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PCI-E 1 Parallel port 2 Serial card pcie to COM9 pin RS232 industrial control serial port expansion card AX99100 chip
Limited time offer, ends 09/19
- Model #: C6WV-0730-OYJ-577
- $28.61 –
- Free Shipping
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PCIE RS232 Expansion Card PCIe Serial Host Controller Card with 2 Port PCI Express RS232 DB9 Serial Port, ASIX AX99100 Chip, Support for Windows
- Model #: LHXC6W1JU09-6
- $39.59 –
- Free Shipping
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PCIe to 8-Port RS-485/422 Serial Port Card, 8-Channel COM Expansion Card with TVS, Lightning/Surge Protection & Terminal Blocks - Industrial Multi-Port Data Communication
Limited time offer, ends 09/19
- Model #: C7FK-OYS-2026.7.28-837
- $127.99 –
- Free Shipping
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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
- Model #: TOLDB0F9FMG1PZ
- $75.99 –
- Free Shipping
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PCIe to 4-Port RS-485/422 Serial Card with Opto-Isolation, Surge/Lightning Protection & Terminal Block - Industrial-Grade Multi-Port Expansion Card for COM Port, Automation, Communication
Limited time offer, ends 09/19
- Model #: C7FK-OYS-2026.7.28-573
- $74.99 –
- Free Shipping
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8 Port Serial RS232/422/485 PCIe Module Isolation and Surge Protection
- Model #: TOLDB01NCJY2GH
- $671.99 –
- Free Shipping
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PCIe to 4-Port RS-485/422 Serial Card, High-Speed 9-Pin DB9 COM Port Expansion with Surge/Lightning Protection, Voltage Suppression Terminal Blocks
- Model #: C731-45-LJU01
- $85.13 –
- Free Shipping
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RS232/RS485 To Network Port Module Dual Serial Port ETH RJ45 Industrial Grade Two-Way Transparent Transmission EU Plug-AB01
Limited time offer, ends 09/19
- Model #: C6WV-0731-OYJ-700
- $58.51 –
- Free Shipping
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DriverGenius 2-Port PCI Express PCIe RS232 Serial Host Controller Adapter Card - PCIe to Serial DB9 Compatiable with Windows & Linux
Limited time offer, ends 09/13
- Model #: HYH-20260630-C7CC-2776
- $123.29 –
- Free Shipping
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WRIARICH PCI-E 1X 2-Port Serial Expansion Card AX99100 Chip, Dual DB9 Male COM Ports Support RS232 RS485 RS422 with 12CM Standard Bracket
- Model #: VDSG498SG2
- $39.99 –
- Free Shipping
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WRIARICH PCI-E 1X to 2-Port RS232 DB9 Male Serial Expansion Card AX99100 Chip Supports RS232/RS485/RS422 with 12CM Bracket
- Model #: SF498SA380
- $39.99 –
- Free Shipping
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PCIe Serial and Parallel Port Card Desktop PCI-E 1 and 2 Serial Port Card Built-in 2S1P COM Serial Parallel Port Card
Limited time offer, ends 09/16
- Model #: WLC78S.0807.Pallet0692
- $35.06 –
- Free Shipping
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PCIe to 2-Port RS232 Serial + 1-Port DB25 Parallel Card AX99100 Controller, Supports 5V/12V Power on Pin 9, IEEE1284 Parallel, Wide Temperature Range (-40°C to 80°C)
Limited time offer, ends 09/13
- Model #: C2AG-C0325-39
- $62.56 –
- More options from $62.56 - $66.65
- Free Shipping
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5/10PCS Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (1pcs)
Limited time offer, ends 09/13
- Model #: C5Z9-TechMax Depot-Lsy813-1579
- $25.99 –
- Free Shipping
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WRIARICH 5PCS USR-K7 TTL UART to Ethernet Serial Server Module, 10/100Mbps RJ45 Port, Modbus RTU to TCP Converter
- Model #: F4W9QA8F1903
- $183.99 –
- Free Shipping
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Dual Band Serial to WiFi6 Converter with MQTT SSL Quacomm WiFi Roaming Gigabit Port RS232 RS485 to WiFi6/Ethernet USR-W660
- Model #: RCCWB0CYBKCZHR
- $538.99 –
- Free Shipping
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Vszerda USR-N540 4-Port Serial to Ethernet Converter RS232 RS485 RS422 to TCP/IP RJ45 Modbus RTU Gateway Serial Device Server
- Model #: 48FE9WS4F50
- $164.08 –
- Free Shipping
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waveshare 4-Ch RS485 to RJ45 Ethernet Serial Server, 4 Channels RS485 Independent Operation, Bi-Directional Transparent Transmission, Modbus Gateway, Common Network Port
- Model #: CLAWB0CQYGWBMZ
- $112.99 –
- Free Shipping
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DriverGenius 2-Port PCI Express PCIe RS232 Serial Host Controller Adapter Card - PCIe to Serial DB9 Compatiable with Windows & Linux
- Model #: HYH-20260630-C7CC-1776
- $123.29 –
- Free Shipping
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Vszerda New Version USR-N510 (H7-4) 1-Port RS485 to Ethernet Serial Device Server Modbus RTU to TCP Converter with 12V Power Adapter
- Model #: VSEDF9S84E966
- $137.79 –
- Free Shipping
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USR-K7 Low Cost TTL UART to Ethernet Module 10/100Mbps Super Port Ethernet to Serial Module Support Modbus RTU to Modbus TCP with RJ45 Port (10PCS)
- Model #: 69048980466
- $188.99 –
- Free Shipping
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Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (5pcs)
Limited time offer, ends 09/16
- Model #: WLC78S.0730.Pallet0657
- $85.48 –
- Free Shipping
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Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)
Limited time offer, ends 09/16
- Model #: WLC78S.0730.Pallet0726
- $136.28 –
- Free Shipping
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Vszerda USR-N580 8-Port RS485 Serial Device Server Dual Ethernet Ports Modbus RTU to TCP Converter with TX/RX Indicator Lights
- Model #: VS4ED9FG65
- $247.67 –
- Free Shipping
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Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)
Limited time offer, ends 09/16
- Model #: WLC78S.0730.Pallet0710
- $137.28 –
- Free Shipping
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Vszerda Eport-E20 Network Server Port FreeRTOS TTL Serial to Ethernet Embedded Module DHCP 3.3V DHCP TCP IP Telnet Converter MCU (10pcs)
Limited time offer, ends 09/16
- Model #: WLC78S.0730.Pallet0740
- $137.78 –
- Free Shipping
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Vszerda USR-W610 Serial to WiFi Ethernet Converter RS232 RS485 Wireless TCP/IP Serial Device Server
- Model #: SGE49E8D56
- $92.39 –
- Free Shipping
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waveshare 2-CH RS485 to RJ45 Ethernet Serial Server with PoE Function, IEEE 802.3af Compliant, Rail-Mount Industrial Isolated Serial Module, Bi-Directional Transparent Transmission
Limited time offer, ends 09/12
- Model #: C6T1813-XMYXDL574
- $84.79 –
- Free Shipping
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Vszerda USR-TCP232-306 Serial to Ethernet Converter TCP/IP to RS232 RS485 RS422 Device Server
- Model #: C2VS4F952
- $137.79 –
- Free Shipping
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Quantum PCIe Dual Serial Card ASIX AX99100 Chip 2x RS232 DB9 Ports 25Mbps Industrial Adapter for Windows Linux Low Profile
- Model #: C10V-S49-7
- $28.99 –
- Free Shipping