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)

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

MSI
MSI GEFORCE RTX 5080 16G INSPIRE 3X OC graphics card NVIDIA 16 GB GDDR
£1179.96
up to £1226.05
2 offers

TVCables
SATA to IDE Adapter
£6.36
2 offers

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

StarTech.com
StarTech.com USB Stereo Audio Adapter External Sound Card with SPDIF Digital Audio and Stereo Mic
£38.98
up to £39.78
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

TVCables
eSATA - SATA Adapter
£1.99
2 offers

StarTech.com
StarTech.com 24in Internal USB Motherboard Header to Serial RS232 Adapter
£20.83
up to £23.98
2 offers

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

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

MSI
MSI VENTUS GeForce RTX 3060 3X 12G OC NVIDIA 12 GB GDDR6
£282.48
up to £285.13
2 offers

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

StarTech.com
StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Dual Serial DB9 Card - 16950 UART - Expansion Card - Windows & Linux
£52.91
up to £54.98
2 offers

StarTech.com
StarTech.com PCIe Card with Serial and Parallel Port - PCI Express Combo Adapter Card with 1x DB25 Parallel Port & 1x RS232 Serial Port - Expansion/Controller Card - PCIe Printer Card
£49.91
up to £50.98
2 offers

Cabledepot
44-Pin 2.5" IDE Gender Changer
£0.60
2 offers

Cabledepot
Bi-directional SATA to IDE Adapter
£14.76
2 offers

TVCables
Reverse Polarity SMA Female to SMA Female Adapter
£2.06
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 4-Port RJ45 Gigabit OCP 3.0 Server Network Card w/Intel® I350-AM4, SFF 4C+ Compatible, Multi-Speed Ethernet, PCIe 3.0, LAN Transformer, NIC w/PXE/9K
£302.76
up to £304.99
2 offers

StarTech.com
StarTech.com 7.1 USB Audio Adapter External Sound Card with SPDIF Digital Audio
£43.80
up to £46.98
2 offers

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