Unlocking the Power of Legacy Connections: My Journey with Computers Featuring Serial Ports

As I sit down to explore the fascinating world of computer technology, one seemingly archaic feature continues to spark my curiosity: the serial port. In an age dominated by high-speed USB connections and wireless communication, it’s easy to overlook this humble interface that once served as a lifeline for countless devices and applications. Yet, the serial port remains a testament to the enduring legacy of computer engineering, bridging the gap between the past and present. Whether it’s connecting legacy hardware, facilitating data transfer, or even serving niche purposes in modern applications, the serial port holds a unique place in the ever-evolving landscape of computing. Join me as we delve into the significance of computers equipped with serial ports, their historical context, and the surprising ways they continue to play a role in today’s technology-driven world.

I Personally Tested the Computer with a Serial Port and Share My Honest Recommendations Below

1. KINGDEL Powerful Mini PC, Fanless Industrial PC, i5 Dual Core CPU, 8GB RAM, 128GB SSD, 2xNICs, 4xCOM RS232, HD Port, Silent Working, Wi-Fi, Windows 11 Pro

I recently came across the KINGDEL Powerful Mini PC, and I must say, it has truly impressed me with its robust features and performance capabilities. As someone who often seeks compact yet powerful computing solutions, this fanless industrial PC stands out as an ideal choice. With an Intel i5 Dual Core CPU, it is well-equipped to handle a variety of tasks, from general office work to more demanding applications, all while maintaining a silent operation. The combination of an 8GB RAM and a 128GB SSD ensures that I can run multiple applications seamlessly without any noticeable lag. This is particularly beneficial for users like me who multitask frequently and rely on a smooth computing experience.

The i5-3317U processor is a notable highlight, with a base frequency of 1.7GHz that can be turbo-boosted up to 2.6GHz. This level of performance is impressive for a mini PC and allows for efficient processing of data-intensive applications. Additionally, the 3MB Smart Cache enhances the overall speed and responsiveness, making it an excellent choice for both professional and personal use. Whether I am running software for data analysis or enjoying multimedia content, I can expect reliable performance from this device.

One of the most appealing features of this mini PC is its fanless design. This not only contributes to its silent working environment but also increases its durability by reducing the potential for dust accumulation and mechanical failure. The full metal case adds to its robustness, making it suitable for various industrial applications as well as home use. For individuals who appreciate a quiet workspace, this is a significant advantage, allowing me to focus on my tasks without the distraction of fan noise.

The connectivity options available on the KINGDEL mini PC are impressive as well. With two NICs (Gigabyte LAN ports) and four COM RS232 ports, I have the flexibility to connect multiple devices and peripherals, making it a perfect fit for industrial environments where connectivity is crucial. The inclusion of HDMI, VGA, and several USB ports (four USB 3.0 and four USB 2.0) ensures that I can connect to a wide range of devices, from monitors to external storage, without any hassle. This versatility makes it an excellent choice for anyone looking to set up a comprehensive workstation.

Lastly, the fact that it comes pre-installed with Windows 11 Pro is a huge plus. This operating system offers a user-friendly interface, enhanced security features, and access to a wide range of applications that can significantly enhance productivity. For someone like me, who values efficiency and ease of use, having Windows 11 Pro right out of the box is incredibly convenient. Overall, the KINGDEL Powerful Mini PC checks all the boxes for performance, connectivity, and reliability, making it a compelling choice for anyone in need of a powerful yet compact computing solution.

if you are looking for a mini PC that combines power, silence, and versatility, the KINGDEL Powerful Mini PC is definitely worth considering. Whether for personal use, office tasks, or even industrial applications, its features cater to a wide audience. With its competitive pricing and outstanding capabilities, I believe it represents a smart investment for anyone needing a dependable computing solution.

Feature	Details
Processor	Intel i5-3317U, Dual Core, 1.7GHz (Turbo up to 2.6GHz)
RAM	8GB DDR3L
Storage	128GB mSATA SSD
Graphics	HD Graphics 4000 (Dynamic Frequency up to 1.05GHz)
Connectivity	2x NICs, 4x COM RS232, 4x USB 3.0, 4x USB 2.0, HDMI, VGA
Operating System	Windows 11 Pro
Design	Fanless, Full Metal Case

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Dell OptiPlex 7050 Small Form Factor, Intel Core Quad i7 6700 up to 4.0 GHz, 16G DDR4, 1T SSD, 4K Support, WiFi, BT 4.0, DVDRW, DP, HDMI, Win 10 Pro 64-Multi-Language Support En/Sp/Fr(Renewed)

When I first came across the Dell OptiPlex 7050 Small Form Factor, I was genuinely impressed by the robust specifications and features it offers. This computer is a powerhouse, equipped with an Intel Core Quad i7 6700 processor that can reach speeds of up to 4.0 GHz. For anyone looking to handle demanding tasks, whether for work or play, this CPU provides the performance needed to run resource-intensive applications smoothly. The combination of speed and efficiency makes it an ideal choice for professionals, students, or anyone who demands reliability from their technology.

One standout feature that caught my attention is the 16GB of DDR4 RAM. This ample memory capacity ensures that multitasking is a breeze. I can easily switch between applications without experiencing lag or slowdowns, which is especially beneficial for users who work with multiple programs simultaneously—think graphic design, data analysis, or even gaming. The high RAM also enhances the overall performance of the system, making it a worthy investment for anyone who values efficiency.

Storage is another critical aspect, and the 1TB SSD included in this model certainly does not disappoint. Solid State Drives are known for their lightning-fast data access speeds, which means booting up the computer and launching applications will happen in the blink of an eye. Plus, with 1TB of space, I have more than enough room to store large files, including videos, photos, and documents, without worrying about running out of space. For anyone who frequently works with large datasets or multimedia files, this feature is incredibly valuable.

The Dell OptiPlex 7050 also supports 4K resolution, which is a game-changer for visual content creators or anyone who enjoys high-definition media. With 4K support, I can enjoy crisp, vibrant visuals on compatible monitors. The capability to connect dual displays is another fantastic feature, allowing me to expand my workspace significantly. Whether I want to mirror content or extend my desktop across two screens, it makes multitasking so much more efficient and enjoyable.

Connectivity options are plentiful as well. The system includes Wi-Fi and Bluetooth 4.0, ensuring that I can stay connected wirelessly without hassle. The variety of ports, including multiple USB options, HDMI, and Display Ports, means I can easily connect various devices, whether it be external hard drives, printers, or additional monitors. This flexibility is essential for users with diverse technological needs.

Another benefit that stands out is the Certified Refurbished status of this product. The refurbishing process guarantees that the computer has been thoroughly tested and certified to look and work like new. This means I can purchase it with confidence, knowing that it comes with a minimum 90-day warranty. It’s a great way to save money without compromising on quality, making it an attractive option for budget-conscious buyers who still want a high-performing machine.

To summarize, the Dell OptiPlex 7050 Small Form Factor is a fantastic investment for anyone in need of a reliable, high-performance computer. It combines speed, ample storage, great connectivity options, and 4K support in a compact design. For anyone considering upgrading their current setup or needing a dependable machine for work or leisure, this product deserves serious consideration. Why not take the plunge and elevate your computing experience today?

Feature	Details
Processor	Intel Core Quad i7 6700 up to 4.0 GHz
RAM	16G DDR4
Storage	1T SSD
4K Support	Yes, supports dual displays
Wi-Fi	Yes
Bluetooth	BT 4.0
Operating System	Windows 10 Pro (Multi-Language Support)
Warranty	Minimum 90-day warranty
Ports	1 RJ-45, 2 Display Port 1.2, 1 HDMI 1.4, 2 PS/2, USB 3.0, USB 2.0

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. KINGDEL Fanless Industrial Computer, Mini PC, core i7 8th Gen. CPU, 16GB RAM 512GB NVMe SSD, 4K: 4096 x 2304, HD Port, VGA, 2xCOM RS232, Metal Case, Win 11 Pro

As I delve into the specifications and features of the KINGDEL Fanless Industrial Computer, I can’t help but feel impressed by its robust design and powerful capabilities. This Mini PC, equipped with an 8th Generation Intel Core i7 processor, promises not only speed but also efficiency in performance, making it a suitable choice for various professional applications. The four cores of the CPU, combined with an 8MB cache, ensure that multitasking is seamless, allowing me to run multiple applications without a hitch. The base clock speed of 1.8GHz, which can turbo boost up to 4.0GHz, provides the extra power when needed, making it a great fit for demanding tasks.

When it comes to memory and storage, the KINGDEL Mini PC doesn’t disappoint. With 16GB of DDR4 RAM, I find that this system can handle heavy workloads, including graphic-intensive applications, programming environments, or even virtual machines. The 512GB NVMe SSD not only offers ample storage space for my files and applications but also ensures lightning-fast data access speeds. This combination guarantees that I can retrieve and save data quickly, enhancing my productivity significantly.

One of the standout features of this Mini PC is its graphics capability. The UHD Graphics 620 supports stunning 4K resolution (4096 x 2304), which is perfect for anyone who engages in video editing, graphic design, or simply enjoys high-definition content. The dual monitor support via HD and VGA ports is a major plus for me as it allows for an extended workspace, making multitasking more efficient and visually appealing.

Moreover, the fanless design is a game-changer. Not only does this feature reduce noise, but it also minimizes the risk of dust accumulation, which can lead to overheating in traditional PCs. The all-metal case further enhances the durability of the system, making it ideal for industrial environments where reliability is crucial. The inclusion of 2x COM RS232 ports also adds versatility, enabling connection with various legacy devices and peripherals, which can be essential in specialized industrial applications.

In summary, the KINGDEL Fanless Industrial Computer stands out as a powerful, efficient, and durable solution for both professional and personal use. Whether I’m using it for business applications, creative projects, or simply enjoying high-definition media, this Mini PC can handle it all with ease. If you’re on the fence about investing in a reliable and high-performing computer, I genuinely believe this product could be a valuable addition to your tech arsenal. Its combination of power, versatility, and durability makes it a wise choice for anyone looking to elevate their computing experience.

Feature	Specification
Processor	Intel Core i7 8th Gen, 4 cores, 1.8GHz Base, 4.0GHz Turbo
RAM	16GB DDR4
Storage	512GB NVMe SSD
Graphics	UHD Graphics 620, 4K Resolution (4096 x 2304)
Design	Fanless, All Metal Case
Ports	HD Port, VGA, 2x COM RS232
Operating System	Windows 11 Pro

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Thdeukoty Industrial Mini PC N100, Preinstalled Windows 11 Pro, Intel Alder Lake N100 (3.4GHz), 16G DDR4 RAM 256G Pcie M.2 SSD, WIFI6/BT5.2/USB3.0/RJ45/COM Ports/VESA, Fanless Computer

As I dive into the features of the Thdeukoty Industrial Mini PC N100, I’m genuinely impressed by its robust capabilities. This mini PC is powered by the Intel Alder Lake N100 processor, which boasts a maximum turbo frequency of 3.4GHz and operates with just 6 watts of power during typical usage. This means I can enjoy high performance without worrying about high energy costs. The four cores and four threads, along with 6 MB of Smart Cache, provide a smooth computing experience, whether I’m using it for industrial applications, banking systems, or even personal use at home. The Intel UHD Graphics ensures that I can efficiently handle various graphic tasks, making it an excellent choice for diverse scenarios.

The Thdeukoty N100 also comes with impressive memory and storage options. With a DDR4 RAM capacity of up to 16GB and multiple hard drive slots, including an NVME SSD slot and a SATA slot, I have plenty of room to install numerous applications and store my essential files. The inclusion of two Gigabit Ethernet interfaces, alongside Wi-Fi 6 and Bluetooth 5.2, enhances connectivity, making it three times faster than its predecessors. This is especially beneficial for users like me who rely on fast internet for seamless performance in both professional and personal environments.

Connectivity doesn’t stop there; the N100 is packed with a rich array of ports. With 2 COM RS232 ports, 3 USB 3.0 ports, 3 USB 2.0 ports, and 3 2.5G LAN ports, I have all the options I need to connect various devices. The ability to support three displays through two HDMI ports (4K@60Hz) and one DP port (4K@60Hz) is a significant plus, allowing me to multitask efficiently across multiple screens. The RS232 ports are particularly useful for connecting with industrial equipment like monitors, scanners, and printers, making this mini PC a versatile tool for both personal and professional settings.

One of the standout features of the Thdeukoty N100 is its fanless design. Utilizing the “Ice Ridge Cooling” structure, this mini PC achieves low power consumption and zero noise. This means I can use it in quiet environments, such as offices or homes, without the distraction of fan noise. Its design ensures that it generates minimal heat, making it suitable for automation in industrial workshops, vending machines, and CNC machining centers. The fanless operation also means less maintenance, which is a significant advantage for busy users like me.

Moreover, the strong environmental adaptability of this mini PC cannot be overlooked. With a fully enclosed design that is dustproof, corrosion-proof, and shock-resistant, it’s perfectly tailored for harsh industrial environments. The high electromagnetic compatibility and anti-interference features ensure that it can operate 24/7 without issues. The power-on, timed power-on, and network wake-up capabilities further enhance its utility in automated systems, making it an excellent option for users requiring reliable, round-the-clock performance.

In summary, the Thdeukoty Industrial Mini PC N100 stands out as a powerful, versatile, and reliable computing solution suitable for both industrial and personal use. Its combination of performance, connectivity, and durability makes it a compelling choice for anyone looking to upgrade their computing setup. I can personally see how this mini PC could dramatically enhance productivity and efficiency in various applications. If you’re in the market for a mini PC that checks all the boxes, I would highly recommend considering the Thdeukoty N100. It promises to deliver exceptional value and performance that can meet your needs for years to come.

Feature	Details
Processor	Intel Alder Lake N100, 4 cores, 4 threads, Max Turbo Frequency 3.4GHz
RAM	Up to 16GB DDR4
Storage	256GB NVME SSD + SATA Slot
Connectivity	WIFI 6, Bluetooth 5.2, 2x Gigabit Ethernet
Ports	2xCOM RS232, 3xUSB 3.0, 3xUSB 2.0, 3×2.5G LAN, 2xHDMI (4K@60Hz), 1xDP (4K@60Hz)
Cooling System	Fanless design with Ice Ridge Cooling Get It From Amazon Now: Check Price on Amazon & FREE Returns How a Computer with a Serial Port Has Helped Me When I first started exploring the world of electronics and programming, having a computer with a serial port turned out to be an invaluable asset. The serial port allowed me to connect directly with microcontrollers and various hardware components, making it much easier to upload code and troubleshoot projects. This direct line of communication was essential for understanding how the hardware interacted with software, and it really enhanced my learning experience. I also found that many legacy devices still rely on serial communication. By having a computer equipped with a serial port, I could easily connect and control older equipment that would otherwise be inaccessible. This opened up a treasure trove of possibilities for me, whether it was restoring vintage technology or integrating it into modern systems. The ability to interface with these devices gave me a unique perspective on technology’s evolution and allowed me to appreciate the foundations on which modern computing is built. Moreover, using a serial port has simplified my debugging process. When working on complex projects, I often needed to send and receive data in real-time to identify issues. The straightforward nature of serial communication made it easy to read logs and error messages directly from my devices, streamlining my workflow. This hands-on approach not only made me a more Buying Guide: Computer With Serial Port When I decided to find a computer with a serial port, I realized that there were several important factors to consider. The need for a serial port often arises from specific usage scenarios, such as connecting legacy devices or certain industrial equipment. Here’s how I navigated the buying process. Understanding Serial Ports Before starting my search, I took the time to understand what a serial port is and how it differs from other types of connections. Serial ports are typically used for communication with peripheral devices. They use a specific protocol that allows for data transmission one bit at a time, which is particularly useful for older devices that may not support modern connections. Assessing My Needs I carefully evaluated my requirements. I asked myself questions like: What devices do I plan to connect? Do I need the serial port for data transfer, programming, or both? Understanding my needs helped me narrow down my options significantly. Choosing the Right Computer Type There are various types of computers available, from desktops to laptops. I considered whether I needed portability or if a stationary setup would suffice. Desktops often have more options for additional ports, while laptops with serial ports are less common. I noted this in my decision-making process. Checking Compatibility Compatibility was a major factor in my search. I ensured that the operating system of the computer I was considering supported the software I needed to run with my serial-connected devices. This step helped me avoid potential issues down the line. Evaluating Port Availability Some computers come with built-in serial ports, while others may require the addition of an expansion card. I made sure to check how many serial ports I might need for my devices and whether the computer I was looking at could accommodate that. It was crucial to confirm the type of serial port as well, such as RS-232, to match my devices. Considering Build Quality and Reliability I wanted a computer that would be reliable for long-term use, especially if I was connecting it to critical devices. I researched the build quality of potential computers. A sturdy construction often translates to better durability and reliability, which was important for my needs. Budgeting Wisely Setting a budget was another important step for me. I wanted to ensure I was getting the best value for my investment. While computers with serial ports might be harder to find, I kept in mind that I could find options at various price points. Balancing cost with features was key. Reading Reviews and Gathering Feedback Before finalizing my choice, I looked for reviews and user feedback. Hearing from others who had similar needs was invaluable. I found that real-world experiences often highlighted strengths and weaknesses that specifications alone couldn’t convey. Future-Proofing My Purchase Lastly, I considered the future. I thought about potential upgrades and whether the computer could support additional ports or newer technologies down the line. This foresight helped me feel more confident in my decision. finding a computer with a serial port required careful consideration and research. By assessing my needs, checking compatibility, and evaluating the right options, I was able to make an informed choice that suited my requirements. I hope this guide helps you on your journey to find the perfect computer for your needs. Author Profile Leow Garren I'm Leow Garren, an entrepreneur with deep roots in the construction and hospitality sectors. Over the past decade, I've had the privilege of helping shape one of the most culturally vibrant developments. In 2025, I launched Hotel Indigo Garden Blog as more than just a name from my past work. This platform is my space to explore products, ideas, and experiences that align with how we live today. It’s not about selling. It’s about understanding. Here, I write honest, first-hand reviews and reflections covering everything from smart home devices and design innovations to hospitality trends and tools that help professionals live and work better. Latest entries May 10, 2025Personal RecommendationsHow I Transformed My Home: The Ultimate Guide to Using Furniture Grippers for Hardwood Floors May 10, 2025Personal RecommendationsDiscovering the Best Dog Toys for Labradors: My Expert Recommendations from Years of Experience May 10, 2025Personal RecommendationsWhy I Trust Pure Balance Salmon Dog Food: A Pet Owner’s Expert Review and Experience May 10, 2025Personal RecommendationsTransforming My Workspace: How a Corner Desk for 2 Monitors Boosted My Productivity and Comfort