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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Expansion Cards

Showing 95 of 95 Serial Cards items

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CP-102EL
1 option available
Moxa CP-102EL Series
2 Port RS-232 Low Profile PCI Express Serial Card
From £94.00 (exc. VAT)
7161
3 options available
Sealevel 7161 Series
16 Port RS-232 PCI Serial Card
7108
1 in stock
2 options available
Sealevel 7108 Series
1 Port RS-232/422/485 Isolated Low Profile PCI Serial Card
From £636.00 (exc. VAT)
7106e
2 options available
Sealevel 7106e Series
1 Port RS-232/422/485/530 Low Profile PCI Express Asynchronous Serial Card
From £229.00 (exc. VAT)
7106
2 options available
Sealevel 7106 Series
1 Port RS-232/422/485/530 Low Profile PCI Serial Card
From £437.00 (exc. VAT)
7104
4 options available
Sealevel 7104 Series
1 Port RS-232 Low Profile PCI Serial Card
From £445.00 (exc. VAT)
5402e
1 option available
Sealevel 5402e Series
4 Port RS-232/422/485/530/530A/V.35 PCI Express Synchronous Serial Card
From £1,473.00 (exc. VAT)
5402
1 option available
Sealevel 5402 Series
4 Port RS-232/422/485/530/530/V.35 Synchronous Serial PCI Card
From £1,161.50 (exc. VAT)
5104e
2 options available
Sealevel 5104e Series
1 Port RS-232/422/485/530/530A/V.35 Low Profile PCI Express Synchronous Serial Card
From £584.50 (exc. VAT)
5104
2 options available
Sealevel 5104 Series
1 Port RS-232/422/485/530/530A/V.35 Low Profile PCI Synchronous Serial Card
5103e
2 options available
Sealevel 5103e Series
1 Port RS-232 Low Profile PCI Express Synchronous Serial Card
From £453.50 (exc. VAT)
5103
2 options available
Sealevel 5103 Series
1 Port RS-232 Low Profile PCI Synchronous Serial Card
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.

Vecow RCX-2750 Series
5102e
2 options available
Sealevel 5102e Series
1 Port RS-232/422/485/530/530A/V.35 Low Profile PCI Express Synchronous Serial Card
From £534.00 (exc. VAT)
5102
2 options available
Sealevel 5102 Series
1 Port RS-232/422/485/530/530A/V.35 Low Profile PCI Synchronous Serial Card
7804e
1 option available
Sealevel 7804e Series
8 Port RS-232/422/485 PCI Express Asynchronous Serial Card
7804
1 option available
Sealevel 7804 Series
8 Port RS-232/422/485 PCI Serial Card
7803
4 options available
Sealevel 7803 Series
8 Port RS-232 Low Profile PCI Serial Card
7802ec
2 options available
Sealevel 7802ec Series
8 Port RS-422/485 Low Profile PCI Express Asynchronous Serial Card
From £415.50 (exc. VAT)
7406e
4 options available
Sealevel 7406e Series
4 Port RS-232 Low Profile PCI Express Asynchronous Serial Card
7406
5 options available
Sealevel 7406 Series
4 Port RS-232 Low Profile PCI Serial Card
From £481.50 (exc. VAT)
7404e
1 option available
Sealevel 7404e Series
4 Port RS-232/422/485 PCI Express Asynchronous Serial Card
7402e
1 option available
Sealevel 7402e Series
4 Port RS-422/485 Low Profile PCI Express Asynchronous Serial Card
7205ec
2 options available
Sealevel 7205ec Series
2 Port RS-232/422/485 Low Profile PCI Express Asynchronous Serial Card
From £253.00 (exc. VAT)
7205
2 options available
Sealevel 7205 Series
2 Port RS-232/422/485 Low Profile PCI Serial Card
From £674.50 (exc. VAT)
7204e
2 options available
Sealevel 7204e Series
2 Port RS-422/485 Low Profile PCI Express Asynchronous Serial Card
7204
4 options available
Sealevel 7204 Series
2 Port RS-422/485 PCI Serial Card
7203e
1 option available
Sealevel 7203e Series
2 Port RS-232/422/485 Isolated PCI Express Asynchronous Serial Card
From £205.00 (exc. VAT)
7202
2 options available
Sealevel 7202 Series
2 Port RS-232 PCI Serial Card
7201
2 options available
Sealevel 7201 Series
2 Port RS-232/422/485 PCI Serial Card
7161e
2 options available
Sealevel 7161e Series
16 Port RS-232 PCI Express Asynchronous Serial Card
3588
1 option available
Sealevel 3588 Series
8 Port RS-485 PC/104 Serial Card
3540
1 option available
Sealevel 3540 Series
4 Port RS-232/422/485 PC/104 Serial Card
3514
1 option available
Sealevel 3514 Series
1 Port RS-232/422/485/530/530A/V.35 PC/104+ Synchronous Serial Card
3512
1 option available
Sealevel 3512 Series
1 Port RS-232/422/485/530/530A/V.35 PC/104 Synchronous Serial Card
CP-114EL
3 in stock
3 options available
Moxa CP-114EL Series
4 Port RS-232/422/485 Low Profile PCI Express Serial Card
From £195.00 (exc. VAT)