Converts single-ended PCIe signals into balanced differential RS-422/485 outputs, supporting long-distance communication (up to 1200 meters) with noise immunity.
"Plug-and-Play Installation", Pre-loaded drivers support Windows 7/8/10/11 and Linux systems. Auto-detects COM ports for hassle-free setup.

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Product OverviewElevate your industrial connectivity with our high-performance PCIe to Dual RS-422/485 Serial Port Card, engineered for stability, durability, and seamless integration. Designed for demanding environments, this card converts PCIe signals into dual RS-422/485 serial ports, delivering robust communication for automation, manufacturing, and legacy systems. Backed by advanced surge protection and industrial-grade components, it ensures uninterrupted data transmission even in the harshest conditions.

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First Listed on Newegg	June 15, 2026

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Return for refund within: 30 days
Return for replacement within: 30 days
This item is covered by Qiangsheng kuajing (Hong Kong) Co., Limi Return Policy

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Item#: 9SIC5T7KZA3718