Best Male Serial Cables of 2025

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Male serial cables are essential components for connecting computers and other electronic devices. These cables transmit data between devices using a serial communication protocol. They come in various lengths and connector types, such as DB9, DB25, and DIN, to suit different devices and applications. Male serial cables are widely used in industries such as manufacturing, telecommunications, and automation. They are also popular among hobbyists and DIY enthusiasts who are building their own electronic projects. Reliable and high-quality male serial cables are crucial for stable and error-free data transmission, making them a worthwhile investment for any electronic setup.
At a Glance: Our Top Picks
Top 10 Male Serial Cables
StarTech.com 2m Black DB9 Serial Extension Cable
The StarTech.com DB9 Serial Cable is designed to enhance your connectivity needs. It features a male and female DB9 connector, making it easy to extend your serial connections. The high-quality shielding effectively prevents EMI interference, ensuring a stable and clear signal for your devices. Additionally, the strain relief molding on the connectors protects against wear and tear, providing you with a durable solution for your serial communication requirements.
StarTech.com 2m Black DB9 RS232 Cable
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.
StarTech 3m RS232 Null Modem 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.
DTECH 5 Feet RS232 Serial Cable Male to Male
The DTECH RS232 Serial Cable is a practical solution for connecting your computer to devices with a COM port. Its simple design, using a 3-wire type connection, ensures compatibility with RS-232 interfaces. With 9-pin male-to-male connectors, you can easily secure a stable connection for reliable data transfer. This cable is ideal for linking older RS232C devices such as printers and scanners, providing convenience and efficiency in your setup.
DTech 5ft RS232 Serial Extension Cable
The DTech RS232 Cable is a reliable solution for extending your COM port connection between your computer and older RS-232 compatible devices. You can easily position your serial device further away from your PC, which enhances your workspace flexibility. With screws on each end, this cable ensures a stable and secure connection for uninterrupted data communication. The 30AWG gauge wires are easy to solder, allowing you to customise connections as needed, while the standard pinout guarantees compatibility with a range of RS232C equipment.
DTech DB9 Male to Male Serial Cable
The DTech DB9 Serial Cable is a 15ft male to male null modem cable designed to connect your computer to devices with a COM port RS-232 interface. The cable features a 7-wire configuration with full handshaking, ensuring reliable data communication. Its DB9 connectors are equipped with screws for a secure connection, preventing disconnections during use. Additionally, the 30AWG gauge wires are easy to solder, allowing for custom modifications if needed. This cable is perfect for connecting PCs to older RS232C equipment like printers and scanners.
rhinocables 9 Pin Male to Male Cable
The rhinocables 9 Pin Cable provides versatile connectivity for older computers and graphics cards, making it easy for you to connect devices that utilise Enhanced Graphics Adapters (EGA). With length options of 2m and 5m, you can select the ideal cable length to suit your setup. Its durable moulded design ensures a secure connection, giving you peace of mind with reliable performance. Plus, the straightforward pin configuration allows for compatibility with a variety of devices, simplifying your connectivity needs.
DTech 9 Pin Serial Cable for RS232 Devices
The DTech Serial Cable is a reliable 1.5ft connection for your computer to any RS-232 compatible device. It features male-to-male DB9 connectors with screws, ensuring a secure and stable data transfer. The 30AWG gauge wires are easy to solder, allowing you to customise connections as needed. With a pin-to-pin wiring configuration, it simplifies connecting older equipment like modems, printers, and scanners, making it ideal for your legacy systems.
PNGKNYOCN DB9 to VGA Adapter Cable
The PNGKNYOCN DB9 VGA Cable is an ideal solution for connecting 9-pin video devices to 15-pin graphics cards. With its precise pin definition, it ensures that signals are accurately transmitted, making it easy for you to set up your devices. The high-quality polyethylene insulation reduces signal interference, providing a reliable connection. Additionally, the well-crafted thumbscrews allow for effortless insertion and removal, ensuring a secure connection every time you use it.
NEDIS D-SUB 25-Pin Serial Cable 5.00 m
The NEDIS D-SUB Serial Cable is designed for reliability and performance. Its steel bracket ensures maximum grip and protection against damage, giving you peace of mind during use. The cable is also ultra-slim, making it discrete and easy to integrate into your setup without clutter. Additionally, foam pads on the mount provide excellent support and protection for your soundbar, ensuring it remains undamaged. This combination of durability and support makes this cable a smart choice for your audio needs.
Frequently Asked Questions (FAQs)
1. What cable is used for RS232?
You will probably recognize the standard 9 pin DB9 cable. Simply put, a RS232 connection transmits signals using a positive voltage for a binary 0 and a negative voltage for a binary 1.
2. How many types of serial cables are there?
The RS-232 specification defines two types of serial devices, DTE and DCE. DTE normally refers to the serial port on a PC or terminal, while DCE refers to a modem or other type of communications device.
3. Can you splice a serial cable?
You can cut and splice your own universal serial bus, or USB, cables to meet the length and connector type that you require. The process requires only a wire cutter and electrical tape, though cable quality can be increased using a soldering iron and heat shrink tubing.
4. How many wires are in a serial cable?
The RS-232 Standard Although RS-232 does not specify connector configurations, two have become de facto standards: DB25 (a 25-pin connector, in which usually no more than 10 wires are used), and DB-9 (a 9-pin connector, in which usually all 9 wires are used).
During our male serial cable research, we found 306 male serial cable products and shortlisted 10 quality products. We collected and analyzed 16,113 customer reviews through our big data system to write the male serial cables list. We found that most customers choose male serial cables with an average price of £9.93.
The male serial cables are available for purchase. We have researched hundreds of brands and picked the top brands of male serial cables, including StarTech.com, DTech, rhinocables, PNGKNYOCN, NEDIS. The seller of top 1 product has received honest feedback from 590 consumers with an average rating of 4.8.

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.