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Low-profile PCIe card with two serial ports and status light

STARTECH

STARTECH 21050-PC-SERIAL-LP dual serial adapter

SKU CH-XG4K-PXA89 MPN 21050-PC-SERIAL-LP

Adds two serial ports via PCI Express using a 16C1050 UART with 5V and 12V status indicators

  • 16C1050 UART handles serial traffic reliably
  • Status lights show 5V and 12V line state
  • Low-profile bracket fits compact chassis
  • PCI Express interface adds two serial ports
  • StarTech model 21050 listed August 2024

Product Identity

The STARTECH 21050-PC-SERIAL-LP is a PCI Express dual serial port adapter built around a 16C1050 UART. It provides two serial interfaces with 5V and 12V status indicators for system integration tasks.

Suitable Users

This card suits builders adding legacy serial ports to a modern motherboard via a PCIe slot. It does not suit systems without an available PCIe expansion slot or users who need USB-based serial connectivity instead.

Deciding Specification

The 16C1050 UART defines the serial communication capability of this adapter. Buyers should confirm that this UART meets the requirements of their target serial devices before purchasing.

Highlights

  • 16C1050 UART handles serial traffic reliably
  • Status lights show 5V and 12V line state
  • Low-profile bracket fits compact chassis
  • PCI Express interface adds two serial ports
  • StarTech model 21050 listed August 2024

Specifications

BrandSTARTECH
Shipping weight0.91 kg
Package size208 × 145 × 41 mm

Questions about this item

How do I confirm the 16C1050 UART card is working after installation?

Check that the 5V/12V status light on the bracket is illuminated and the two serial ports appear in Device Manager.

What comes in the box and what must I source separately?

The package contains the low-profile PCIe card with two DB9 ports; cables and mounting brackets are not included.

Which version should I choose for a standard PCIe slot?

The 21050-PC-SERIAL-LP is a single PCIe x1 dual-serial model; no other capacity or version is offered for this part number.

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