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)

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

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

TVCables
SCART to Two RCA & SVHS Cable
£2.62
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 Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 Card - 16950 UART - Expansion Card - Windows/Linux
£101.99
up to £103.61
2 offers

Cabledepot
SCSI-3 Half Pitch 68 Female to 50 Pin IDC Female Adapter
£19.99
2 offers

Cabledepot
40 Way IDE 2.5" Drive Adapter Cable
£7.08
2 offers

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

TVCables
Molex to P4/64 Bit Power 4 Pin Square
£2.81
2 offers

StarTech.com
StarTech.com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windows & Linux
£58.99
up to £60.71
2 offers

StarTech.com
StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with 16550 UART
£91.99
up to £94.51
2 offers

Cabledepot
SCSI 1-2 Adapter
£15.86
2 offers

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

StarTech.com
StarTech.com USB 3.0 to VGA Adapter - On-Board Driver Installation - 1920x1200
£28.98
up to £31.74
2 offers

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

TVCables
eSATA - SATA Adapter
£1.99
2 offers

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

StarTech.com
StarTech.com 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM R
£97.14
2 offers

Longshine
Longshine LCS-6321M interface cards/adapter Internal Serial
£47.75
up to £49.87
2 offers

Cabledepot
15cm 6-Pin Pci Express 2x Molex Rounded Pin
£1.10
2 offers

MSI
MSI GAMING GeForce RTX5090 TRIO OC 32GB NVIDIA GeForce RTX 5090 GDDR7
£2533.98
up to £2562.01
2 offers

MSI
MSI SUPRIM GEFORCE RTX 5090 32G LIQUID SOC graphics card NVIDIA 32 GB
£2628.56
up to £2690.53
2 offers