Business Interface Card Deals - Firewire, Serial and USB adapters

Buy Products

Brand

Sector

Solutions

Basket

Account

StarTech.com 8-Port USB to Serial Adapter

£332.34

StarTech.com 16-Port PCIe Serial Card

£289.08

StarTech.com 4-Port USB to Serial Adapter

£207.06

StarTech.com 4-Port USB-C 10Gb PCIe Card

£200.08

Page 1 2 3 4 next 82 products found, displaying 1 - 25
StarTech.com 2-Port PCI Express Serial Card Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEX2S1050 \| quicklinx: CPBVWS00 Type: Serial adapter Compatibility: PC, Unix Interface: PCI Express x1 Stock Status: In Stock	In Stock	£39.39
StarTech.com 2 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter with UASP - SATA Power Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEXUSB3S24 \| quicklinx: 9C4HWS00 Type: USB adapter Compatibility: PC Interface: PCI Express x1 Stock Status: In Stock	In Stock	£19.21
StarTech.com 16-Port PCIe Serial Card Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEX16S550LP \| quicklinx: CVR8WS00 Type: Expansion module Compatibility: PC Interface: PCI Express 1.1 x1 Stock Status: In Stock	In Stock	£289.08
StarTech.com 7 Port PCI USB Card Adapter Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PCIUSB7 \| quicklinx: 6LD1WS00 Type: USB adapter Compatibility: PC Interface: PCI Stock Status: In Stock	In Stock	£16.11
StarTech.com 4-Port USB-C 10Gb PCIe Card Don’t know what you need? Find it with the ConXit Wizard! Mfr#: P10Q4C-USB-CARD \| quicklinx: J7YKWS00 Stock Status: In Stock	In Stock	£196.98
StarTech.com 2 Port ExpressCard SuperSpeed USB 3.0 Card Adapter with UASP Support Don’t know what you need? Find it with the ConXit Wizard! Mfr#: ECUSB3S22 \| quicklinx: 7W8DWS00 Type: USB adapter Compatibility: PC Interface: ExpressCard/34 Stock Status: In Stock	In Stock	£20.74
StarTech.com PCI Express to Mini PCI Express Card Adapter Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEX2MPEX \| quicklinx: 7WZ4WS00 Type: PCI Adapter Compatibility: PC Interface: PCI Express Stock Status: In Stock	In Stock	£27.21
StarTech.com 4 Port USB to Serial Hub Don’t know what you need? Find it with the ConXit Wizard! Mfr#: ICUSB2324 \| quicklinx: CFQZWS00 Type: Serial adapter Compatibility: PC, Mac Interface: USB Stock Status: In Stock	In Stock	£76.59
StarTech.com 1-Port USB 3.2 Gen 2x2 PCIe Card - USB-C SuperSpeed 20Gbps PCI Express 3.0 x4 Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEXUSB321C \| quicklinx: G59YWS00 Type: USB adapter Compatibility: PC Interface: PCI Express 3.0 x4 Stock Status: In Stock	In Stock	£39.65
StarTech.com 1 ft USB to RS232 Serial DB9 Adapter Cable with COM Retention Don’t know what you need? Find it with the ConXit Wizard! Mfr#: ICUSB232PRO \| quicklinx: 4JDTWS00 Type: Serial adapter Compatibility: Mac, PC Interface: USB Stock Status: In Stock	In Stock	£21.54
StarTech.com 3 Port PCIe USB 3.0 Card + GbE Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEXUSB3S3GE \| quicklinx: BCN8WS00 Type: Network / USB adapter Compatibility: PC Interface: PCI Express 2.0 x1 Stock Status: In Stock	In Stock	£41.61
StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEX4S232485 \| quicklinx: 8GTPWS00 Type: Serial adapter Compatibility: PC Interface: PCI Express x1 Stock Status: In Stock	In Stock	£109.55
StarTech.com 4 Port PCI Express PCIe SuperSpeed USB 3.0 Controller Card Adapter with UASP Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEXUSB3S4V \| quicklinx: 8D57WS00 Type: USB adapter Compatibility: PC Interface: PCI Express x1 Stock Status: In Stock	In Stock	£34.16
StarTech.com 4 Port PCIe USB 3.0 Card Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEXUSB3S42 \| quicklinx: B9GDWS00 Type: USB adapter Compatibility: PC Interface: PCI Express 2.0 x1 Stock Status: In Stock	In Stock	£23.56
StarTech.com 7 Port PCIe USB 3.0 Card Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEXUSB3S7 \| quicklinx: B7YKWS00 Type: USB adapter Compatibility: PC, Unix Interface: PCI Express 2.0 x1 Stock Status: In Stock	In Stock	£55.34
StarTech.com 2 Port PCI Express SATA 6 Gbps eSATA Controller Card - 2 Int/2 Ext Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEXESAT322I \| quicklinx: 89Z0WS00 Type: Storage Controller Compatibility: PC Interface: PCI Express Stock Status: In Stock	In Stock	£27.25
StarTech.com 4-Port USB-C 10Gb PCIe Card Don’t know what you need? Find it with the ConXit Wizard! Mfr#: P10Q4C-USB-CARD-LP \| quicklinx: J7YTWS00 Stock Status: In Stock	In Stock	£200.08
StarTech.com 4 Port PCIe USB 3.0 Card Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEXUSB3S2EI \| quicklinx: B7YLWS00 Type: USB adapter Compatibility: PC Interface: PCI Express 2.0 x1 Stock Status: In Stock	In Stock	£26.95
StarTech.com 8-Port PCI Express RS232 Serial Adapter Card - PCIe - 15kV ESD Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEX8S1050 \| quicklinx: G11FWS00 Type: Serial adapter Compatibility: PC Interface: PCI Express Stock Status: In Stock	In Stock	£151.41
StarTech.com 5-Port USB PCIe Card, 10Gbps Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PS4C3IA3-USB-C-CARD \| quicklinx: HVMJWS00 Stock Status: In Stock	In Stock	£55.27
StarTech.com 4 Port PCI Express (PCIe) SuperSpeed USB 3.0 Card Adapter w/ 2 Dedicated 5Gbps Channels Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEXUSB3S42V \| quicklinx: 964GWS00 Type: USB adapter Compatibility: PC Interface: PCI Express x4 Stock Status: In Stock	In Stock	£51.61
StarTech.com PCI Express to PCI Adapter Card Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEX1PCI1 \| quicklinx: 67CMWS00 Type: PCIe adapter Compatibility: PC Interface: PCI Express Stock Status: In Stock	In Stock	£34.40
StarTech.com 3PT M.2 SSD Card - PCIe 3.0 Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEXM2SAT32N1 \| quicklinx: C9WZWS00 Type: Interface Adapter Compatibility: Mac, PC Interface: PCI Express Stock Status: In Stock	In Stock	£28.29
StarTech.com U.3 to PCIe Adapter Card Don’t know what you need? Find it with the ConXit Wizard! Mfr#: PEX4SFF8639U3 \| quicklinx: HDGDWS00 Type: USB adapter Compatibility: PC Interface: [N/A] Stock Status: In Stock	In Stock	£32.58
StarTech.com 8 Port USB to DB9 RS232 Serial Adapter Hub – Industrial DIN Rail and Wall Mountable Don’t know what you need? Find it with the ConXit Wizard! Mfr#: ICUSB2328I \| quicklinx: 8FHYWS00 Type: Serial adapter Compatibility: PC, Mac Interface: USB 2.0 Stock Status: In Stock	In Stock	£144.33

Find the latest offers on interface cards for your company at BT Business Direct. Not all computers come with the right amount of ports or may not have the one you need for your work. With easy to install interface cards you can expand your computer's options affordably. Click to read more/hide.

Refine your search

Keep up to date with industry new on LinkedIn

Site Information

Delivery & Returns

Service & Support

Contact Us

Get in touch
For Customer Service email:
btbweb@bt.com
For Business sales email:
btbd.sales@bt.com
For Public Sector sales email:
Btbd.publicsector@bt.com

Follow us on social media
©BT2026

Jabra Engage Convertible Headset, incl Earhook accessory pack Quicklinx:DJNWWS00 \| Mfr#:14401-19	£133.20 ex VAT	Quantity to buy of Jabra Engage Convertible Headset, incl Earhook accessory pack
APC Metered Rack 12A 1U C13x8 Power Distribution Unit Quicklinx:F50MWS00 \| Mfr#:AP7820B	£472.06 ex VAT	Quantity to buy of APC Metered Rack 12A 1U C13x8 Power Distribution Unit
HPE Foundation Care Next Business Day Exchange Extended Service Agreement 3 Years Quicklinx:CRXCWS00 \| Mfr#:H5ZP3E	£14.97 ex VAT	Quantity to buy of HPE Foundation Care Next Business Day Exchange Extended Service Agreement 3 Years
StarTech.com Monitor Arm - Heavy Duty Quicklinx:CRY1WS00 \| Mfr#:ARMPIVOTHD	£93.15 ex VAT	Quantity to buy of StarTech.com Monitor Arm - Heavy Duty
OtterBox Defender Series Case for iPhone 15/14 Plus - Black Quicklinx:JBF5WS00 \| Mfr#:77-92542	£20.20 ex VAT	Quantity to buy of OtterBox Defender Series Case for iPhone 15/14 Plus - Black

Interface cards

Refine your search

Type

Serial adapter (28)

USB adapter (22)

FireWire adapter (5)

Interface Adapter (3)

Parallel adapter (3)

Storage Controller (3)

Expansion module (2)

Video Adapter (2)

Network / USB adapter (1)

None (1)

More...

Compatibility

PC (75)

Mac (20)

Unix (3)

Interface

PCI Express (29)

USB 2.0 (9)

USB (8)

[N/A] (7)

ExpressCard (6)

PCI (5)

PCI Express 3.0 x4 (3)

PCI Express 1.1 x1 (2)

PCI Express 2.0 (2)

PCI Express x4 (2)

More...

Brand

StarTech.com (77)

HP (3)

Cisco (1)

Stock Status

In Stock (59)

Price Range Ex VAT

£0 - £50 (56)

£50 - £100 (12)

£100 - £150 (5)

£150 - £300 (6)

£300 - £500 (2)

£1500+ (1)

Recently viewed products

Site Information

Delivery & Returns

Service & Support

Contact Us