Gearmo - 4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate - Black
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About this product
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.
Features
Connect four serial devices with one USB port
Add four RS-232 ports to your setup using just a single USB Type-A connection. Ideal for linking legacy equipment like CNC machines, barcode scanners, or POS systems.
No external power required
The adapter draws power directly from your USB port, so no extra power supply is needed for true plug & play convenience.
Fast and stable data transfers
Transfer data at speeds up to 921.6Kbps, perfect for high-performance tasks from automation systems to data logging and more.
Flexible reach with 3 foot cable length
Integrated 3 foot cable offers just the right amount of reach for tidy, efficient setups - perfect for desktop, rack, or tight-space configurations.
Broad OS compatibility
Works seamlessly with Windows 7 through Windows 11, macOS, and Linux.
Specifications
- Connector Type (End 1)USB-AConnector Type (End 2)D-Sub (DB-9)
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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.

The 4-Port USB to Serial RS-232 Adapter is a compact, rugged solution for adding reliable COM ports to modern computers and devices. Built with a durable metal housing and the trusted FTDI chipset, it ensures stable performance across Windows, macOS, and Linux systems. Supporting baud rates up to 921.6 Kbps, automatic handshake, and consistent COM port retention, it’s ideal for GPS, printers, modems, CNC machines, PLCs, and other industrial equipment. Designed for flexible installation, the hub includes DIN-rail clips and surface mounting flanges, while built-in 15kV ESD and 600W surge protection keep connected devices safe. With LED indicators for real-time monitoring and plug-and-play convenience powered directly from your computer’s USB port, this hub delivers dependable serial connectivity for demanding environments.

Extend the length of your USB cable with the Best Buy essentials 12' USB 2.0 A-Male to A-Female Extension Cable. With a simple plug-and-play connection, just insert the male connector into your device’s USB port and your existing USB cable into the other end and enjoy the extension with no additional setup required. Supporting data transfer speeds up to 480 Mbps, you can trust that this extension cable will deliver the speed you need. With 12 ft. in length, it allows flexible placement options and reach. Because we deliver durability, nickel-plated connectors ensure lasting usability you can count on.

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| Pros for Gearmo - 4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate - Black | |||
|---|---|---|---|
| There were no pros for this product— | There were no pros for this product— | Length, Overall Performance, Functionality, USB, Price | There were no pros for this product— |
| Cons for Gearmo - 4-Port USB to Serial Adapter COM Retention FTDI Chipset 920K Baud Rate - Black | |||
| There were no cons for this product— | There were no cons for this product— | Speed | There were no cons for this product— |
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