Best Serial Cables Deals Online in the UK (25 Deals Found)

Last Updated - 01/02/2026 Sort By:

Best Choice
StarTech

New
StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 2 me
2m 656ft

£5.69 £5.87
Best Value
StarTech

New
StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable
1x DB9 Serial (male) connector

£9.99
New
USB to RS232 Serial DB9 9 Pin COM Port Adapter Cable for Windows 7 10
Support the RS232 Serial interface. Transfer your RS232 device to a USB device. Colour: Blue. Support automatic handshak

£3.95
StarTech

Used
StarTech.com 3m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable
1x DB9 Serial (male) connector

£5.77
New
(read Description) C-tec XFP Programming Cable Rs232 DB9 serial
Couriers used are Royal Mail and inpost due to having a issue with Evri loosing a similar programming lead Programming l

£26.70
StarTech

New
StarTech.com 2m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable
1x DB9 Serial (male) connector

£7.48
StarTech

New
1m DB9 RS232
SERIAL EXTENSION CABLE: DB9 Serial male to female cable allows you to extend the reach of your serial devices by up to 1

£5.42
New
USB 2.0 to Serial RS-232 RS232 DB9 9 Pin Adaptor Converter Cable Lead Wire A+ UK
✔️ Convert USB to Serial Ports Eff ortlessly transform your USB ports into rs232 db9 serial ports with the Clydewy USB t

£6.31
17% Off
UGREEN

New
UGREEN USB Serial Cable USB to RS232 DB9 9 pin Converter Cable for Connecting Cisco Routers and Switches, Celestron Tele
How It Works: UGREEN USB to RS232 DB9 serial adapter is designed for connecting to serial devices such as DB9-equipped s

£9.99 £11.99
New
9 PIN MALE TO FEMALE RS232 STRAIGHT SERIAL D-SUB EXTENSION CABLE DB9 LEAD UK
1x RS232 Serial Cable DB9 Male to Female 9Pin Adaptor. ✔️ DB9 male to female adapter extender equipped with screws on ea

£13.95
UGREEN

New
UGREEN USB Serial Cable USB to RS232 DB9 9 pin Converter Cable for Connecting Cisco Routers and Switches, Celestron Tele
How It Works: UGREEN USB to RS232 DB9 serial adapter is designed for connecting to serial devices such as DB9-equipped s

£11.99
DTECH

New
DTECH DB9 to DB9 RS232 Serial Cable Male to Male For Computer Monitor Printer Extension Straight Through Cord（1.5m）
Simple zero modem cable (3-wire type, no hardware handshake) to connect the computer to a device with a COM port RS-232

£9.99
New
9 Pin RS232 Straight Serial Null Modem Male and Female Data Computer PC Cable
9 Pin RS232 Cables. Connector A: 9 Pin RS232. Connector B:9 Pin RS232. RCA Phono Male to Male. A choice of 9 Pin Straigh

£12.95
16% Off
StarTech

New
StarTech.com 6ft (1.8m) 1-Port FTDI USB to Serial RS232 Adapter Cable with COM Retention, USB to RS232 Adapter - TAA
MULTI-USE FUNCTIONALITY: This versatile USB to serial RS232 adapter is perfect for a range of applications, from digital

£33.09 £39.59
New
Serial Extension Cable / 3 Metre / 9 Pin Male to 9 pin Female
Connections: 9 Pin Male to 9 Pin Female. Serial 9 Pin Extension Cable. Type: Serial. Condition: New.

£4.50
DTech

New
DTech 9 Pin Serial Cable COM Port Male to Male RS232 Straight Through DB9 Data Cord (0.5 Meter, Black)
(NOT VGA-cable for computer to monitor) 9 pin serial port adapter cable connects your computer to device with RS-232 com

£6.99
New
Blue 1.8M USB TO RJ45 Serial Console Cable Express Net Cable for Cisco Routers
Featuring a PL2303 chip, this cable provides stable, fast, and interference-free data transmission — perfect for IT prof

£4.62
New
ASUS Locking SATA Cables 6Gbps Serial Hard Drive 40cm DATA Leads [2 Pack] Black
SKU: 011755 BRAND: EAN: 5054338117553 WEIGHT: 0.028.

£4.32 £5.06
New
Blue 1.8M USB TO RJ45 Serial Console Cable Express Net Cable for Cisco Routers
1 X USB to RJ45 Cable. Color: blue. Note: Light shooting and different displays may cause the color of the item in the p

£3.99
New
Serial RS232 Cable DB25 Male to Male Fully Wired all Pins Connected DB 25 2m PC
25-pin DB25 Male to Male. Length: 2m. 2m 3m 5m 7m 10m. Fully wired. All pins connected. D Sub Cable.

£6.99
New
1 Metre 9 Pin Null Modem Cable Lead Plug RS232 DB9 Serial Comm NEW

£1.99
Used
Vintage PC Computer 1980s Serial Cables RS232 9 25 pin gender changers patch
Collection from my days as a computer engineer in the 1980s. These were mainly used for getting printers to work. Patch

£9.97
New
USB to RS232 Serial DB9 9 Pin Adapter Cable 1.5m for Window 11 10 7 COM Port PLC
Serial Side: Features anRS-232 DB9 (D-Sub 9-pin) Male Connector. This product is a crucial connectivity solution designe

£5.99
New
17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232 | NEW
NEW! The 17in (43cm) 1-Port USB to Serial Adapter Cable by StarTech is a versatile accessory for mobile phones and commu

£12.39
New
RS232 DB9 9 Pin Female to USB 2.0 A Male PLC Serial Cable 1.8m
1 x 1.8m RS232 DB9 9 Pin Female to USB 2.0 A Male PLC Serial Cable for Vigor VB VH. Connector B: DB9 9Pin Female. Connec

£7.95

25 Serial Cables deals are available from: Amazon, eBay stores, starting from £1.99.
The biggest discount we found is 17% on UGREEN USB Serial Cable USB to RS232 DB9 9 pin Converter Cable for Connecting Cisco Routers and Switches, Celestron Telescope Nexstar hand Controller, Extron Crestron Products with PL2303 Chipset (1m) at Amazon.
The lowest price we found is £1.99 while the highest is £33.09.
Prices for the best Serial Cables deals average at £9.32.
Last updated on February 1, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Serial Cables.