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Main image of PCIe to 4-Port RS232 Serial Card ASIX AX99100, Industrial 4x DB9 COM Port Expansion, for Desktop & Industrial Control

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PCIe to 4-Port RS232 Serial Card ASIX AX99100, Industrial 4x DB9 COM Port Expansion, for Desktop & Industrial Control

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PCI-E to 4-port RS232 serial port card AX99100 chip; The product can obtain 4 serial communication ports through the PCI-E slot of the PC host. It adopts the AX99100 chip with industry-leading stable, durable and strong compatibility. Its excellent electrical performance design and stable, fast communication capabilities make it a wise choice for users in the field of automation engineering.; The serial port can be powered by pins 1 and 9.; Supports special baud rates (optional).; Industrial-grade temperature range: -40 to 85°C.; Independent power chip, enabling 5V/12V power supply without external power supply.; The computer mainframe suitable forPCI-E slots can provide 4 standardDB9-pin RS232 serial ports. Each port iscontrolled by a full serial modem andsupports a bidirectional speed of up to25Mbps, enabling remote wake-up andpower management functions.

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PCI-E to 4-port RS232 serial port card AX99100 chip The product can obtain 4 serial communication ports through the PCI-E slot of the PC host. It adopts the AX99100 chip with industry-leading stable, durable and strong compatibility. Its excellent electrical performance design and stable, fast communication capabilities make it a wise choice for users in the field of automation engineering. The serial port can be powered by pins 1 and 9. Supports special baud rates (optional).
Industrial-grade temperature range: -40 to 85°C. Independent power chip, enabling 5V/12V power supply without external power supply. The computer mainframe suitable forPCI-E slots can provide 4 standardDB9-pin RS232 serial ports. Each port iscontrolled by a full serial modem andsupports a bidirectional speed of up to25Mbps, enabling remote wake-up andpower management functions.

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First Listed on Newegg	July 13, 2026

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Item#: 9SIC7FXM183370