The Best Mini Serial Port of 2022 – Reviews & Buying Guide

After hours researching and comparing all models on the market, we find out the Best Mini Serial Port of 2022. Check our ranking below.

2,959 Reviews Scanned

SaleRank No. #1

DTECH Serial Adapter 3-Pack (DB9 F-F, M-F, M-M), Mini Size RS232 Coupler, Female to Male 9 Pin Connector, for PC Computer Data Transfer

3pcs mini DB9 connector set (DB9 female to female adapter, DB9 female to male adapter and DB9 male to male adapter) for serial data communication
RS232 gender changer is a simple little tool to change the gender on the serial cables, switch and splitter box, or to extend computer cables
Compact size serial port adapter bender with removable hex nut and mounting screw for an easy extension connection between two cords
low profile 9 pin adapter RS-232 is wired straight through pin to pin and its narrow slimline design reduces leverage strain on computer ports and save space
Standard 9 pin D-Sub connector converter for desktop computer COM port, PC laptop, PLC, GPS, POS, modem, router, serial monitor, LCD display, printer, scanner, cashier, Cisco switch, joystick and other legacy devices

Rank No. #2

MTUERANC USB to RS232 Serial Adapter, Mini USB 5 Pin Male to DB9 9 Pin Female Serial Converter Cable 1.8M/6Feet

Connector 1: USB mini 5 pin male, Connector 2: DB9 Female Serial Port.
The Serial Cable Suitable for connecting computers and various serial devices, such as cash registers, printers, access control systems, scanners, barcode printers, LED displays,Port device connected to USB Mini 5 Pin
Cable Made of PVC special grade to ensure signal data transmission,Fully shielded to prevent unwanted EMI/RFI interference.
DB9 9 Pin Female to USB mini 5 Pin Male Serial Cable. Suitable for multiple systems Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS, (NOTE: That this model does not contain a chip, it is just an adapter cable)
Packag content: 1 * 1.8M/6Feet mini USB to DB9 Serial Cable

Rank No. #3

LEMENG DB9 Male to DB25 Female Mini Serial Port Cable Adapter Gender Changer

A cost-effective way of converting a 9-pin serial port to a 25-pin port
Easy to use and install
1 x DB9 male , 1 x DB25 female
Low profile

Rank No. #4

Mini USB to RS232 Serial Adapter, Dafensoy Right Turn Mini USB 5 Pin Male to DB9 Pin Female Converter Cable, for Various Serial Devices and USB Mini Port Black 1.8M/6Feet

This is a USB Mini 5 Pin Male to RS232 DB9 Female Serial Converter Cable. Note that this model does not contain a chip, it is just an adapter cable
Suitable for connecting computers and various serial devices, such as cash registers, printers, access control systems, scanners, barcode printers, LED displays,Port device connected to USB Mini 5 Pin
Suitable for multiple systems Windows 10, 8.1, 8, 7, Vista, XP, Linux and Mac OS X, macOS,
We adopt high-quality PVC and metal, which are environmentally friendly. It can also ensure the transmission of data.
Cable length: 1.8M/6 feet

Rank No. #5

GEEKOM Air12 Lite Mini PC (3-Year Warranty), Intel 12th Gen Twin Lake N150 (Better Than N100), 16GB RAM 512GB SSD, 4K Dual Display, 6 USB Ports + 9PIN Serial, Mini Desktop Computer for Home&Office

🌟【Built for Modern and Legacy Gear】The GEEKOM AIR 12 Lite mini pc packs 6 USB ports for all your peripherals and a built-in 9Pin serial interface for direct plug-and-play compatibility with industrial equipment, POS systems and specialized devices. This compact powerhouse pc handles modern and old-school gear simultaneously, perfect for POS systems, industrial controls, and space-constrained offices. Get full connectivity without the clutter!
🖥️【Powerful & Efficient Performance】The GEEKOM Air12 Lite mini pc is powered by the latest Intel 12th Gen Twin Lake N150 processor (4 cores / 4 threads, 6MB cache, up to 3.6GHz), delivering 20% faster performance than the N100. With Intel UHD Graphics, supporting stunning 4K@60Hz output, this Air12 Lite mini computer powerhouse handles everything from smooth media streaming and office productivity to photo editing and web browsing with remarkable ease. Perfect for work and entertainment, windows system out of the box and fully compatible with Ubuntu and Linux systems, this mini pc delivers lag-free performance in a space-saving design.
🔥【Sleek, Durable & Space-Saving】Designed for modern workspaces, the Air12 Lite mini computer features a minimalist metal chassis (just 5.3 x 4.5 x 1.4 inches) that blends seamlessly into any setup. It is engineered with a triple-reinforced ABS+PC shell with full aluminum frame and baseplate withstands up to 440 lbs of pressure for the perfect balance of strength and thermal efficiency. It also features tool-free upgrades, shock-absorbing feet, and 3D stereo WiFi antenna design for stable performance and durability.
❄️【Newly upgraded Iceblast cooling】The Air12 Lite features GEEKOM's advanced Iceblast cooling system, combining high-efficiency heat conduits, premium thermal materials, and optimized fans to keep temperatures in check—even under heavy workloads. Engineered for peace and performance, its precision-tuned fan blades operate 40% quieter than standard mini pcs, letting you work or stream without disruptive noise.
✅【Dependable Quality】The GEEKOM Air12 Lite mini pc integrates advanced manufacturing processes and power management technologies to effectively control thermal losses during operation, with a power consumption of only 35 watts. It has passed 6 rigorous tests to ensure superior reliability over competitors. Smart power management eliminates idle waste, keeping your setup smooth and sustainable. Get desktop-grade durability and energy savings in one compact powerhouse—so you save money without sacrificing performance.

Rank No. #6

LinksTek 2-Port PCI Express RS-232 DB9 Serial Port Card for Windows XP, Vista,7, 8.x, 10, 11 32/64bit and Linux PCs, PCIE RS232 Card, PCIE Serial DB9 Port Card (PCIE-SE2)

1. PCIE-SE2 allow users add 2X RS232 BD9 serial Ports on desktop PCs or industrial devices by motherboard PCI Express slot.
2. Seamless connect to serial DB9 ports device such as POS system, industrial testing and control device, security system, logistic management equipment, scanners and printers.
3. Need to install driver on Windows XP, Vista, 7, 8.x, 10, 11 (32/64bit) systems. Linux kernel 2.6.x, 3.x, 4.x, 5.x need to refer compile source code from the driver CD.
4. Selected by ASIX AX99100 solution supports on chip 256-byte depth FIFO in transmit. Works on Intel, AMD, ARM hardware platform.
5. The full-size bracket on this expansion card will works on standard size PCs. The 2X low profile bracket for slim PCs. Based on PCIE X1 interface, will works on X1, X4, X8, X16 slot.

Rank No. #7

Antrader 4-Pack DB25 25 Pin Serial Port Female to Female Mini Gender Changer Coupler Adapter RS232 Connector

Convert a DB25 female connection to a DB25 female connection.
Db25 Gender Changer. Quickly change the gender, or join two cables together.
Save the cost and hassle of buying a new cable by just changing the gender of your port and using the cable you already have.
Each changer is molded and fully shielded, preventing any unwanted EMI/RFI interference caused from office equipment.
Package Content : 4PCS x DB25 Female To Female Gender Changer

Rank No. #8

Arnorin DB9 Port Saver Serial RS232 Female to Male Mini Adapter Pack of 2

Wired straight through to pass signals through a panel or enclosure
Fully shielded to protect against EMI (electromagnetic interference)
Gold plated contacts provide reliable connections with repeated mating cycles
UL grade 94V-0 connector insulator satisfies flammability requirements
Screws are removable and reversible

Rank No. #9

Cable Leader DB25 Male to Female RS232 Serial Port Mini Tester

Comprehensive Signal Tracing: Monitors seven critical RS232 signals (TD, RTS, DSR, CD, RD, CTS, DTR) allowing for complete visibility into serial communication issues.
Convenient Pass-Through Design: The male-to-female configuration enables in-line testing without disconnecting equipment, saving time during troubleshooting procedures.
Compact Form Factor: This mini tester's small footprint makes it easy to carry in a toolkit and use in tight spaces where larger diagnostic equipment won't fit.
Visual Signal Indicators: LED indicators provide instant visual feedback on signal status, eliminating guesswork and speeding up the diagnostic process.
Versatile Applications: Perfect for IT professionals, network administrators, industrial control systems, legacy equipment maintenance, educational laboratories, and anywhere RS232 serial communications are used.

Rank No. #10

Warmstor 6-Pack DB25 25Pin Female to Female Mini Gender Changer Coupler Adapter RS232 Serial Cable Connector

❁PERFORMANCE: Allow you interconnect two 25 pin vga cables no matter your cables are male or female plugs.
❁CONFIGURATION : These DB25 mini gender changers are constructed of nickel plated and have precision-made connectors for increasing corrosion protection,offering lossless signal and ensuring long using lifespan.
❁WIDE COMPATIBILITY: Plug and play,no power needed.Serial ports soldering free.It can connect all kinds of serial devices. Such as computer and tax control machine, digital camera,PLC, PDA, MODEM, set-top box, barcode machine, industrial instrumentation and other equipment for communication.
❁PACKAGE CONTENT: Cost-effective 6-PACK Serial RS232 DB25 Connector include 3 * Male to Male and 3 * Female to Female DB25 Mini Gender Changer.
❁WARM TIP: These adapters only support connecting 25pin DB25 RS232 Cables,they DO NOT support 9pin DB9 nor 15pin HD15 Cables!

Last update on 2025-07-22 / Affiliate links / Images from Amazon Product Advertising API

How Do You Buy The Best Mini Serial Port?

Do you get stressed out thinking about shopping for a great Mini Serial Port? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Mini Serial Port, which is why we have assembled a comprehensive list of the greatest Mini Serial Port available in the current market. We’ve also come up with a list of questions that you probably have yourself.

We’ve done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Mini Serial Port that you consider buying. Your questions might include the following:

Is it worth buying an Mini Serial Port?
What benefits are there with buying an Mini Serial Port?
What factors deserve consideration when shopping for an effective Mini Serial Port?
Why is it crucial to invest in any Mini Serial Port, much less the best one?
Which Mini Serial Port are good in the current market?
Where can you find information like this about Mini Serial Port?

We’re convinced that you likely have far more questions than just these regarding Mini Serial Port, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Mini Serial Port, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Mini Serial Port. Make sure that you are only using trustworthy and credible websites and sources.

We provide an Mini Serial Port buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Mini Serial Port currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Mini Serial Port has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Mini Serial Port?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Mini Serial Port.
Customer Ratings: Number ratings grade Mini Serial Port objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Mini Serial Port.
Product Quality: You don’t always get what you pay for with an Mini Serial Port, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Mini Serial Port is should be an indication of how long it will work out for you.

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The Best Mini Serial Port of 2022 – Reviews & Buying Guide

How Do You Buy The Best Mini Serial Port?

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