Startech 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Interface Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windows & Linux
PCIe to Dual DB9 Card (21050-PC-SERIAL-LP) | Serial adapter | PCIe 2.0 low profile | RS-232 x 2 | yellow
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Main Specification
| Product Description | Startech 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Interface Card, 16C1050 UART, Standard or Low Profile Brackets, COM Retention, For Windows & Linux - PCIe to Dual DB9 Card (21050-PC-SERIAL-LP) - serial adapter - PCIe 2.0 - RS-232 x 2 |
|---|---|
| Device Type | Serial adapter |
| Form Factor | Plug-in card - low profile |
| Interface (Bus) Type | PCI Express 2.0 x1 |
| PCI Specification Revision | PCIe 2.0 |
| Ports | RS-232 x 2 |
| Dimensions (WxDxH) | 6.6 cm x 6.7 cm x 1.8 cm |
| Data Link Protocol | RS-232 |
| Data Transfer Rate | 921.6 Kbps |
| Compliant Standards | 16C1050 UART |
| Colour | Yellow |
| System Requirements | Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows 7 / 8 / 8.1 / 10 / 11, Linux 2.6.13 or later |
| Manufacturer Warranty | 2-year warranty |
General
| Device Type | Serial adapter |
|---|---|
| Form Factor | Plug-in card - low profile |
| Interface (Bus) Type | PCI Express 2.0 x1 |
| PCI Specification Revision | PCIe 2.0 |
Networking
| Ports | RS-232 x 2 |
|---|---|
| Connectivity Technology | Wired |
| Data Link Protocol | RS-232 |
| Data Transfer Rate | 921.6 Kbps |
| Status Indicators | Status |
| Features | 256-byte FIFO |
| Compliant Standards | 16C1050 UART |
Expansion / Connectivity
| Interfaces | 2 x RS-232 - 9 pin D-Sub (DB-9) - male (external) |
|---|
Miscellaneous
| Included Accessories | Low-profile bracket |
|---|---|
| Colour | Yellow |
Software / System Requirements
| OS Required | Microsoft Windows Server 2016, Microsoft Windows Server 2019, Microsoft Windows 7 / 8 / 8.1 / 10 / 11, Linux 2.6.13 or later |
|---|
Dimensions & Weight
| Width | 6.6 cm |
|---|---|
| Depth | 6.7 cm |
| Height | 1.8 cm |
Dimensions & Weight (Shipping)
| Shipping Width | 20.7 cm |
|---|---|
| Shipping Depth | 14.4 cm |
| Shipping Height | 3.8 cm |
Manufacturer Warranty
| Service & Support | Limited warranty - 2 years |
|---|
Environmental Parameters
| Min Operating Temperature | 0 °C |
|---|---|
| Max Operating Temperature | 55 °C |
| Humidity Range Operating | 5 - 95% |
Product features
Legacy Connectivity
Install this card to enable the continued use of legacy serial devices, preventing down time and avoiding costly upgrades. The 2-port PCIe serial card is ideal for system upgrades in a wide range of applications for logistics, manufacturing, and freight sectors, and the IT industry, such as POS equipment, security systems, A/V installations, and more.Connect with Ease
The RS-232 card features dual ports with 16C1050 UART support, 256-byte FIFO (transmit/receive), bi-directional speeds up to 921.6 Kbps per port, low-profile brackets are included for SFF systems, and serial port LED status lights. In addition, it supports Windows and Linux systems for maximum compatibility. 21050-PC-SERIAL-LP is backed for 2-years by StarTech.com, including free lifetime 24/5 multi-lingual technical assistance.Key selling points
- PCIE TO SERIAL: Connect serial RS232 (DB9) devices to a computer with this low profile PC serial card; Features support for high performance 16C1050 UART on both DB9 male ports; Monitor activity with the built-in LED status lights on the PCI express DB9 card
- DEVICE COMPATIBILITY: Use this serial interface card to connect barcode readers/scanners, receipt printers, scales, PLCs, medical devices, etc; The UART PCIe card supplies 5V or 12V power over pin 9; Full-profile bracket included
- APPLICATIONS: This card is ideal for IT applications such as server rooms, industrial control/automation, logistics, and laboratories; Continue using legacy hardware with this RS232 PCIe card; DB9 ports accept screw locking serial cables
- DUAL SERIAL PORT CARD SPECS: 16C1050 UART, Max Baud 921.6 Kbps per Port, 256 Byte FIFO, COM Retention, Supports Windows/Linux, ASIX AX99100 Chipset, Odd/Even/Mark/Space/None Parity Modes, 5/6/7/8/9 Data Bits, PCIe 2.0 x1, Low-Profile Brackets Installed
- THE IT PRO'S CHOICE: Designed and built for IT Professionals, this PCIe to RS232 card is backed for 2-years, including free lifetime 24/5 multi-lingual technical assistance
References
MPN: 21050-PC-SERIAL-LP
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04/06/2026 01:21:20