I/O Cards & Adaptors
2,496 productsUpdated March 2026
All (2,496)Audio Cards & Adaptors(199)Graphics Cards & Video Adaptors(798)TV Tuner Cards & Adaptors(110)Riser Cards(786)Computer Interface Cards & Adapters(547)

StarTech.com
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card, PCIe RS232 Serial Card, 16C1050 UART, Low Profile Serial DB9 Controller/Expansion Card, 15kV ESD Protection, Windows Only - TAA
£181.99
up to £188.71
2 offers

Cabledepot
Serial ATA to IDE Adapter
£6.36
2 offers

StarTech.com
StarTech.com 24in Internal USB Motherboard Header to Serial RS232 Adapter
£20.83
up to £23.98
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 24in Internal USB Motherboard Header to 2 Port Serial RS232 Adapter
£62.99
up to £64.66
2 offers

StarTech.com
StarTech.com 24in Internal USB Motherboard Header to Serial RS232 Adap
£20.53
2 offers

ACTi
ACTi 5MP Deep Lerning I
£3014.96
up to £3079.55
2 offers

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

Hewlett Packard Enterprise
HPE ProLiant DL3X5 Gen11 1U x16 Low Profile Secondary Riser Kit
£434.08
up to £438.99
2 offers

Cabledepot
40 Way IDE 2.5" Drive Adapter Cable
£7.08
2 offers

StarTech.com
StarTech.com 2 Port USB to RS232 RS422 RS485 Serial Adapter with COM R
£97.14
2 offers

TVCables
Reverse Polarity SMA Female to SMA Female Adapter
£2.06
2 offers

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

equip
Equip RJ9 to 3.5mm Headset Audio Adapter
£15.04
up to £15.34
3 offers

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

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

Adaptec
Adaptec SmartRAID 3151-4i RAID controller PCI Express x8 3.0 12 Gbit/s
£662.96
up to £676.22
3 offers

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

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

EVE Online: Rifter Ship Skin DLC Key
£1.08
up to £1.34
2 offers

Mitac
MiTAC Y Riser Karte für 2HE M50FCP Slot#1 2x PCIe 5.0 2x SW 2x FHFL x1
£187.31
2 offers

StarTech.com
StarTech.com 4 Port Native PCI Express RS232 Serial Adapter Card with
£93.40
2 offers

Mitac
MiTAC Y Riser Karte für 1HE M50FCP Slot#1 1x PCIe 5.0 LPHL x16/x16
£140.14
2 offers

StarTech.com
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card. PCIe RS232
£186.55
2 offers