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)
Siig
Siig DP 4-Port Industrial RS-232 Universal PCI interface cards/adapter
£143.02
up to £145.40
3 offers
i-tec
i-tec DisplayPort to HDMI Adapter 4K/60Hz
£24.42
up to £30.98
3 offers
Palit
Palit GeForce RTX 3050 StormX OC 6GB NVIDIA GDDR6
£201.06
up to £204.99
3 offers
Siig
Siig DP PCI-to-PS/2 interface cards/adapter
£27.65
up to £28.11
3 offers
StarTech.com
StarTech.com DB9 to DB25 Serial Cable Adapter - F/M
£10.98
up to £14.51
3 offers
Asus
ASUS Prime -RX9070-O16G-EVO AMD Radeon RX 9070 16 GB GDDR6
£620.27
up to £734.99
3 offers
Dell
DELL NVIDIA RTX 4500 Ada 24 GB GDDR6
£2924.50
up to £3076.99
3 offers
ALOGIC
ALOGIC ULCHDMN-SGR USB graphics adapter 3840 x 2160 pixels Black, Grey
£23.09
up to £28.16
3 offers
Seiko Instruments
Seiko Instruments SLP850-UK0C11-1D USB INTERFACE
£115.70
up to £118.41
3 offers
StarTech.com
StarTech.com 2m 3.5mm 4 Position TRRS Headset Extension Cable - M/F
£14.98
up to £16.40
3 offers
AXIS
Axis 02861-001 digital/analogue I/O module Relay channel
£333.72
up to £342.47
3 offers
Cables Direct
Cables Direct USB3C-VGACAB USB graphics adapter 2048 x 1152 pixels White
£22.30
up to £26.98
3 offers
Siig
Siig JJ-P04621-S7 interface cards/adapter Internal Serial
£86.96
up to £88.41
3 offers
Lenovo
Lenovo USB 3.0 - DVI/VGA USB graphics adapter 2048 x 1152 pixels Black
£76.16
up to £77.43
3 offers
Sapphire
Sapphire PULSE 11324-01-20G graphics card AMD Radeon RX 7600 8 GB GDDR
£359.94
up to £361.64
3 offers
Cables Direct
Cables Direct USB3C-DPCAB-WPD USB graphics adapter 3840 x 2160 pixels White
£28.98
up to £32.26
3 offers
Creative Labs
Creative Labs Sound Blaster AE-7 Internal 5.1 channels PCI-E
£180.36
up to £183.37
3 offers
Pny
PNY VCNRTXA4000-SB graphics card NVIDIA RTX A4000 16 GB GDDR6
£997.61
up to £1192.02
3 offers
Gigabyte
GIGABYTE GeForce RTX 5060 Ti WINDFORCE 8G Graphics Card - 8GB GDDR7. 1
£374.34
up to £524.84
3 offers
Broadcom
Broadcom 9400-8I interface cards/adapter Internal SAS. SATA
£367.34
up to £374.78
3 offers
Nvidia
Nvidia RTX A400 4 GB GDDR6
£157.99
up to £201.87
3 offers
Palit
Palit GeForce RTX 5050 Dual NVIDIA 8 GB GDDR6
£245.95
up to £293.86
3 offers
Pny
PNY GeForce RTX 5070 OC NVIDIA 12 GB GDDR7
£635.10
up to £657.99
3 offers
Sonnet
Sonnet Thunderbolt 3 Upgrade Kit
£225.22
up to £228.97
3 offers