I/O Cards & Adaptors
1,787 productsUpdated April 2026
All (1,787)Audio Cards & Adaptors(123)Graphics Cards & Video Adaptors(480)TV Tuner Cards & Adaptors(69)Riser Cards(479)Computer Interface Cards & Adapters(484)

Citizen
Citizen Interface card. LAN
£61.19
up to £62.63
3 offers

Gigabyte
GIGABYTE GeForce RTX 3060 WINDFORCE OC 12GB GDDR6 Graphics Card
£250.15
up to £258.26
3 offers

Asus
ASUS Dual -RTX5060-O8G-EVO NVIDIA GeForce RTX 5060 8 GB GDDR7
£363.48
up to £366.65
3 offers

HP
HP Thunderbolt 3.0 Flex IO v3 interface cards/adapter
£49.06
up to £51.20
3 offers

Logilink
LogiLink USB Soundcard 7.1 channels
£20.56
up to £20.90
3 offers

Pny
PNY GeForce RTX 3090 EPIC-X RGB Triple Fan XLR8 Gaming Edition
£2140.36
up to £2176.03
3 offers

Angelbird Technologies
Angelbird Technologies C-SATA interface cards/adapter
£54.71
up to £55.62
3 offers

Lindy
Lindy DisplayPort 1.4 EDID Emulator
£78.13
up to £79.43
3 offers

Sunix Group
SUNIX Group USB4300N interface cards/adapter Internal USB 3.2 Gen 1 (3
£121.49
up to £123.67
3 offers

StarTech.com
StarTech.com 24in Internal USB Motherboard Header to Serial RS232 Adap
£20.53
2 offers

Cabledepot
USB 3.0 2 Port PCI-e Card
£5.30
2 offers

Cabledepot
Serial ATA to IDE Adapter
£6.36
2 offers

StarTech.com
StarTech.com DisplayPort to VGA Adapter - Active DP to VGA Converter - 1080p Video - DP/DP++ Source to VGA Monitor Cable Adapter - DP to VGA Adapter Dongle Digital to Analog - DP 1.2 to VGA
£23.78
up to £24.98
2 offers

Cabledepot
2-Port USB 3.0 Express Card 34mm
£5.50
2 offers

StarTech.com
StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows/Linux - TAA
£101.53
up to £101.99
2 offers

StarTech.com
StarTech.com USB 3.0 to HDMI and VGA Adapter - 4K/1080p USB Type-A Dual Monitor Multiport Adapter Converter - External Video Graphics Card for Multiple Screens - Multi Display USB Adapter
£69.97
up to £69.99
2 offers

StarTech.com
StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows & Linux
£49.04
up to £50.99
2 offers

StarTech.com
StarTech.com 24in Internal USB Motherboard Header to 2 Port Serial RS232 Adapter
£62.99
up to £64.66
2 offers

Intel
Intel AXXP3SWX08080 interface cards/adapter Internal PCIe
£392.14
2 offers

Inno3d
INNO3D GeForce RTX 5090 X3 OC NVIDIA 32 GB GDDR7
£4134.43
up to £4211.15
2 offers

StarTech.com
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protection, Windows Only - TAA
£183.99
up to £188.71
2 offers

MSI
MSI VENTUS RTX 3060 TI 2X 8G OC V1 LHR graphics card NVIDIA GeForce RT
£437.52
up to £441.57
2 offers

StarTech.com
StarTech.com 24in Internal USB Motherboard Header to 2 Port Serial RS2
£63.86
2 offers

StarTech.com
StarTech.com 7.1 USB Audio Adapter External Sound Card with SPDIF Digi
£43.08
2 offers