I/O Cards & Adaptors
2,441 productsUpdated March 2026
All (2,441)Audio Cards & Adaptors(193)Graphics Cards & Video Adaptors(785)TV Tuner Cards & Adaptors(109)Riser Cards(760)Computer Interface Cards & Adapters(539)

TVCables
SATA to IDE Adapter
£6.36
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 7.1 USB Audio Adapter External Sound Card with SPDIF Digi
£43.08
2 offers

StarTech.com
StarTech.com 4 Port PCI SuperSpeed USB 3.0 Adapter Card with SATA / SP4 Power
£72.36
up to £72.99
2 offers

Cabledepot
Serial ATA to IDE Adapter
£6.36
2 offers

Asus
ASUS TUF GAMING RX 7900 XTX OC 24GB Graphics Card
£956.56
up to £985.58
2 offers

Asus
ASUS HYPER M.2 X16 CARD V2 interface cards/adapter Internal
£36.26
up to £46.98
2 offers

Cabledepot
SCSI 1-2 Adapter
£15.86
2 offers

Hewlett Packard Enterprise
HPE ProLiant DL3X5 Gen11 1U x16 Low Profile Secondary Riser Kit
£434.08
up to £438.99
2 offers

StarTech.com
StarTech.com USB Stereo Audio Adapter External Sound Card with SPDIF D
£38.77
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

StarTech.com
StarTech.com PCI Express Serial Card, PCIe to RS232 (DB9) Serial Interface Card, PC Serial Card w/ 16C1050 UART, Standard or Low Profile Brackets, COM Retention, Windows & Linux
£50.99
up to £53.99
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 4 port PCI 1394a FireWire Adapter Card - 3 External 1 Internal
£31.98
up to £34.54
2 offers

StarTech.com
StarTech.com 4-Port Serial PCIe Card, Quad-Port PCI Express to RS232/RS422/RS485 (DB9) Serial Card, Low-Profile Bracket Incl., 16C1050 UART, Windows/Linux, TAA Compliant - Level-4 ESD Protection
£164.99
up to £169.81
2 offers

Intel
Intel AXXP3SWX08080 interface cards/adapter Internal PCIe
£392.14
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

TVCables
TV Coax to 2x F-Connector Splitter
£1.08
2 offers

Gainward
Gainward GeForce RTX 5090 Phantom GS NVIDIA 32 GB GDDR7
£4293.28
up to £4386.96
2 offers

Sonnet
Sonnet Allegro Pro interface cards/adapter Internal USB 3.2 Gen 1 (3.1
£169.64
up to £172.47
2 offers

Cabledepot
SATA & IDE PCI Raid Card 1x int 1x ext SATA & 1x IDE
£11.18
2 offers

MSI
MSI GAMING GeForce RTX 5060 TI 16G OC NVIDIA 16 GB GDDR7
£486.96
up to £507.01
2 offers

Asus
ASUS PRIME RTX 5060 Ti 8GB OC Graphics Card
£420.03
up to £495.99
2 offers

TVCables
SCART to Two RCA & SVHS Cable
£2.62
2 offers