PEX2S953LP - Startech 2-port PCI Express RS232 Serial Adapter | Aztek Computers
29+Years
SKU: DLZRGT9CPV |  Mfg. Part: PEX2S953LP  | UPC: 065030881166  |  0 Reviews  |     Share

PEX2S953LP - Startech 2-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Pr

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$75.44  $101.84
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Product Overview

StarTech.com 2-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Profile - Windows and Linux

Expert Overview

The StarTech.com 2-port PCI Express RS232 Serial Adapter Card adds two RS232 (DB9) serial ports to a computer via an available PCI Express slot. This adapter is designed for IT professionals and businesses requiring reliable serial connectivity for legacy or specialized peripherals. It facilitates interaction with devices such as card readers, printers, PIN pads, and modems. The card supports bi-directional speeds up to 921.6Kbps per port and features a 256-byte FIFO depth for both transmitter and receiver, utilizing a 16950 UART and Asix AX99100 chipset. Compatibility extends to Windows and Linux operating systems, making it suitable for diverse IT environments. The PEX2S953LP includes a pre-installed low-profile bracket and an optional full-profile bracket for flexible installation in various case form factors. It also offers configurable 5V/12V power output on Pin 9, with up to 2A total, for powering connected serial devices.

Technical Specifications

General Information
Manufacturer:StarTech.com
Manufacturer Part Number:PEX2S953LP
Manufacturer Website Address:http://www.startech.com
Brand Name:StarTech.com
Product Name:2-Port RS232 Serial Adapter Card with 16950 UART
Marketing Information:

This RS232 Serial Adapter Card lets you add two RS232 (DB9) serial ports to your computer through a PCI Express (PCIe) slot. It enables you to interact with serial devices, such as card readers, printers, PIN pads, and modems, at speeds of up to 921.4Kbps.

Maximum Compatibility

With broad OS support, including for Windows and Linux, this PCI Express card is easy to integrate into mixed environments. The card comes pre-configured with a low-profile bracket, and includes an optional full-profile bracket, so installation is easy regardless of the case form factor.

Experience Optimal Technology

This PCIe to serial adapter supports the following features:

  • Compatible with industry standard 16950 UART
  • Supports max baud rate of up-to 921.4Kbps
  • Provides 5/12V power output on Pin 9 when external power is connected
  • 256-byte depth FIFO per transmitter and receiver
  • Supports 9, 8, 7, 6, 5 data bits
  • Asix AX99100 chipset
  • PCI Express 1.1 compliant

PEX2S953LP is backed by a StarTech.com lifetime warranty and free lifetime technical support.


Packaged Quantity:1
Product Type:Serial Adapter
Technical Information
Host Interface:PCI Express
Platform Supported:
  • PC
  • Linux

Interfaces/Ports
Number of Serial Ports (External):2
Physical Characteristics
Form Factor:Plug-in Card
Card Height:Low-profile
Miscellaneous
Package Contents:
  • 2-Port RS232 Serial Adapter Card with 16950 UART
  • 1 x Full-Profile Bracket
  • 1 x User Manual

Environmentally Friendly:Yes
Environmental Certification:
  • RoHS
  • REACH
  • WEEE

Country of Origin:Taiwan
Warranty
Limited Warranty:Lifetime

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • TAA Compliant:
  • Country of Origin:
  • STARTECH
  • PEX2S953LP
  • B07Q8TJ2JC
  • 065030881166
  • New
  • 21.25 lbs
  • 7 X 5 X 6
  • Today - Sep 05, 2026
  • Sep 05, 2019
  • Yes
  • TW
Product Identifiers: Brand: Startech • Part #: PEX2S953LP • UPC: 065030881166 • ASIN: B07Q8TJ2JC • Category: Port Expansion Cards • TAA Compliant

Frequently Asked Questions

What operating systems are compatible with this serial adapter card?

This PCI Express serial adapter card offers broad operating system support, including compatibility with both Windows and Linux environments.

What is included in the package with the serial adapter card?

The package includes the 2-Port RS232 Serial Adapter Card with 16950 UART, one full-profile bracket (in addition to the pre-installed low-profile bracket), and a user manual.

Can this card provide power to connected serial devices?

Yes, this adapter card can provide 5V or 12V power output on Pin 9, with up to 2A total, when an external power source is connected to the card.

What is the maximum baud rate supported by each serial port?

Each serial port on this adapter card supports a maximum baud rate of up to 921.6Kbps.

PEX2S953LP - Startech 2-port PCI Express RS232 Serial Adapter Card - PCIe Serial DB9 Controller Card 16950 UART - Low Pr

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