Best StarTech.com Serial Cables of 2025

Kenneth Collin Avatar
Kenneth Collin
Last Updated: 31 Jan 2025

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Serial cables are an essential component of any computer system, connecting devices such as modems, printers, and routers to computers. StarTech.com offers a range of high-quality serial cables that are designed to provide reliable connectivity and fast data transfer rates. These cables are made with durable materials and come in various lengths to meet your needs. Whether you need a cable for home or office use, StarTech.com's serial cables are an excellent choice to ensure your devices work seamlessly together.

At a Glance: Our Top Picks

StarTech.com 2m Black DB9 Female to Female Cable Cover #TOP 1
StarTech.com 2m Black DB9 Female to Female Cable
ftb score rating icon 9.9
StarTech 10 ft Serial Extension Cable - M/F Cover #TOP 2
StarTech 10 ft Serial Extension Cable - M/F
ftb score rating icon 9.8
StarTech.com 2m Black DB9 RS232 Cable Cover #TOP 3
StarTech.com 2m Black DB9 RS232 Cable
ftb score rating icon 9.6

Top 10 StarTech.com Serial Cables

StarTech.com 2m Black DB9 Female to Female Cable

SCNM9FF2MBK
Black
6 ft/2 m
StarTech.com 2m Black DB9 Female to Female Cable Cover
StarTech.com 2m Black DB9 RS232 Serial Null Modem Cable F/F - DB9 Female to Female - 9 pin RS232 Null Modem Cable - 2 meter, Black (SCNM9FF2MBK)

The StarTech.com DB9 Null Modem Cable is a 2-metre black cable designed for connecting your serial devices efficiently. With its female-to-female configuration, you can easily transfer files between devices. The high-quality shielding effectively prevents electromagnetic interference, ensuring a stable connection. This means you can enjoy reliable data transmission without interruptions, making your tasks smoother and more efficient.

What We Like
High-quality shielding
2-metre length
Female-to-female configuration
Prevents EMI interference
#TOP 2

StarTech 10 ft Serial Extension Cable - M/F

MXT10010
Gray
10 ft/3 m
StarTech 10 ft Serial Extension Cable - M/F Cover
StarTech.com 10 ft Straight Through Serial Cable - M/F - Serial extension cable - DB-9 (M) to DB-9 (F) - 10 ft - gray (MXT10010)

The StarTech Serial Extension Cable is a versatile 10 ft cable that connects devices with DB-9 connectors. The male-to-female design allows you to extend your serial connection, making it ideal for reaching devices that are further apart. Its grey colour ensures that it blends well in various settings. With this cable, you can organise your workspace better by positioning your devices without the limitations of short cables.

What We Like
Long 10 ft length
Male-to-female connection
Compatible with DB-9 connectors
Convenient grey colour

StarTech.com 2m Black DB9 RS232 Cable

SCNM9FM2MBK
Black
2 Meters
StarTech.com 2m Black DB9 RS232 Cable Cover
StarTech.com 2 m Black DB9 RS232 Serial Null Modem Cable F/M, DB9 Male to Female, 9 Pin Null Modem Cable, 1x DB9 (M), 1x DB9 (F) - Black

The StarTech.com DB9 Null Modem Cable is designed to connect your serial devices effortlessly. With its 2-metre length, you can easily position your devices without being restricted by short cables. This DB9 Male to Female cable ensures seamless file transfers between your devices, making it perfect for data communication tasks. Additionally, it operates as an RS232 Null Modem Cable, providing reliable connections for various serial applications, ensuring you can work efficiently without interruptions.

What We Like
2-metre length for flexibility
Seamless file transfer capability
Reliable RS232 connections
Easy connection of serial devices
#TOP 4

StarTech 3m RS232 Null Modem Cable

9FMNM-3M-RS232-CABLE
Black
StarTech 3m RS232 Null Modem Cable Cover
StarTech.com 3m RS232 Serial Null Modem Cable, Crossover Serial Cable w/Al-Mylar Shielding, DB9 Serial COM Port Cable Female to Male, Compatible w/DTE Devices, Black, F/M (9FMNM-3M-RS232-CABLE)

The StarTech Null Modem Cable is an essential tool for connecting two DTE devices over a distance of up to 3 metres. Its high-quality construction ensures durability, with tinned wires and aluminium mylar shielding that protect against electromagnetic interference. You will appreciate the screw locking feature, as it prevents accidental disconnections, helping to avoid data loss. Additionally, the cable comes with moulded PVC connectors, which provide strain relief, reducing the risk of damage from bends and twists.

What We Like
Flexible setup configuration
Durable and high-quality construction
Prevents accidental disconnections
Reduces risk of damage
#TOP 5

StarTech.com USB to Null Modem Adapter Cable

1P3FFCNB-USB-SERIAL
Black
3ft/1m
StarTech.com USB to Null Modem Adapter Cable Cover
StarTech.com 3ft (1m) USB to Null Modem Serial Adapter Cable, COM Retention, FTDI, USB-A to RS232, Changeable DB9 Screws/Nuts

The StarTech.com Serial Adapter Cable offers a user-friendly way to connect your computer to serial devices. With interchangeable nuts and screws, you can easily secure the adapter to various devices, ensuring compatibility. The LED indicators provide real-time monitoring of port activity, making it easier for you to see when data is being transmitted or received. This cable is compatible with multiple operating systems, and the automatic driver installation simplifies setup, allowing you to get connected quickly and efficiently.

What We Like
Interchangeable nuts and screws
Real-time LED indicators
Multi-platform compatibility
Durable build quality
High data transfer rate
#TOP 6

StarTech.com 1m Black DB9 Serial Null Modem Cable

SCNM9FM1MBK
Black
StarTech.com 1m Black DB9 Serial Null Modem Cable Cover
StarTech.com 1 m Black DB9 RS232 Serial Null Modem Cable F/M, DB9 Male to Female, 9 Pin Null Modem Cable, 1x DB9 (M), 1x DB9 (F) - Black

The StarTech.com DB9 Null Modem Cable is an essential tool for connecting your serial devices. With a length of 1 metre, it provides ample reach for your setup. This cable enables you to transfer files efficiently between devices, ensuring a smooth data exchange. Its DB9 Male to Female configuration is perfect for various applications. By using this RS232 Null Modem Cable, you can enhance your device connections and simplify your data transfer processes.

What We Like
Easy device connections
Efficient file transfers
1 metre length
Compatible with various devices
DB9 Male to Female configuration
#TOP 7

StarTech.com 3ft DB9 to 3.5mm Serial Cable

9M351M-RS232-CABLE
Black
StarTech.com 3ft DB9 to 3.5mm Serial Cable Cover
StarTech.com 3ft (1m) DB9 to 3.5mm Serial Cable for Serial Device Configuration, RS232 DB9 Male to 3.5mm Cable for Calibrating Projectors, Digital Signage, TVs via Audio Jack (9M351M-RS232-CABLE)

The StarTech.com DB9 to 3.5mm cable is a 3ft (1m) RS232 serial control cable designed for configuring and calibrating devices like TVs, projectors, and digital signage that require a 3.5mm audio jack connection. Its high-quality construction features 28 AWG copper wires and shielding to prevent EMI interference, ensuring reliable performance. You will appreciate the durable molded PVC connectors that protect against damage from bends and rough handling. Additionally, the cable is compatible with USB-A and USB-C to DB9 serial adapters, making it versatile for various devices.

What We Like
High-quality construction
Durable connectors
Versatile compatibility
Prevents EMI interference
#TOP 8

StarTech.com 2 Port DB9 Serial Port Bracket

PLATE9M2P16
Gray
StarTech.com 2 Port DB9 Serial Port Bracket Cover
StarTech.com 2 Port 16in DB9 Serial Port BRacket to 10 Pin Header - DB9 bRacket - DB9 Header - Serial Port bRacket (PLATE9M2P16), Gray

The StarTech.com DB9 Serial Bracket is designed to enhance your connectivity options with its serial panel feature, allowing you to easily connect devices. The DB-9 (M) to 10 pin IDC (F) connection ensures compatibility with a variety of equipment, making it versatile for your needs. Measuring 1.3 feet, this bracket provides ample length for installation, while its sleek grey colour fits seamlessly into any setup. This product is ideal for users looking to simplify their serial connections.

What We Like
Easy device connectivity
Versatile connection options
Ample installation length
Sleek grey design
#TOP 9

StarTech.com 25 Ft Serial Extension Cable

MXT100_25
gray
25 ft / 7.5m
StarTech.com 25 Ft Serial Extension Cable Cover
StarTech.com Straight Through Serial Cable (25 Ft, M/F)

The StarTech.com Serial Cable is designed to extend your connection by up to 25 feet, providing you with greater flexibility in positioning your serial devices. Its moulded connectors come with PVC strain relief, which helps prevent the connectors from bending at sharp angles, thereby reducing the risk of damage to the cable. This feature ensures a longer lifespan for your connection. Additionally, the product is compatible with various international standards, giving you the confidence that it can meet your needs regardless of your location.

What We Like
Extends connection up to 25 feet
Moulded connectors for durability
Prevents cable damage
Compatible with international standards
#TOP 10

StarTech.com Serial Male to Motherboard Cable

PNL9M16
Gray
StarTech.com Serial Male to Motherboard Cable Cover
StarTech.com PNL9M16 9 Pin Serial Male to 10 Pin Motherboard Header Panel Mount Cable, Gray, 16 inch

The StarTech.com Serial Cable is a reliable choice for connecting devices with ease. This 1.3 ft cable features a DB-9 male connector, which is perfect for various serial connections. The 10 pin IDC female connector ensures compatibility with motherboard headers, making installations straightforward. The grey colour adds a sleek touch while also allowing for easy identification among other cables. Users will appreciate the flexibility offered by this cable length, making it ideal for various setups.

What We Like
Durable serial cable
Compatible with motherboards
Convenient 1.3 ft length
Sleek grey design
Buying Guide Image
Editor's Notes

During our StarTech.com serial cable research, we found 24 StarTech.com serial cable products and shortlisted 10 quality products. We collected and analyzed 21,001 customer reviews through our big data system to write the StarTech.com serial cables list. We found that most customers choose StarTech.com serial cables with an average price of £15.07.

The StarTech.com serial cables are available for purchase. The top 10 picks range in price from a low of £3.00 to a high of £34.00, find the one that fits your budget.

Written by
Kenneth Collin Avatar

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.