Lekuo M.2 to 4-Port RS-232 Serial Card
✦ Key Features
- ⚡ Fast Data Transfer: Up to 230400bps for efficient data handling
- 💻 Wide Compatibility: Works with both Windows and Linux systems
- 📐 Compact Size: Small 80x22mm design for space-saving installation
📋 Product Specifications
Model: IO-M2F384-4S
Input Interface: M.2 (B+M Key)
Output Interface: 4 × RS232 DB9
Motherboard Slot: M.2 (B+M Key)
Transmission Rate: 230400bps
Product Size: 80 × 22mm
Chipset: WCH384L
🔧 Technical Details
| Model | IO-M2F384-4S |
| Chipset | 16C550, 16C570 compatible |
| Interface | PCI Express 1.1 |
| Number of Ports | 4 × RS-232 |
| Data Transfer Rate | Up to 230400bps |
| UART | 256-byte FIFO (Transmit/Receive) |
| Supported Signals | CTS, DSR, RI, DCD, DTR, RTS |
| Signal/Power Output | RS-232 signal or power to serial devices |
| OS Compatibility | Windows, Linux Kernel 2.4 & 2.6 or above |
| Dimensions | 80 × 22 mm |
📦 Package Contents
- ✓ 1 × M.2 M+B Key to 4 × RS-232 Serial Adapter Card
- ✓ 4 × Serial Cables
- ✓ 1 × User Manual
📥 Driver Download
Download the official WCH382_384 driver for Windows and Linux
⬇ Download Driver Package✓ Free Download • ✓ Windows & Linux Support • ✓ Latest Version
❓ Frequently Asked Questions
Q: Is this card compatible with my motherboard?
A: This card requires an available M.2 slot with B+M Key support. It's compatible with most modern motherboards that have M.2 slots. Please check your motherboard specifications to ensure you have an available M.2 B+M Key slot before purchasing.
Q: Do I need to install drivers?
A: Yes, drivers are required for proper functionality. The WCH382_384 driver package is available for download above. The card supports plug-and-play installation, but you'll need to install the appropriate driver for your operating system (Windows or Linux) to enable all features.
Q: What operating systems are supported?
A: This card is compatible with Windows (all modern versions) and Linux (Kernel 2.4, 2.6, and above). The driver package includes support for both operating systems.
Q: Can all 4 ports be used simultaneously?
A: Yes, all 4 RS-232 serial ports can operate simultaneously at full speed (up to 230400bps per port). Each port has its own dedicated 256-byte FIFO buffer for reliable data transmission.
Q: What cables are included in the package?
A: The package includes 4 serial cables (one for each port), allowing you to connect your RS-232 devices immediately. You also receive a user manual with installation instructions.
Q: What is the maximum data transfer rate?
A: Each port supports data transfer rates up to 230400bps (bits per second). This high-speed performance is suitable for most serial communication applications.
Q: Will this work with my M.2 NVMe slot?
A: This card requires an M.2 B+M Key slot, not an M.2 M Key (NVMe-only) slot. Please verify your motherboard has a B+M Key slot. Most motherboards have at least one B+M Key slot that supports both SATA and PCIe devices.