StarTech.com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Interface Card MPN:21050-PC-SERIAL-CARD

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Brand: Startech.com
Part #: 21050-PC-SERIAL-CARD
UPC: 065030894760
SKU
312-9420530
StarTech.com 2-Port PCI Express Serial Card, Dual Port PCIe to RS232 (DB9) Serial Interface Card MPN:21050-PC-SERIAL-CARD

Upgrade your desktop computer or Small Form Factor (SFF) system with this two-port serial card, providing a reliable and high-speed serial communication solution. Ideal for logistics, manufacturing, and freight sectors, as well as the IT industry, this card enables control and communication with serial peripheral devices. With bi-directional speeds up to 921.6 Kbps per port and 256-byte FIFO, it's perfect for POS equipment, security systems, A/V installations, and more. The card is compatible with Windows and Linux systems and comes with free lifetime technical assistance, making it the IT pro's choice for system upgrades and legacy device connectivity.

Top product features:

  • Dual ports with 16C1050 UART support
  • 256-byte FIFO (transmit/receive) for improved data transfer
  • Supports baud rates up to 921.6 Kbps per port for fast communication

Top product applications:

  • Server rooms
  • Industrial control/automation
  • Logistics
Baud Rate 921.6 Kbps per Port - 256-byte FIFO - PCIe 2.0 x1 Add serial communication support to your desktop computer or Small Form Factor (SFF) system, using this two-port serial card. RS-232 (DB9) support enables control and communication with a serial peripheral device. 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-CARD is backed for 2-years by StarTech.com, including free lifetime 24/5 multi-lingual technical assistance. THE IT PROs 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 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. Low-profile brackets are 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 and 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 PCIE TO SERIAL: Connect serial RS232 (DB9) devices to a computer with this 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

Features

  • Brand Name: StarTech.com
  • Manufacturer: STARTECH.COM
  • Model: 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-CARD)
  • Quantity: 1
  • Total Quantity: 1 Network Cards

Additional Information

  • Country of Origin: TW
  • UNSPSC Code: 43201552
  • UNSPSC Commodity: Hardware or telephony adapters
  • Green: No
  • Recycled Content: FALSE
  • Hazardous: No
  • Prop 65: No
  • MSDS URL: nan
  • Package Length: 8.00
  • Package Width: 6.00
  • Package Height: 2.00
  • Package Weight: 0.35
Product info last updated on February 13, 2026 8:33am UTC Category: Networking and Cables
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