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

Last Updated - 19/06/2026 Sort By:

Best Choice
StarTech

New
StarTech.com 17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232, USB to RS232 Adapter, Prolific Chipset
MAXIMIZED PORTABILITY: This USB to serial RS232 adapter converts a USB port into an RS232 DB9 serial port; Compatible wi

£17.18
DTECH

New
DTECH 3 Pin USB to TTL Serial 3.3V Adapter Cable TX RX Signal 0.1 inch Pitch Female Socket FT232RL Chip Windows 10 8 7 L
3 ft short USB to TTL serial adapter (with 3 pin 0.1” pitch female header socket) connects devices with 3.3 V logic leve

£8.79
New
CP2102 Module USB to TTL Serial UART STC Download Cable Converter Adapter ESP826
CP2102 Module includes Dupont cables. 576 Byte receive buffer; 640 byte transmit buffer. On chip power-on reset circuit.

£3.59
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
New
SLIMLINE9 Pin Serial RS232 Female to Female Gender Changer ADAPTER Join Cables
9 Pin Serial RS232 Gender Changer, Female to Female Adapter, D9 Connector. D9 female to female slimline gender changer a

£3.69
BENFEI

New
BENFEI USB to Serial Adapter, USB to RS-232 Male (9-pin) DB9 Serial Cable, Prolific Chipset, Windows 11/10/8.1/8/7, Mac
HOW IT WORKS: BENFEI USB to RS232 DB9 Male Serial Adapter is designed for connecting to serial devices such as DB9 equip

£8.99
Best Value
XINXINGDINGSHENG

New
XINXINGDINGSHENG 3 Pcs DB9 Pin Serial Port Adapter Connector Set, Male to Male, Female to Female, M/F Gender Changers, R
【VERSATILE SET】There are multiple choices. Solve your multiple needs at once. Includes 3 adapters: DB9 Male to Male, DB9

£5.39 £5.59
New
HQ USB 2.0 to Serial 9 pin (RS-232) Adapter Cable FTDI Chipset 1m
SKU: 010702 BRAND: NEWLink EAN: 5054338107028 WEIGHT: 0.093.

£14.85 £19.36
DORHEA

New
DORHEA 3Pcs FT232RL FTDI USB 3.3V 5.5V to TTL Serial Adapter Module for Arduino FT232 Pro Mini Type-C USB to TTL 232
The FT232R is a type c to serial UART interface

£7.59 £7.99
New
USB 2.0 to Serial RS-232 RS232 DB9 9 Pin Adaptor Converter Cable Lead Wire A++
1 x RS232 to USB 2.0 Cable for PC. Connect the USB serial cable to the computer's usb interface, it will automatic ident

£3.95
DSD TECH

New
DSD TECH SH-U09C USB to TTL Serial Adapter with FTDI FT232RL Chip Compatible with Windows Mac Linux
DSD TECH: DSD TECH focuses on the development of communication connection devices such as USB/Serial/Wireless. We have s

£11.49
13% Off
Xatgiouy

New
Xatgiouy USB to Serial Adapter, USB to RS232 Adapter, DB9 Male Serial Cable, 9 Pin Port Converter for PC, Mac, Linux, Wi
Reliable Data Transfer: This USB to serial adapter provides a stable connection for serial devices like barcode scanners

£6.99 £7.99
New
USB to Serial RS232 MALE 9 Pin DB9 COM Converter Adapter Cable Windows 7 8 10
USB to standard 9-pin / DB9 serial port. - Supports RS232 serial interface. - Cable Length: 0.8M (approx.).

£3.12
Hailege

New
Hailege 2pcs CP2102 USB 2.0 to TTL UART Serial Converter Module 5Pin STC PRGMR with Dupont Wire
CP2102 USB 2.0 to TTL UART Serial Converter Adapter

£7.49
New
USB to Serial RS232 MALE 9 Pin DB9 COM Converter Adapter Cable Windows 7 8 10
• USB to standard 9-pin / DB9 serial port. • Supports RS232 serial interface. Connector B: Serial (RS-232) Male. Connect

£4.99
QTMMC

New
QTMMC USB to Serial Cable, 1.8M USB to RS232 DB9 9 Pin Converter Cord, Serial Female Adapter Cable with Prolific PL2303
Seamless Connectivity: Effortlessly connect legacy devices with the USB to RS232 DB9 Female Adapter. Compatible with DB9

£6.49
New
USB to TTL Converter PL2303 USB to UART Serial RS232 Adaptor
MPN: PL2303. It emulates COM ports for seamless USB integration without modifying existing software. Connector B: Serial

£4.49
New
USB to Serial RS232 MALE 9 Pin DB9 COM Converter Adapter Cable Windows 7 8 10
USB to standard 9-pin / DB9 serial port. - Supports RS232 serial interface. - Cable Length: 0.8M (approx.).

£2.96
New
UGREEN USB to RS232 DB9 Serial Adapter Cable-Plug and Play for Windows 11/10/8
How It Works:- Ugreen Usb To Rs232 Db9 Serial Adapter Is Designed For Connecting. Through A Usb Port. Connectors:- With

£12.59
New
StarTech Serial Adapters 3ft/90cm USB to RS232 DB9 M/M
StarTech Serial Adapters 3ft/90cm USB to RS232 DB9 M/M

£8.00
New
USB to RS232 Serial Cable Adapter FTDI Chipset DB9 Male LED Indicators 1m UK
FTDI is worth the small premium for professional applications. A: Most modern systems (Windows 10/11, macOS 10.9+, recen

£15.99
New
USB 2.0 to RS232 DB9 Serial Adapter Cable For RS232 DB9 Female 25cm/9.84in
Suitable for IT professionals, engineers, and enthusiasts who require dependable connectivities solution between modern

£6.98
New
RS232 9 Pin Gender Changer MALE to MALE Converter Null Serial Cable Adapter
9 PIN MALE GENDER CHANGER ADAPTER. Professional High Grade Gender Changer Adapter. Mainly used to change a 9 pin Male Fe

£2.95
New
9 pin serial female to 25 pin female adapter
9 pin female to 25 pin female serial adapter, all nine pins are connected to certain pins on the 25 pin connector.

£5.29
New
9 Pin Male to Female RS232 DB9 Serial Extension Cable PC Converter Adaptor UK
1x RS232 Serial Cable DB9 Male to Female 9Pin Adaptor. ✔️ DB9 male to female adapter extender equipped with screws on ea

£5.14

25 Serial Adapters deals are available from: Amazon, eBay stores, starting from £2.95.
The biggest discount we found is 13% on Xatgiouy USB to Serial Adapter, USB to RS232 Adapter, DB9 Male Serial Cable, 9 Pin Port Converter for PC, Mac, Linux, Windows 11/10/8/7, RS232 Devices Barcode Scanners Modems GPS, Plug and Play, 0.8M at Amazon.
The lowest price we found is £2.95 while the highest is £17.18.
Prices for the best Serial Adapters deals average at £7.64.
Last updated on June 19, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Serial Adapters.