£11.99

UGREEN USB to RS232 DB9 Serial Converter Cable - 1m

Black, 20210

Price data checked 3 days ago

View at Amazon

We'll watch every seller, every day. One email when your price arrives.

This is the most expensive it has ever been. Walk away.

£12 today · previous high £12 · all-time low £10

NEW HERE?

Amazon shows you one price. We show you all of them.

Tosheroon watches Amazon prices so you don't have to. Every product on Amazon has a price history — we make it visible. Set the price you'd actually pay, and we'll email you the second it gets there. No app, no account, one email.

WHAT'S ON THIS PAGE

↓ Price chart
when this has been cheap or pricey
↓ Forecast
where the price is heading next
↓ Statistics
all-time high & low, recent range
↑ Price alert
name your number, we'll email you

Price History & Forecast

Grey patches = out of stock. Cheaper = lower on the chart. Hover for exact prices.

Last 88 days • 88 data points

Historical
Generating forecast...
£11.99 £9.31 £9.89 £10.48 £11.06 £11.65 £12.23 22 February 2026 15 March 2026 06 April 2026 28 April 2026 20 May 2026

Price Distribution

Price distribution over 88 days • 2 price levels

Days at Price
Current Price
43 days 45 days · current 0 11 23 34 45 £9.55 £12 Days at Price

Price Analysis

Most common price: £12 (45 days, 51.1%)

Price range: £9.55 - £12

Price levels: 2 different prices over 88 days

Description

Connect your modern computer to legacy serial devices with ease using the UGREEN USB to RS232 DB9 converter cable. This 1-meter cable uses a reliable PL2303 chipset to bridge the gap between USB ports and DB9-equipped hardware. It is an ideal solution for professionals managing network infrastructure or hobbyists using specialized equipment. Whether you need to configure Cisco routers and switches, manage Extron or Crestron products, or operate a Celestron Nexstar telescope hand controller, this adapter provides a stable connection. It supports a variety of devices including digital cameras, bar-code scanners, label writers, and more. Designed for versatility, this cable works across multiple operating systems. It offers driver-free installation for Windows 8 and above, while providing support for Windows 7, XP, macOS, and Linux via included drivers. Experience reliable data transmission for your technical and industrial hardware needs.

Key Features

Versatile device connectivity for Cisco routers, switches, and Celestron Nexstar telescope controllers.

Compatible with a wide range of hardware including Extron, Crestron, digital cameras, and bar-code scanners.

High-speed data transfer with a 1Mbps rate for efficient communication between USB and serial ports.

Wide system compatibility including Windows 11, 10, 8, 7, XP, Vista, macOS, and Linux.

Easy setup with driver-free functionality for Windows 8 and newer operating systems.

Reliable performance powered by the integrated PL2303 chipset for stable serial connections.

Product Specifications

Brand
UGREEN
Model
20210
Colour
Black
Size
1 Meter
Domain
Amazon UK
Listed Since
08 February 2015

Barcode

No barcode data available

Similar Products You Might Like

UGREEN USB to RS232 DB9 Serial Cable - 3m PL2303 Chipset
98% match

UGREEN USB to RS232 DB9 Serial Cable - 3m PL2303 Chipset

UGREEN

£15.99 19 May 2026
DIGITUS USB to 4x serial adapter - RS232 converter - USB 2.0 Type-A to 4x DSUB 9M - FTDI chipset - 1.5m connection cable
98% match

DIGITUS USB to 4x serial adapter - RS232 converter - USB 2.0 Type-A to 4x DSUB 9M - FTDI chipset - 1.5m connection cable

Digitus

£61.40 05 May 2026
DTECH 5ft RS232 Serial Cable Male to Female 9 Pin Straight Through (1.5m,Black)
98% match

DTECH 5ft RS232 Serial Cable Male to Female 9 Pin Straight Through (1.5m,Black)

DTECH

£9.29 29 Jan 2026
https://tosheroon.com/uk/3031383133
98% match

https://tosheroon.com/uk/3031383133

UGREEN

£11.02 07 Feb 2026
SABRENT Serial Cable to USB, 9 Pin USB Serial Adapter, DB 9 RS232 Female Converter, For Printers, Servers, Windows Mac [-NOT a display cable-] 0.85m (CB-DB9P)
97% match

SABRENT Serial Cable to USB, 9 Pin USB Serial Adapter, DB 9 RS232 Female Converter, For Printers, Servers, Windows Mac [-NOT a display cable-] 0.85m (CB-DB9P)

SABRENT

£8.45 31 Jan 2026
SABRENT USB Serial Cable, USB to RS232 DB9 Converter Cable, compatible with routers, switches, CNC machines, PLCs, printers, surveillance cameras, barcode scanners, ECG machines etc. (CB-9PTF)
97% match

SABRENT USB Serial Cable, USB to RS232 DB9 Converter Cable, compatible with routers, switches, CNC machines, PLCs, printers, surveillance cameras, barcode scanners, ECG machines etc. (CB-9PTF)

SABRENT

£12.74 01 Feb 2026
StarTech.com USB to Serial Adapter - 1 port - USB Powered - Black & 2m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1002MBK)
97% match

StarTech.com USB to Serial Adapter - 1 port - USB Powered - Black & 2m Black Straight Through DB9 RS232 Serial Cable - DB9 RS232 Serial Extension Cable - Male to Female Cable (MXT1002MBK)

StarTech.com

Out of Stock 03 May 2026
StarTech.com 8 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub, TAA (ICUSB2328I)
97% match

StarTech.com 8 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub, TAA (ICUSB2328I)

StarTech

£168.48 18 Feb 2026
https://www.amazon.co.uk/dp/B0B1VPNZTZ/ref=nosim?tag=tosheroon-21
97% match

https://www.amazon.co.uk/dp/B0B1VPNZTZ/ref=nosim?tag=tosheroon-21

Avico

£33.73 31 Jan 2026
StarTech.com 3ft (1m) USB to Serial Cable with COM Port Retention, DB9 Male RS232 to USB Converter, USB to Serial Adapter for PLC/Printer/Scanner, Prolific Chipset, Windows/Mac
97% match

StarTech.com 3ft (1m) USB to Serial Cable with COM Port Retention, DB9 Male RS232 to USB Converter, USB to Serial Adapter for PLC/Printer/Scanner, Prolific Chipset, Windows/Mac

StarTech

£26.63 12 Jan 2026
BENFEI USB to Serial Adapter 6ft USB to RS-232 Female DB9 Prolific Chipset Serial Cable Windows 10/8.1/8/7, Mac OS X 10.6 and later
97% match

BENFEI USB to Serial Adapter 6ft USB to RS-232 Female DB9 Prolific Chipset Serial Cable Windows 10/8.1/8/7, Mac OS X 10.6 and later

BENFEI

£8.49 14 Feb 2026
STARTECH.COM ICUSB2321F - 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention 1 Port USB to Serial Cable
97% match

STARTECH.COM ICUSB2321F - 1 Port FTDI USB to Serial RS232 Adapter Cable with COM Retention 1 Port USB to Serial Cable

StarTech

£43.79 23 Apr 2026
StarTech USB to Serial RS232 Adapter - USB-A to DB9 Cable
97% match

StarTech USB to Serial RS232 Adapter - USB-A to DB9 Cable

StarTech

£17.18 18 Mar 2026
StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub, TAA (ICUSB2324I)
97% match

StarTech.com 4 Port USB to Serial RS232 Adapter - Wall Mount - Din Rail - COM Port Retention - FTDI USB to DB9 RS232 Hub, TAA (ICUSB2324I)

StarTech

£98.05 17 Mar 2026
StarTech.com 4-Port Serial to Ethernet Adapter, IP Serial Device Server For Remote RS232 Devices, Wall/DIN Rail, LAN to DB9
97% match

StarTech.com 4-Port Serial to Ethernet Adapter, IP Serial Device Server For Remote RS232 Devices, Wall/DIN Rail, LAN to DB9

StarTech

£352.51 12 Jan 2026
EX-6111-2 1 Ethernet to 1 Serial RS-232, Power Included
97% match

EX-6111-2 1 Ethernet to 1 Serial RS-232, Power Included

EXSYS

Out of Stock 12 Jan 2026
StarTech 8-Port PCIe RS232 Card - Low Profile, 15kV ESD, Windows
97% match

StarTech 8-Port PCIe RS232 Card - Low Profile, 15kV ESD, Windows

StarTech

£175.99 08 Feb 2026
StarTech.com 1-Port Serial to Ethernet Adapter, IP Serial Device Server For Remote RS232 Devices, Wall/DIN Rail, LAN to DB9
97% match

StarTech.com 1-Port Serial to Ethernet Adapter, IP Serial Device Server For Remote RS232 Devices, Wall/DIN Rail, LAN to DB9

StarTech

£157.68 13 Jan 2026
LINDY USB to Serial Adapter - 9 Way (RS-485) 1m
97% match

LINDY USB to Serial Adapter - 9 Way (RS-485) 1m

LINDY

£46.77 08 Jan 2026
StarTech.com 4 Port Serial Hub USB to RS232/RS485/RS422 Adapter - USB 2.0 to DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable Metal Serial Hub - 15kV ESD Protection (ICUSB234854I)
97% match

StarTech.com 4 Port Serial Hub USB to RS232/RS485/RS422 Adapter - USB 2.0 to DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable Metal Serial Hub - 15kV ESD Protection (ICUSB234854I)

StarTech

£251.01 11 Dec 2025
USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial (ICUSB2324852)
97% match

USB to Serial Adapter - 2 Port - RS232 RS422 RS485 - COM Port Retention - FTDI USB to Serial Adapter - USB Serial (ICUSB2324852)

StarTech

£88.99 12 Jan 2026
StarTech USB C to RS232 DB9 Serial Adapter Cable - ICUSB232C
97% match

StarTech USB C to RS232 DB9 Serial Adapter Cable - ICUSB232C

StarTech

£19.73 14 May 2026
EXSYS EX-1303 USB 2.0 to 1 x Serial RS-232/422/485 and TTL Cable with 18 Pin Terminal Block
97% match

EXSYS EX-1303 USB 2.0 to 1 x Serial RS-232/422/485 and TTL Cable with 18 Pin Terminal Block

EXSYS

£42.49 08 Jan 2026
LINDY USB to Serial Adapter - 9 Way (RS-422) 1m
97% match

LINDY USB to Serial Adapter - 9 Way (RS-422) 1m

LINDY

£38.68 08 Jan 2026