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Industrial Expansion Cards for I/O, Networking, Vision and More

Our expansion card range covers everything from data acquisition and serial communication to machine vision, fieldbus integration, and high-speed networking. With PCIe, PCI, and USB options available, these cards provide reliable ways to extend I/O, improve connectivity, and enhance system capability in industrial and embedded applications. Whether you need precise DAQ performance, robust serial interfaces, or advanced frame grabbing for vision systems, our full selection supports scalable and dependable system design.

Need help choosing the right expansion card? Get in touch with our friendly team to match the right card to your application.

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Showing 95 of 95 Serial Cards items

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1 option available

Moxa CP-102EL Series

2 Port RS-232 Low Profile PCI Express Serial Card

From £96.50 (exc. VAT)

4 options available

Moxa CP-114UL-I Series

4 Port Isolated RS-232/422/485 Low Profile Universal PCI Serial Card, 0°C to +55°C

From £425.00 (exc. VAT)

4 options available

Moxa CP-114UL Series

4 Port RS-232/422/485 Low Profile Universal PCI Serial Card

From £192.00 (exc. VAT)

2 options available

Moxa CA-114 Series

4 Port RS-232/422/485 PC/104 Module, 0°C to +55°C

From £184.50 (exc. VAT)

2 options available

Moxa CB-108 Series

8 Port RS-232 PC/104+ Module, 0°C to +55°C

From £249.50 (exc. VAT)

1 option available

Moxa CP-134U Series

4 Port RS-422/485 Universal PCI Serial Card – 15kV ESD Protection

From £186.00 (exc. VAT)

3 options available

Moxa CP-104UL Series

4 Port RS-232 Low Profile Universal PCI Serial Card

From £104.00 (exc. VAT)

4 options available

Moxa CP-134U-I Series

4 Port Isolated RS-422/485 Universal PCI Serial Card – 15kV ESD Protection

From £429.00 (exc. VAT)

1 option available

Moxa CP-118EL-A Series

8 Port RS-232/422/485 PCI Express Serial Card

From £385.50 (exc. VAT)

1 option available

Moxa CP-116E-A Series

16 Port RS-232/422/485 PCI Express Serial Card – 4kV Surge Protection

From £757.00 (exc. VAT)

1 option available

Moxa CP-168EL-A Series

8 Port RS-232 PCI Express Serial Card

From £209.50 (exc. VAT)

2 options available

Moxa CA-134I Series

4 Port RS-422/485 Isolated PC/104 Module, 0°C to +55°C

From £335.00 (exc. VAT)

Scalable Platforms Designed for Serial Integration

Discover our range of Expandable Embedded PCs.

Serial cards extend the connectivity of your system, while our Expandable Embedded Box PCs provide the right foundation. With multiple expansion slots and ruggedised designs, they ensure reliable performance for a range of industrial applications.

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2 options available

Moxa CP-102N Series

2 Port RS-232 Mini PCI Express Serial Card

From £124.50 (exc. VAT)

2 options available

Moxa CB-134I Series

4 Port RS-422/485 Isolated PC/104+ Module, 0°C to +55°C

From £442.00 (exc. VAT)

2 options available

Moxa CP-138U Series

8 Port RS-422/485 Universal PCI Serial Card, 0°C to +55°C

From £313.00 (exc. VAT)

2 options available

Moxa CP-168U Series

8 Port RS-232 Universal PCI Serial Card, 0°C to +55°C

From £153.50 (exc. VAT)

2 options available

Moxa CP-102UL Series

2 Port RS-232 Low Profile Universal PCI Serial Card

From £62.50 (exc. VAT)

2 options available

Moxa CP-104JU Series

4 Port RS-232 Low Profile Universal PCI Serial Card: RJ45 Ports, 0°C to +55°C

From £118.00 (exc. VAT)

1 option available

Moxa CP-132EL Series

2 Port RS-422/485 Low Profile PCI Express Serial Card – DB9M cable

From £118.00 (exc. VAT)

1 option available

Moxa CP-118E-A-I Series

8 Port RS-232/422/485 Isolated PCI Express Serial Card – 4kV Surge Protection

From £828.50 (exc. VAT)

2 options available

Moxa CP-118U Series

8 Port RS-232/422/485 Universal PCI Serial Card, 0°C to +55°C

From £321.00 (exc. VAT)

1 option available

Moxa CP-138E-A-I Series

8 Port Isolated RS-422/485 PCI Express Serial Card – 4kV Surge Protection

From £716.00 (exc. VAT)

3 options available

Moxa CP-104EL-A Series

4 Port RS-232 Low Profile PCI Express Serial Card

From £163.50 (exc. VAT)

2 options available

Moxa CP-138U-I Series

8 Port Isolated RS-422/485 Universal PCI Serial Card, 0°C to +55°C

From £601.50 (exc. VAT)

2 options available

Moxa CA-108 Series

8 Port RS-232 PC/104 Module, 0°C to +55°C

From £184.50 (exc. VAT)

3 options available

Moxa CP-134EL-A-I Series

4 Port RS-232/422/485 Isolated PCI Express Serial Card – 4kV Surge Protection

From £395.00 (exc. VAT)

2 options available

Moxa CP-132UL-I Series

2 Port Isolated RS-422/485 Low Profile Universal PCI Serial Card

From £207.50 (exc. VAT)

2 options available

Moxa CP-132UL Series

2 Port RS-422/485 Low Profile Universal PCI Serial Card

From £93.50 (exc. VAT)

2 options available

Moxa CP-112UL Series

2 Port RS-232/422/485 Low Profile Universal PCI Serial Card

From £117.50 (exc. VAT)

4 options available

Moxa CA-132/132I Series

2 Port RS-422/485 PC/104 Module

From £124.00 (exc. VAT)

2 options available

Moxa CP-118U-I Series

8 Port Isolated RS-232/422/485 Universal PCI Serial Card, 0°C to +55°C

From £766.50 (exc. VAT)

3 options available

Moxa POS-104UL Series

4 Port RS-232 Low Profile PCI Serial Card – Power Over Serial

From £115.00 (exc. VAT)

1 option available

Advantech PCIE-1602B Series

2 Port RS-232/422/485 PCI Express Serial Card – Surge Protection

From £93.00 (exc. VAT)

2 options available

Sealevel 7108 Series

1 Port RS-232/422/485 Isolated Low Profile PCI Serial Card

From £636.00 (exc. VAT)

3 options available

Moxa CP-114EL Series

4 Port RS-232/422/485 Low Profile PCI Express Serial Card

From £200.50 (exc. VAT)

Expanding Your Connectivity
Serial cards add RS-232, RS-422 or RS-485 ports to a computer. These ports are still widely used in industrial automation, control systems and legacy equipment. Adding a card allows modern PCs to connect directly with older hardware.

Made for Industrial Reliability
The cards are designed to deliver stable communication even in environments with electrical noise or vibration. Isolation options help protect both the card and connected equipment. This level of robustness makes them dependable for continuous operation.

Easy to Integrate Into Your System
Cards can be ordered on their own or supplied as part of a complete computer build. They come with full documentation and driver support to simplify installation. This ensures reliable communication without lengthy setup or troubleshooting.