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

Last Updated - 09/05/2026 Sort By:

Best Choice
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
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
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

£4.95
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
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

£6.88
OIKWAN

New
OIKWAN USB to RS232, USB Serial Adapter with FTDI Chipset,USB 2.0 to Male DB9 Serial Cable for Windows 11,10, 8, 7, Vist
Wide range of applications: USB to RS232 DB9 male serial adapter can work with your Windows (10 / 8.1 / 8 / 7 / Vista /

£11.99
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

£5.99
New
Gender Changer 9 pin Female to F Serial RS232 Adapter Coupler DB9
SKU: 000392 BRAND: kenable EAN: 5055383403929 WEIGHT: 0.01.

£3.70 £3.71
18% Off
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 to connect to,

£14.52 £17.73
New
Metal 9 Pin Serial RS232 Adapter Male to Male Coupler Gender Changer SLIMLINE
D9 male to male slimline gender changer allows you to change the gender from a female port to a male port. Convert femal

£3.69
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
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
StarTech Serial Adapters 3ft/90cm USB to RS232 DB9 M/M
StarTech Serial Adapters 3ft/90cm USB to RS232 DB9 M/M

£8.00
DORHEA

New
DORHEA 2Pcs FT232RL FTDI USB 3.3V 5.5V to TTL Serial Adapter Module for Arduino FT232 Pro Mini Port Type-C USB to TTL 23
The FT232R is a type c to serial UART interface

£5.99
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
DTech

New
DTech USB to RS232 DB9 Female Serial Adapter Cable Supports Windows 11 10, 8, 7, Mac, Linux (1.8m)
USB to serial female adapter cable allows any PC to connect serial devices and programs that communicate through COM por

£13.29
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
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
New
USB 2.0 Male to RS232 Female DB9 Serial Cable Adapter Converter With PL2303 Chip
USB 2.0 to RS232 Female DB9 Serial Cable, Connect USB Port on your Computer to your RS232 DP 9Pin Devices. If your RS232

£11.63
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
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
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
DB9F TO DB25M SERIAL PORT ADAPTER RS232 9 PIN FEMALE 25 PIN MALE CONVERTER VID1

£3.45
New
Serial Adapter USB 2.0 Male To RS232 Female DB9 Serial Converter Cable 9 Pin
DB9 cable to USB adapter is designed for connecting devices. Adapter Cable: USB to Converter is providing USB and RS-232

£7.55
New
SABRENT Serial Cable to USB, 9 Pin USB Serial Adapter, DB 9 RS232 Female Convert
Sabrent USB 2.0 to Serial (9-Pin) DB-9 RS-232 Converter Cable (CB-DB9P).

£7.98

25 Serial Adapters deals are available from: Amazon, eBay stores, starting from £2.95.
The biggest discount we found is 18% on StarTech.com 17in (43cm) 1-Port USB to Serial Adapter Cable, USB-A to DB9 RS232, USB to RS232 Adapter, Prolific Chipset - M/M at Amazon.
The lowest price we found is £2.95 while the highest is £14.85.
Prices for the best Serial Adapters deals average at £7.61.
Last updated on May 9, 2026.
We scanned these quality online stores and more to deliver you with the best offers online available for Serial Adapters.