
$6.99 shipping to
This 4-Port Serial Adapter with high-quality FTDI chipset lets you instantly add four reliable RS-232 serial ports to your computer. Each port is protected by built-in 15kV surge and static protection to safeguard your data and devices. Designed for smooth plug & play installation, it requires no external power or manual configuration. The adapter supports high-speed data transfers up to 921.6kbps and works seamlessly with Windows 7 through 11, macOS, and Linux. Ideal for connecting everything from printers and scanners to CNC machines, PLC controllers, modems, and other serial peripherals.
This product doesn't have any reviews yet.

This 4-Port Serial Adapter with high-quality FTDI chipset lets you instantly add four reliable RS-232 serial ports to your computer. Each port is protected by built-in 15kV surge and static protection to safeguard your data and devices. Designed for smooth plug & play installation, it requires no external power or manual configuration. The adapter supports high-speed data transfers up to 921.6kbps and works seamlessly with Windows 7 through 11, macOS, and Linux. Ideal for connecting everything from printers and scanners to CNC machines, PLC controllers, modems, and other serial peripherals.

This Insignia NS-PU99501 cable allows you to connect a device with an RS-232 (DB9) serial port to a USB hub or USB-equipped PC or Mac and supports data transfer rates of more than 115 Kbps for rapid performance.

The USA-FTDI-36 USB to RS232 36 Inch Serial Adapter is a simple, reliable way to add a COM port to your computer for GPS, modems, printers, scanners, digital cameras, and other RS232-based devices. Built with an FTDI FT232RQ chipset, it delivers stable performance and fast communication with a high-speed UART, 128-byte TX FIFO, and 384-byte RX buffer. The plug-and-play design requires no IRQ, DMA, or I/O resources, allowing hassle-free installation and eliminating conflicts when connecting multiple devices. Powered directly by USB, this adapter provides TX/RX and GND signals without the need for external power. With Windows 11, macOS, and Linux compatibility, plus a convenient 36 inch cable length, it’s a versatile solution for expanding serial connectivity with ease.

The Best Buy essentials 6’ HDMI-to-DVI-D Monitor Cable mirrors or extends your computer’s desktop. Simply connect the cable from your computer’s single-link DVI-I or DVI-D port to a HDMI-enabled display. Compatible with monitors, TVs, projectors and more, resolutions from your computer’s single-link DVI-I or DVI-D port up to 1920 × 1200 grant you optimal high-quality images that leave everyone impressed. Nickle-plated connectors with PVC molding make this cable corrosion resistant and give it long-lasting use. Providing flexible placement options, a 6 ft. cable gives you the ideal length to reach your devices. And the cable is backed by Best Buy, so you can have confidence in your computer’s setup.
| Pros for Gearmo - 4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate - Black | |||
|---|---|---|---|
| There were no pros for this product— | Overall Performance, Compatibility, Ease of use, Price, USB | There were no pros for this product— | Overall Performance, Compatibility, Price, Ease of use, HDMI |
| Cons for Gearmo - 4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate - Black | |||
| There were no cons for this product— | Cable Length | There were no cons for this product— | Lag, Resolution |