Best VGA Serial Adapters of 2026

The BENFEI USB to RS232 Male Serial Adapter allows you to connect serial devices such as modems, barcode scanners, and PDAs to your computer through a USB port. It features a standard USB Type A Male to Male 9-pin DB9 RS-232 serial connector and has a data transfer rate of 1Mbps. The adapter is compatible with a wide range of platforms, including Windows, MacOS, and Linux, and it comes with a Prolific PL-2303 chipset. The triple shielding and tinned copper conductor ensure the best data transfer rate, and it's powered by the USB port so there's no need for an external power adapter.

The JSAUX DisplayPort HDMI Adapter lets you easily connect your DisplayPort-enabled device to an HDMI display with stunning clarity. It supports up to 4K resolution at 30Hz, providing sharp and vibrant visuals for your monitor or TV. If you want smoother motion at lower resolutions, it also supports 2K at 60Hz and 1080p at 120Hz, perfect for gaming or video playback. You won’t need any drivers or software to get started—just plug it in and go, making setup quick and hassle-free. Plus, the adapter’s durable build with gold-plated connectors ensures long-lasting performance and reliable connections for your devices.

The StarTech.com USB to RS232 Serial DB9 Adapter Cable is a professional-grade solution that offers broad compatibility for connecting legacy or industrial RS232 serial devices to a laptop or desktop computer through USB. The adapter retains assigned serial COM port values in nonvolatile memory to automatically be assigned to the adapter serial port if disconnected and reconnected. With versatile functionality, this USB serial adapter is used to connect, monitor, and control industrial sensors and equipment, as well as control LED and digital signage boards.

The OIKWAN USB to RS232 Adapter with FTDI Chipset is a high-quality, reliable and convenient solution for connecting serial devices to your Windows, MAC or Linux system. The latest FTDI chipset ensures fast and stable operation, while the gold-plated USB RS232 connector and PVC cable provide excellent performance and durability. With plug-and-play installation, this USB-powered adapter cable supports a transfer rate of up to 1Mbps and can be used with a wide range of devices, including modems, scanners, printers and more.

The OIKWAN USB Serial Adapter is designed to connect your serial DB9 devices, like modems or printers, to a USB port on your computer. It features a 9-pin female connector, ensuring compatibility with your devices. With its FTDI chipset, this adapter supports a wide range of operating systems, including Windows and Mac OS, making it versatile for various users. The plug-and-play functionality means you can easily start using it without additional power sources, as it draws power directly from your computer. This convenience allows you to streamline your connections quickly and efficiently.

The DTech USB to RS232 DB9 Serial Port Adapter Cable allows your devices equipped with 9 pin female RS232 interface to communicate with your computer. The long FTDI serial cable supports Windows 11,10, 8, 7, Mac OS 8 or higher, and Linux 2.4.0 and later. This adapter is designed with a high-performance quality processor chip (FT232RL) which makes it one of the most reliable adapters on the market. The 10ft DB9 RS232 to USB adapter with a 9 pin male to USB-A male gold plated connector is beautiful and strong with blue enrich injection.

The OIKWAN USB RS232 Adapter is a handy tool that helps you connect your computer to various serial devices with a 9-pin female RS232 interface. Before buying, make sure the 9-pin male connector fits your device to avoid compatibility issues. This adapter is not a VGA cable, so it’s designed specifically for serial communication. It supports many devices like cash registers, scanners, and industrial machines, making it versatile for different uses. Plus, it works with multiple operating systems, including Windows, Mac OS, and Linux, giving you flexibility no matter your setup. Just download the driver from the official FTDI or Cisco website to get started easily.

The DTech USB to Serial Adapter with FTDI Chipset allows you to connect a PC without a serial port to a serial device via USB, adding a 9 pin port to your laptop or desktop. This portable adapter is USB-powered and designed for easy connectivity for serial plug devices. It is compatible with Windows 11, 10, 8, 7, Mac OS8 or higher, and Linux 2.4.0 and later. The 10ft cable has a standard pinout, and the high-performance quality processor chip (FT232 Chipset) makes it one of the most reliable adapters on the market.

The DTech 6ft USB to RS232 DB9 Female Adapter Cable enables you to connect serial devices to your computer via USB. The adapter is compatible with devices such as PCs, routers, GPS systems, barcode scanners, modems, and digital cameras, among others. The cable features a standard USB Type A Male connector and a 9-pin DB9 Female RS-232 serial connector. It also includes the Prolific PL-2303 chipset, which ensures compatibility with a range of systems, including Windows 11, 10, 8, 7, XP, Vista, 2000, 98, MacOS8 or higher, Linux 2.4.0 and later, and other platforms. Please note that the adapter is only compatible with devices that have a 9-pin Male Port.

The DTech DB9 to RJ45 Serial Adapter is an affordable and straightforward solution for serial data communication between RS232 COM port devices with standard 9 Pin D-sub RS-232 Devices including computers, printers, and routers. The bi-directional converter can extend RS232 serial signals up to 65ft using a pair of DB9 to RJ45 socket couplers. The adapter features thumbscrews for secure connection and is compatible with inexpensive cat5 or cat6 RJ45 network cables.