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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 240 of 240 All Expansion Cards items

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1 option available

Advantech PCIE-1824 Series

16-Bit – 32-Channel Analog Output PCIe Card

From £718.50 (exc. VAT)

1 option available

Advantech PCIE-1756 Series

64-Channel Isolated Digital I/O PCI Express Card

From £224.00 (exc. VAT)

1 option available

Advantech PCIE-1810 Series

500 kS/s 12-bit 16-Channel Multifunction PCIe DAQ Card

From £357.50 (exc. VAT)

1 option available

Advantech PCIE-1803 Series

128KHz 24-bit 8-Channel Dynamic Signal Acquisition PCIe Card

From £2,413.50 (exc. VAT)

1 option available

Advantech PCIE-1805 Series

1MHz 32-Channel 16-Bit Analog Input PCIe Card

From £529.50 (exc. VAT)

1 option available

Advantech PCIE-1763DH Series

16-Channel Solid-State DC Relay Output – 16-Channel Isolated Digital Input PCIE Card

From £243.50 (exc. VAT)

1 option available

Advantech PCIE-1758DI Series

128-Channel Isolated Digital Input PCI Express Card

From £500.50 (exc. VAT)

1 option available

Advantech PCIE-1840 Series

4-Channel 16-Bit 125MHz Digitizer PCIe Card

From £3,948.50 (exc. VAT)

1 option available

Advantech PCI-1720U Series

4-Channel 12-Bit Isolated Analog Output PCI Card

From £379.00 (exc. VAT)

1 option available

Advantech PCI-1245L Series

4-Axis Stepping and Servo Motor Control Universal PCI Card

From £630.50 (exc. VAT)

1 option available

Advantech PCI-1602C Series

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

From £148.00 (exc. VAT)

1 option available

Advantech PCM-28P1AD Series

PCIe to 2x MPCIe iDoor I/O Plate Expansion

From £78.50 (exc. VAT)

Expand USB Connectivity with Embedded Box PCs

Scalable platforms for industrial applications.

Combine USB expansion cards with our expandable embedded box PCs to achieve high-performance connectivity and long-term reliability for the most demanding industrial projects.

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3 options available

Moxa CP-114EL-I Series

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

From £404.50 (exc. VAT)

2 options available

Moxa CB-114 Series

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

From £269.50 (exc. VAT)

2 options available

Moxa CA-104 Series

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

From £111.00 (exc. VAT)

2 options available

Moxa CP-112UL-I Series

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

From £207.00 (exc. VAT)

2 options available

Moxa CP-102U Series

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

From £55.50 (exc. VAT)

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)

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-602E-I Series

2 Port Isolated CANbus PCI-Express Card

From £376.50 (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)

2 options available

Moxa CP-602U-I Series

2 Port Isolated CANbus PCI Card

From £335.00 (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)

1 option available

Sealevel 8005 Series

48-ch TTL Digital I/O PCI Card

From £392.00 (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)

2 options available

Moxa CB-602I Series

2 Port Isolated CANbus PC/104+ Module

From £361.00 (exc. VAT)

1 option available

Neousys PCIe-USB381F Series

8 Port USB3.1 Gen1 PCIe Frame Grabber Expansion Card

Axiomtek AX92909

Full-Size Mini PCIe Module – 2x USB3.0 Ports

2 options available

Axiomtek AX92321 Series

4-Port USB3.0 PCI Express Card – 4x Independent Host Controllers

1 option available

Advantech PCE-USB8 Series

8 Port USB3.0 PCIe (x4) Expansion Card

From £305.50 (exc. VAT)

Why Expansion Cards Remain Essential in Industrial Systems
Expansion cards extend the capabilities of embedded PCs and servers by adding dedicated functions that onboard hardware cannot provide. They support precise data acquisition, high speed imaging, industrial communication protocols and additional I O that would otherwise require external devices. For engineers who need predictable timing, low latency and long term stability, these cards offer performance that software alone cannot match.

How to Identify the Right Type of Card
Different tasks call for different hardware strengths. DAQ cards deliver accurate analogue and digital measurements for monitoring and control. Serial cards maintain communication with equipment that relies on RS standards. Frame grabber cards capture and process high-resolution images at high speed for machine vision. Fieldbus cards link systems to industrial networks in a reliable and deterministic way. USB and network expansion cards increase connectivity where installed ports are limited or already allocated. Understanding signal requirements, bandwidth, latency and isolation needs will point you toward the correct option.

What to Check Before Integrating an Expansion Card
Mechanical format, power draw, operating temperature and driver support are often just as important as channel count or speed. Ensuring that the card aligns with the host system’s cooling layout and available slots avoids problems later in deployment. Cards chosen with these constraints in mind give more consistent performance and reduce the risk of redesign during commissioning.

UK Supply and Support for Long Term Projects
We supply a wide range of industrial expansion cards with local testing and configuration services. Our team helps match each card to your application, confirm compatibility with your host hardware and plan for long term availability so your systems remain stable and repeatable across their entire lifecycle.