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 PCIe x1 Seril Por Crd wih
£65.75
up to £68.17
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
Gigabyte
GIGABYTE GeForce RTX 5090 AORUS MASTER ICE 32GB Graphics Card
£2582.55
up to £2698.49
2 offers
Cabledepot
SCSI 1-2 Adapter
£15.86
2 offers
StarTech.com
StarTech.com 6in SATA Power to 8 Pin PCI Express Video Card Power Cable Adapter
£13.98
up to £15.63
2 offers
Lenovo
Lenovo 7Y37A01093 interface cards/adapter Internal M.2
£113.93
up to £117.14
2 offers
StarTech.com
StarTech.com 2S1P Native PCI Express Parallel Serial Combo Card with 1
£45.94
up to £46.70
2 offers
StarTech.com
StarTech.com 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM R
£97.14
2 offers
Gigabyte
GIGABYTE GeForce RTX 3060 WINDFORCE OC 12GB GDDR6 Graphics Card
£250.15
up to £258.26
2 offers
Sonnet
Sonnet M.2 2x4 Low-profile PCIe Card
£191.42
up to £194.61
2 offers
2N
2N A9188 digital/analogue I/O module Relay channel
£829.86
up to £843.69
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
TVCables
eSATA - SATA Adapter
£1.99
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 2S1P PCI Express Serial Parallel Combo Card with Breakout
£41.21
up to £41.89
2 offers
Sonnet
Sonnet M.2 8x4 Silent PCIe 4.0 Card
£870.88
up to £885.39
2 offers
HYTE
HYTE PCIE 5.0 RISER CABLE TARO MILK
£66.88
up to £68.09
2 offers
Asus
ASUS Dual -RTX3060-O12G-V2 NVIDIA GeForce RTX 3060 12 GB GDDR6
£274.51
up to £481.01
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
Cabledepot
15cm 6-Pin Pci Express 2x Molex Rounded Pin
£1.10
2 offers
HP
HP HDMI 2.1 v3 Flex IO interface cards/adapter
£33.97
2 offers
Logilink
LogiLink 4+1-port USB 2.0 PCI Card interface cards/adapter
£20.96
up to £21.31
2 offers
Lenovo
Lenovo 01YU028 interface cards/adapter RJ-45
£39.30
up to £39.96
2 offers
Asus
ASUS ROG Astral RTX 5090 32GB Graphics Card
£2723.16
up to £2799.82
2 offers