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Computer Interface Cards & Adapters

439 productsUpdated June 2026
Black Siig JU-NE0111-S1 USB to Ethernet adapter with a compact design, featuring two LED indicator lights and a USB connector attached by a short cable.

Siig

Siig JU-NE0111-S1 interface cards/adapter

£44.81

up to £45.71

2 offers
Black network management card with multiple ports and a green circuit board, designed for Eaton UPS models including 5PX, 9E, and 9PX.

Eaton

Eaton INDRELAY-MS interface cards/adapter Internal Serial

£328.78

up to £335.35

2 offers
Siig JJ-P04621-S7 interface cards/adapter Internal Serial

Siig

Siig JJ-P04621-S7 interface cards/adapter Internal Serial

£92.17

up to £94.02

2 offers
Silver Sandberg USB hub featuring one USB 3.0 port and three USB 2.0 ports, connected by a flexible black cable, designed for efficient device connectivity.

Sandberg

Sandberg USB-A Hub 1xUSB3.0+3x2.0 SAVER

£20.94

up to £21.36

2 offers
Green circuit board PCI interface card with a metal bracket, featuring four black RS-232 ports and a cable with multiple connectors for serial communication.

Siig

Siig DP 4-Port Industrial RS-232 Universal PCI interface cards/adapter

£148.20

up to £151.16

2 offers
SUNIX Group SER5066A interface card featuring a brown circuit board, multiple black chips, and a metal connector, designed for expanding computer connectivity.

Sunix Group

SUNIX Group SER5066A interface cards/adapter

£180.56

up to £184.18

2 offers
HP Internal Serial Port interface card with a green circuit board, metal DB9 connector, and multi-colored wires leading to a black connector.

HP

HP Internal Serial Port (600/705/800) interface cards/adapter

£43.82

up to £44.70

2 offers
OKI RNS SSY EXI2 (2-26.

OKI

OKI RNS SSY EXI2 (2-26.

£224.38

up to £228.86

2 offers
Axis D3110 Mk II module featuring a sleek design with multiple analog relay channels, typically in a compact, durable casing suitable for digital/analog I/O applications.

AXIS

Axis D3110 Mk II digital/analogue I/O module Analog Relay channel

£521.53

up to £531.96

2 offers
HP dual Thunderbolt 4 PCIe x4 low-profile interface card in silver metal, featuring three Thunderbolt ports and a DisplayPort connection on one edge.

HP

HP Crd Dual TBT4 PCIe x4 LP interface cards/adapter Internal

£372.52

up to £379.97

2 offers
Active optical cable with a light blue fiber optic strand, featuring two silver connectors with black grips, designed for 100GB Intel compatibility by Origin Storage.

Origin Storage

Origin Storage 100FRRF0030 Intel Compatible Active Optical Cable 100GB

£102.88

up to £104.93

2 offers
Silver Sandberg USB 3.0 Hub with four ports, featuring a sleek design and a short white cable, ideal for expanding USB connectivity.

Sandberg

Sandberg USB 3.0 Hub 4 ports SAVER

£23.23

up to £23.70

2 offers
Black USB-C 2.5Gb Ethernet adapter with a short cable, featuring the Sonnet logo prominently on the side and an Ethernet port on the opposite end.

Sonnet

Sonnet SOLO-NBASE-T interface cards/adapter RJ-45

£42.52

up to £43.37

2 offers
Yellow printed circuit board with two serial ports, a black chip, and a silver metal bracket for installation, labeled with "SUNIX Group SER5037A."

Sunix Group

SUNIX Group SER5037A interface cards/adapter

£113.63

up to £115.90

2 offers
Direct Attach Copper Breakout cable featuring a black flexible cable with one SFP+ connector on one end and four SFP+ connectors on the other, designed for Dell compatibility.

Origin Storage

Origin Storage 407-ABQB Dell Compatible Direct Attach Copper Breakout

£104.53

up to £106.62

2 offers
White digital/analogue I/O module with multiple colored terminal blocks, featuring a sleek design and AXIS branding on the top.

AXIS

Axis 02861-001 digital/analogue I/O module Relay channel

£375.06

up to £382.56

2 offers
Black ICY BOX 4-port USB 3.0 hub with a sleek design, featuring four blue USB ports and a connected USB cable for easy connectivity.

Icy Box

ICY BOX Us 3.2 Gen 1 (3.1 Gen 1)

£32.64

up to £33.29

2 offers
Green PCI-1P interface card by Siig with a silver metal bracket, featuring electronic components and connectors for dual profile installation.

Siig

Siig Dual Profile PCI-1P interface cards/adapter

£52.26

up to £53.30

2 offers
Black internal sound card with multiple audio ports, featuring a circuit board design, capacitors, and a PCI-E connector for 7.1 channel audio output.

Creative Labs

Creative Labs Sound Blaster Audigy Rx 7.1 PCI-E Sound Card

£99.60

up to £101.59

2 offers
Direct Attach Copper Breakout cable with one SFP+ connector on one end and four SFP+ connectors on the other, featuring a black flexible cable and labeled connectors.

Origin Storage

Origin Storage 332-1366 Dell Compatible Direct Attach Copper Breakout

£67.82

up to £69.18

2 offers
Seiko Instruments SLP850-UK0C11-15 USB INTERFACE

Seiko Instruments

Seiko Instruments SLP850-UK0C11-15 USB INTERFACE

£98.59

up to £100.56

2 offers
Thunderbolt 3 upgrade kit featuring a black circuit board with gold connectors, accompanied by a black Thunderbolt 3 cable and a Thunderlok 3 connector for secure attachment.

Sonnet

Sonnet Thunderbolt 3 Upgrade Kit

£230.39

up to £235.00

2 offers
Green PCI card with two PS/2 ports (one purple, one green) and a metal bracket, featuring a black chip and various electronic components.

Siig

Siig DP PCI-to-PS/2 interface cards/adapter

£32.98

up to £33.64

2 offers
Blue circular logo featuring the white letters "hp" in a modern font, representing the HP brand.

HP

HP USB-C G2 ALT 100W In v3 Flex IO interface cards/adapter

£31.85

up to £32.48

2 offers
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