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Syba 8 Port RS-232 DB9 Serial M.2 B+M Key Controller Card - SI-ADA15071
- High-Performance UART Technology: The XR17V358 chipset is a true marvel of engineering, boasting 8 independent enhanced 16550 compatible UARTs. These UART channels are optimized for speed and precision, featuring 256-byte TX and RX FIFOs, a programmable Fractional Baud Rate Generator, and Automatic Hardware or Software Flow Control. With data rates reaching up to 31.25Mbps, you can expect lightning-fast data transmission.
- Seamless Integration: The V358 chipset seamlessly integrates into your system as a single-lane PCIe bridge, providing a total of 8 UART channels, all while complying with PCIe 2.0 Gen 1 (2.5GT/s) standards. This means you can effortlessly connect multiple serial devices and enjoy robust communication without sacrificing performance.
- Versatile Multi-Purpose I/Os: Beyond UART channels, the V358 chipset offers 16 multi-purpose I/Os (MPIOs) to accommodate various peripherals and sensors.
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High-Performance UART Technology: The XR17V358 chipset is a true marvel of engineering, boasting 8 independent enhanced 16550 compatible UARTs. These UART channels are optimized for speed and precision, featuring 256-byte TX and RX FIFOs, a programmable Fractional Baud Rate Generator, and Automatic Hardware or Software Flow Control. With data rates reaching up to 31.25M bps, you can expect lightning-fast data transmission.
Seamless Integration: The V358 chipset seamlessly integrates into your system as a single-lane PCIe bridge, providing a total of 8 UART channels, all while complying with PCIe 2.0 Gen 1 ( 2.5GT /s) standards. This means you can effortlessly connect multiple serial devices and enjoy robust communication without sacrificing performance.
Seamless Integration: The V358 chipset seamlessly integrates into your system as a single-lane PCIe bridge, providing a total of 8 UART channels, all while complying with PCIe 2.0 Gen 1 ( 2.5GT /s) standards. This means you can effortlessly connect multiple serial devices and enjoy robust communication without sacrificing performance.
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund until: January 31, 2027
- Return for replacement until: January 31, 2027
- This item is covered by Newegg.com's Extended Holiday Return Policy.
- Read full return policy for details.
We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-909-548-7706
- Support Email: support@sybausa.com
- Support Website
- View other products from Syba
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The Syba SI-ADA15071 is an M.2 B+M Key controller card that adds eight DB9 RS-232 serial ports, making it suitable for industrial automation, telecommunications, and other setups that need multiple serial-device connections.
Recommended For
- Industrial automation and process-control teams adding several RS-232-connected controllers or instruments to a compact computer with a compatible M.2 B+M Key slot.
- Point-of-sale system builders connecting multiple legacy serial peripherals, such as equipment that requires dedicated RS-232 ports.
- Embedded-computer integrators who need eight separate hardware serial channels in a system where a conventional expansion card is not the chosen form factor.
- Administrators of fixed remote-access or storage-management systems that need multiple directly attached serial connections for equipment management.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | Desktop systems that need eight DB9 serial connections for connecting multiple serial devices |
| Serial Connectivity And Interface | Eight serial ports on an M.2 B+M Key module with DB9 connectors |
| System Compatibility | Compatible with desktop computers; supports Windows 10 or higher and Ubuntu 19.04 or higher |
| Package Contents | One 8-port Serial DB9 M.2 B+M Key module, one driver CD, and one manual |
| Physical Details | Black; item and package weight listed as 0.5 lb; package dimensions are 5.5 × 4 × 1 inches |
| Model Identifiers | SYBA SI-ADA15071 |
| Safety Information | California Proposition 65 warning type: on_product_reproductive |










