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)

MSI
MSI GEFORCE RTX 3050 LP 6G OC graphics card NVIDIA 6 GB GDDR6
£177.05
up to £178.40
2 offers

StarTech.com
StarTech.com Thunderbolt to Dual DisplayPort Adapter DP 1.4, Dual 4K 60Hz or Single 8K/5K Thunderbolt to DP Converter, 2x DisplayPort Monitor Video Display Adapter - Mac & Windows
£47.42
up to £47.98
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

Cabledepot
External SATA PCI-e Card 2-Port
£6.86
2 offers

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

Cabledepot
SATA & IDE PCI Raid Card 1x int 1x ext SATA & 1x IDE
£11.18
2 offers

MSI
MSI GAMING GeForce RTX 5060 TI 16G OC NVIDIA 16 GB GDDR7
£486.96
up to £507.01
2 offers

TVCables
Reverse Polarity SMA Female to SMA Female Adapter
£2.06
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

MSI
MSI VENTUS RTX 3060 TI 2X 8G OC V1 LHR graphics card NVIDIA GeForce RT
£437.52
up to £441.57
2 offers

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

StarTech.com
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Multiport Serial DB9 Controller/Expansion Card, 15kV ESD Protection, Windows Only - TAA
£183.99
up to £188.71
2 offers

StarTech.com
StarTech.com 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention
£95.99
up to £98.30
2 offers

equip
Equip RJ9 to 3.5mm Headset Audio Adapter
£9.90
up to £15.04
3 offers

StarTech.com
StarTech.com 2-Port PCI Express Serial Interface Card. Dual Port PCIe
£59.98
up to £61.18
3 offers

UNIFY
UNIFY O/SCAPE BUS X3R/X5R BASIC V3 MB OCCMBR
£672.46
up to £689.68
3 offers

Inno3d
INNO3D GeForce RTX 5050 TWIN X2 OC NVIDIA 8 GB GDDR6
£335.78
up to £336.99
3 offers

Adaptec
Adaptec SmartRAID 3151-4i RAID controller PCI Express x8 3.0 12 Gbit/s
£662.96
up to £673.42
3 offers

Inno3d
INNO3D GeForce RTX 5070 Ti X3 NVIDIA 16 GB GDDR7
£1040.60
up to £1059.99
3 offers

Inno3d
INNO3D GeForce RTX 5060 Ti TWIN X2 OC NVIDIA 16 GB GDDR7
£621.99
up to £627.84
3 offers

StarTech.com
StarTech.com 2-Port PCI Express Serial Card. Dual Port PCIe to RS232 (
£59.98
up to £61.18
3 offers

StarTech.com
StarTech.com 3 Port Multi Monitor Adapter - DisplayPort 1.4 to 3x 4K D
£43.93
2 offers

Silverstone
Silverstone CPF03 0.3 m
£2.59
2 offers

QNAP
QNAP QXP-T52P interface cards/adapter Internal Thunderbolt
£167.83
2 offers