Computer Interface Cards & Adapters
367 productsUpdated March 2026
Honeywell
Intermec 270-191-001 interface cards/adapter Internal Serial
£175.90
Asus
ASUS IO/KM/RF24/LCK/FR
£59.18
Brainboxes
Brainboxes Universal 8-Port RS232 PCI Card interface cards/adapter
£474.28
QNAP
QNAP Dual-port Thunderbolt 3 Expansion Card - OPEN BOX
£117.14
StarTech.com
StarTech.com 2-Port Serial PCIe Card. Dual-Port PCI Express to RS232/R
£84.61
Toa
TOA C-001T digital/analogue I/O module
£83.58
Sharp
NEC SB3-AB1 interface cards/adapter Internal
£36.98
Brainboxes
Brainboxes Universal 1-Port Velocity RS422/485 interface cards/adapter
£76.93
Asus
ASUS IO/KM/RF24/GRY/PO
£60.51
QNAP
QNAP CTL-ES1686DC-R2-2123IT-32G peripheral controller
£5496.17
Asus
ASUS COMO LN+2U3.1 30P G/F WO/R
£14.23
Brainboxes
Brainboxes ES-842 serial server RS-422/485
£561.63
Asus
ASUS I2202 COXIL CLE 38.12MM
£12.87
Dell
DELL 540-BDRP interface cards/adapter Internal Fiber
£2293.37
Asus
ASUS X1405VP IO_D.
£22.35
StarTech.com
StarTech.com PCIe Card with Serial and Parallel Port - PCI Express Com
£49.09
Asus
ASUS C434-1 IO FFC 50P 0.5MM.L38
£12.87
Lenovo
Lenovo 4XF1L53431 interface cards/adapter Internal Mini DisplayPort, Thunderbolt 4
£200.99
StarTech.com
StarTech.com 4 Port PCI SuperSpeed USB 3.0 Adapter Card with SATA / SP
£71.48
Brainboxes
Brainboxes Universal Quad Velocity RS422/485 PCI Card interface cards/
£287.75
Brainboxes
Brainboxes PX-310 interface cards/adapter Internal Serial
£283.03
Asus
ASUS ThunderboltEX 5 2-Port Thunderbolt 5 PCIe 4.0 Expansion Card
£136.77
Sonnet
Sonnet DuoModo xMac mini/Echo III Silver Steel 1
£1979.88
Brainboxes
Brainboxes ES-320 network card Internal Ethernet 100 Mbit/s
£130.39