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)

Icy Box
ICY BOX IB-PCI1901-C32 interface cards/adapter Internal USB 3.2 Gen 2
£54.29
up to £55.19
3 offers

MSI
MSI GEFORCE RTX 5050 8G VENTUS 2X OC graphics card NVIDIA 8 GB GDDR6
£285.96
up to £560.48
3 offers

Pny
PNY VCG508016TFXXPB1-O graphics card NVIDIA GeForce RTX 5080 16 GB GDD
£1168.66
up to £1543.39
3 offers

HP
HP Crd Dual TBT4 PCIe x4 LP interface cards/adapter Internal
£369.92
up to £380.03
3 offers

HP
HP USB-C G2 ALT 100W In v3 Flex IO interface cards/adapter
£35.30
up to £35.89
3 offers

Adder
ADDER ipeps+ HDMI
£703.02
up to £713.43
3 offers

Microconnect
Microconnect IPOD013 audio cable 3 m 3.5mm Black
£14.89
up to £15.18
3 offers

StarTech.com
StarTech.com 33ft (10m) 8K 60Hz HDMI Signal Booster. Active HDMI 2.1 I
£94.50
up to £96.08
3 offers

HPE
HPE PCI-X riser ord 64i 133mhz
£60.83
up to £61.84
3 offers

Sunix Group
SUNIX Group SER5066A interface cards/adapter
£180.46
up to £183.94
3 offers

Siig
Siig JU-DV0112-S1 USB graphics adapter Grey
£73.68
up to £74.91
3 offers

Siig
Siig JU-DV0511-S1 USB graphics adapter 2048 x 1152 pixels Black
£72.35
up to £73.55
3 offers

CAPTURE
CAPTURE Ship-lel 76 x 102mm. Core
£105.19
up to £108.20
3 offers

Origin Storage
Origin Storage 332-1366 Dell Compatible Direct Attach Copper Breakout
£62.90
up to £63.95
3 offers

Icy Box
ICY BOX Eherne 1000 Mi/S
£29.98
up to £30.48
3 offers

StarTech.com
StarTech.com 4-Port USB PCIe Card, USB 3.2 5Gbps, PCI Express Expansion Card with 4x Independent USB Controllers, 4x USB-A Ports, Windows/macOS/Linux
£97.32
up to £101.99
3 offers

Siig
Siig JU-VG0511-S1 USB graphics adapter 2048 x 1152 pixels Black
£70.14
up to £71.31
3 offers

R�DE
R�DE Sc21 0.3 M lck
£36.60
up to £39.42
3 offers

Siig
Siig JU-VG0012-S1 USB graphics adapter Black
£65.12
up to £66.21
3 offers

Sunix Group
SUNIX Group SER5037A interface cards/adapter
£113.60
up to £115.60
3 offers

Siig
Siig JU-H20111-S1 USB graphics adapter Black
£92.06
up to £93.60
3 offers

Eaton
Eaton INDRELAY-MS interface cards/adapter Internal Serial
£321.11
up to £329.01
3 offers

StarTech.com
StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485
£130.06
up to £138.99
3 offers

Sunix Group
SUNIX Group SER5056AL interface cards/adapter Internal Serial
£141.14
up to £143.76
3 offers