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I/O Cards & Adaptors

3,051 productsUpdated August 2026
All (3,051)Audio Cards & Adaptors(906)Graphics Cards & Video Adaptors(208)TV Tuner Cards & Adaptors(1,344)Riser Cards(192)Computer Interface Cards & Adapters(442)
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StarTech.com 2 Port ISA RS232 Serial Adapter Card with 16550 UART

StarTech.com

StarTech.com 2 Port ISA RS232 Serial Adapter Card with 16550 UART

£38.08

Microchip Technology HBA 1100-8I interface cards/adapter Internal Mini

MICROCHIP TECHNOLOGY

Microchip Technology HBA 1100-8I interface cards/adapter Internal Mini

£265.22

up to £267.23

2 offers
Toshiba 2505AC/3515AC/3005AC Gear 04H 29 9 Mix 6LK48905000

Toshiba

Toshiba 2505AC/3515AC/3005AC Gear 04H 29 9 Mix 6LK48905000

£16.30

Eizo XN72 Cards MED-XN72-W

Eizo

Eizo XN72 Cards MED-XN72-W

£568.92

Radxa ROCK 5 8K Single ord

Radxa

Radxa ROCK 5 8K Single ord

£37.25

NEC SV9100 8 PORT DIG EXT CARD

NEC

NEC SV9100 8 PORT DIG EXT CARD

£122.51

RA Technology RA-CPL - RA Column Joining Coupling. Used To Join Length

RA Technology

RA Technology RA-CPL - RA Column Joining Coupling. Used To Join Length

£25.57

Brainboxes US-346 serial server RS-422/485

Brainboxes

Brainboxes US-346 serial server RS-422/485

£248.05

NXP MIFARE® DESFire® 8K NXP EV3 Cards (Pack of 100)

NXP

NXP MIFARE® DESFire® 8K NXP EV3 Cards (Pack of 100)

£157.45

ASUS R1P-D RISER SPONGE-1

Asus

ASUS R1P-D RISER SPONGE-1

£12.87

Lenovo CARDPOP IO board C 83FW

Lenovo

Lenovo CARDPOP IO board C 83FW

£40.57

ASUS IO/KM/RF24/GRY/UK

Asus

ASUS IO/KM/RF24/GRY/UK

£52.53

ssupd PCIe 3.0 Riser Cable - 18CM Length

ssupd

ssupd PCIe 3.0 Riser Cable - 18CM Length

£27.71

up to £28.26

4 offers
AudioCodes ACTS24X7-M1K_S22/YR SUPPORT

AudioCodes

AudioCodes ACTS24X7-M1K_S22/YR SUPPORT

£221.53

Brainboxes Universal Dual Velocity RS422/485 & RS232 card interfac

Brainboxes

Brainboxes Universal Dual Velocity RS422/485 & RS232 card interfac

£169.21

ASUS MCIO 124P O MCIO 124P L350

Asus

ASUS MCIO 124P O MCIO 124P L350

£76.12

ASUS HEDER 1X5P S/ 2.54mm.DIP K

Asus

ASUS HEDER 1X5P S/ 2.54mm.DIP K

£12.87

Lenovo CRDPOP PCIe inposer for Rf

Lenovo

Lenovo CRDPOP PCIe inposer for Rf

£80.08

Acer HERML MODULE FOR VIPOM 35W

Acer

Acer HERML MODULE FOR VIPOM 35W

£29.12

StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232

StarTech.com

StarTech.com 4-port PCI Express RS232 Serial Adapter Card - PCIe RS232

£81.77

RTI programming cable for T2x. T3x. T2i (USB-A to 10-pin connector. 2m

RTI

RTI programming cable for T2x. T3x. T2i (USB-A to 10-pin connector. 2m

£33.18

DELL 540-BDRP interface cards/adapter Internal Fiber

Dell

DELL 540-BDRP interface cards/adapter Internal Fiber

£2293.37

INNO3D iChill GeForce RTX 5080 X3 V2 NVIDIA 16 GB GDDR7

Inno3d

INNO3D iChill GeForce RTX 5080 X3 V2 NVIDIA 16 GB GDDR7

£1668.18

Lenovo CRDPOP PCIe x 8 riser crd re

Lenovo

Lenovo CRDPOP PCIe x 8 riser crd re

£49.87