I/O Cards & Adaptors
1,280 productsUpdated March 2026
All (1,280)Audio Cards & Adaptors(80)Graphics Cards & Video Adaptors(410)TV Tuner Cards & Adaptors(55)Riser Cards(341)Computer Interface Cards & Adapters(367)

Dell
DELL hunderol 3 PCIe dd-In
£136.73
up to £139.01
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

Origin Storage
Origin Storage X4DACBL7 Intel Compatible Direct Attach Copper Breakout
£104.34
up to £106.08
2 offers

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

Dell
DELL 1DW11 interface cards/adapter Internal DisplayPort
£59.52
up to £61.84
2 offers

Lenovo
Lenovo PCIe udio expnsion crd
£70.82
up to £144.50
2 offers

Dell
DELL PCIe x1 Seril Por Crd wih
£67.06
up to £68.17
2 offers

Origin Storage
Origin Storage X4DACBL3 Intel Compatible Direct Attach Copper Breakout
£62.90
up to £63.95
2 offers

StarTech.com
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Low Profile Serial DB9 Controller/Expansion Card, 15kV ESD Protection, Windows Only - TAA
£181.99
up to £188.71
2 offers

Asus
ASUS Dual -RTX5060-O8G-EVO NVIDIA GeForce RTX 5060 8 GB GDDR7
£361.48
up to £366.65
2 offers

StarTech.com
StarTech.com 2-Port Serial PCIe Card, Dual-Port PCI Express to RS232/RS422/RS485 (DB9) Serial Card, Low-Profile Brackets Incl., 16C1050 UART, Windows/Linux, TAA Compliant - Level-4 ESD Protection
£81.99
up to £85.63
2 offers

Lenovo
Lenovo CARDPOP CARDPOP L 83DN IO/B
£42.52
up to £43.22
2 offers

Logilink
LogiLink AU0006C interface cards/adapter IDE/ATA. SATA
£35.30
up to £35.89
2 offers

HP
HP FAN & PCIE CARD GUIDE Z6 G5
£108.07
up to £109.87
2 offers

Maplin
Maplin Wired Earbuds USB-C Soft Fit Hands Free Calling Volume Button
£19.09
up to £19.41
2 offers

Asus
ASUS NUCIOALA0CR interface cards/adapter RJ-45, RS-232
£45.98
up to £52.98
2 offers

StarTech.com
StarTech.com Thunderbolt to Dual DisplayPort Adapter DP 1.4, Dual 4K 60Hz or Single 8K/5K Thunderbolt to DP Converter, 2x DisplayPort Monitor Video Display Adapter - Mac & Windows
£47.42
up to £47.98
2 offers

Origin Storage
Origin Storage X4DACBL5 Intel Compatible Direct Attach Copper Breakout
£75.97
up to £77.24
2 offers

Asus
ASUS TUF GAMING RTX 5060 8GB GDDR6 Graphics Card
£374.67
up to £396.67
2 offers

Microconnect
Microconnect MC-PCIE-MCS2S interface cards/adapter Internal Serial
£29.94
up to £30.54
2 offers

EXSYS
EXSYS EX-11099-2 interface cards/adapter Internal USB 3.2 Gen 1 (3.1 G
£139.01
up to £141.59
2 offers

Forming Function
Forming Function ry for 2 Powerdo. for 300
£17.80
up to £18.12
2 offers

Apricorn
Apricorn ASW-USB3-25 interface cards/adapter
£35.04
up to £35.20
2 offers

HPE
HPE NVIDI Qudro NVS 295
£90.49
up to £92.00
2 offers