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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 08/15
- Model #: C7FK-OYS-2026.7.28-837
- $127.99 –
- Free Shipping
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CC3220R Chip of The Ultra-Low Power Serial Port-to-Wi-Fi Module Supports Modbus TCP Server/Client New 2025 for Arrival High for Quality
- Model #: TOLDB0F26MWZFM
- $85.99 –
- Free Shipping
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IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SY-PEX15066
Limited time offer, ends 08/15
- Model #: C7FK-OYS-2026.7.28-559
- $87.99 –
- Free Shipping
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Syba SY-PEX15019 PCI-Express RS-232 Serial 8-Port Card with OXPCIe958 Chipset
Limited time offer, ends 08/15
- Model #: C7FK-OYS-2026.7.28-556
- $97.99 –
- 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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0PPHXF New COM Serial Port Module for Pro Micro QCM1250 QBM1250 Desktop
- Model #: TOLDB0GZNWCJ7S
- $153.99 –
- Free Shipping
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IO CREST 8 Port Serial DB9 RS-232 PCI Controller Card RDC C6238 Chipset SI-PCI15068
Limited time offer, ends 08/15
- Model #: C7FK-OYS-2026.7.28-553
- $75.99 –
- 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 with Opto-Isolation, Surge/Lightning Protection & Terminal Block - Industrial-Grade Multi-Port Expansion Card for COM Port, Automation, Communication
Limited time offer, ends 08/15
- Model #: C7FK-OYS-2026.7.28-67
- $74.99 –
- 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 08/15
- Model #: C7FK-OYS-2026.7.28-573
- $74.99 –
- Free Shipping
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2080-SERIALISOL Micro800 Isolated Serial Port Plug-in Module 2080SERIALISOL New in Box with Warranty
- Model #: TOLDB0CH5CS1NV
- $349.99 –
- Free Shipping
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LINDY 2 Port Serial RS-422/485, 16C1050 PCI Card (51215)
- Model #: TOLDB004AOGZB0
- $218.99 –
- Free Shipping
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Control Card TF-F6NUR Network Port Card U Disk Serial Port Single and Double Color led Display E6NUR F6NUR
- Model #: TOLDB0F7XL8W3X
- $184.99 –
- Free Shipping
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Control Card ZH-E8L Network Port Serial Port U Disk Network LED Display to Change The Word E8L E7L
- Model #: TOLDB0DZMJS8QY
- $362.99 –
- Free Shipping
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Control Card ZH-E5L Network Port Serial Port U Disk Network Cluster LED Display to Change The Word E5L
- Model #: TOLDB0F8QB6ZPY
- $205.99 –
- Free Shipping
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4.0 Bluetuth Module Dual Mode Ble Spp Transparent Serial Port HM-12T HM12T New 2025 High for Reliable Electronic Component, Precision, Stable Performance
- Model #: TOLDB0F2B1R74H
- $89.99 –
- Free Shipping
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Character Card ZH-E3L Secondary Development LED Display Control Card Network Port Serial Port E3L(ZH-E3L Character Card (NIC-RS485))
- Model #: TOLDB0F7X6H5N8
- $250.99 –
- Free Shipping
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Control Card ZH-E3L Network Port Serial Port U Disk Network Cluster Electronic LED Display E3L
- Model #: TOLDB0F8QCQQ5B
- $148.99 –
- Free Shipping
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Character Card ZH-E3L Secondary Development LED Display Control Card Network Port Serial Port E3L(ZH-E3L Character Card (NIC-RS232))
- Model #: TOLDB0F7XBXGRX
- $241.99 –
- Free Shipping
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Syba 2 Port DB9 RS-422 / 485 Serial PCI-Express 2.0 x1 Card (SI-PEX15043)
Limited time offer, ends 08/15
- Model #: C7FK-OYS-2026.7.28-550
- $97.99 –
- Free Shipping
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LINDY 8 Port Serial RS-232, 16C950 128 Byte FIFO PCI Card Std Profile (51275)
- Model #: TOLDB003OAWZKG
- $723.99 –
- 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
Limited time offer, ends 08/15
- Model #: LHXC6W1JU09-6
- $39.59 –
- Free Shipping
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IO CREST 2 Port RS-232 DB9 Serial M.2 B+M Key Controller Card SI-ADA15069
Limited time offer, ends 08/15
- Model #: C7FK-OYS-2026.7.28-568
- $87.99 –
- Free Shipping
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Control Card BX-6K3 Secondary Development Network Port RS485 Serial Port RS232 Font Card led Display 6K3
- Model #: TOLDB0F8Q97PHB
- $249.99 –
- Free Shipping
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LINDY 4 Port Serial RS-232, 16C650 128 Byte FIFO PCIe Card (51189)
- Model #: TOLDB0028R1AF2
- $149.99 –
- Free Shipping
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Dazzle Blue Light Control Card TF-C6NUR Network Port U Disk Serial Port Single and Dual Color led Display M6NUR C6NUR
- Model #: TOLDB0DZMXQDPC
- $121.99 –
- Free Shipping
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Control Card ZH-E1L Network Port Serial Port U Disk Network Cluster Electronic LED Display E1L
- Model #: TOLDB0F8Q9WZ5Q
- $114.99 –
- Free Shipping
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IO Crest 4 Port RS-232 Serial PCIe 2.0 X1 Controller Card Components SI-PEX15042
Limited time offer, ends 08/15
- Model #: C7FK-OYS-2026.7.28-823
- $117.99 –
- Free Shipping
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MOXA NPort 5430 w/Adapter 4-Port RS-422/485 Serial Device Server, 10/100 Ethernet with Power Adapter, RS-422/485, Terminal Block
Limited time offer, ends 08/15
- Model #: CIKHB07CHQPZPG
- $798.99 –
- More options from $798.99 - $936.99
- Free Shipping
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CWWK N5105 Soft Routing Six Network Port i226 Network Card DDR4 Dual Memory/M.2 NVMe Solid State /4 USB/RS232 Serial Port (Barebone)
- Model #: TOLDB0C77737TH
- $674.99 –
- Free Shipping
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Single Port PCIe 5G RJ45 Ethernet Card, Realtek RTL8126 Chip Gaming Wired Network Adapter, Support PXE Diskless Boot for Desktop PC
- Model #: C4P5-US440
- $31.07 –
- Free Shipping
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1set and Fast Data Transfer PCI to 8Ports RS232Serial Card Stable for Multiple Serials Devices Device Control and Communication
- Model #: TOLDB0GCMTK4DD
- $148.99 –
- Free Shipping
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StarTech.com USB 2.0 to 10/100 Mbps Ethernet Network Adapter Dongle
- Weight: 0.3
- Package Contents: USB 2.0 to 10/100 Mbps Ethernet Network Adapter Dongle 1 x Driver CD 1 x Instruction Manual
- Parts: 2 Year
- Labor: 2 Year
- Model #: USB2100
- $29.99 –
- Free Shipping
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Brainboxes Serial Adapter - 2 Ports (ES-357)
- Model #: TOLDB008S0EMTO
- $545.99 –
- Free Shipping