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Low Stock. Can Ship Monday- Details

StarTech 1 Port PCI Express DB9 RS232 Serial Adapter Card

Save $23.00 off RRP

Genuine NZ new item

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Today's Price:

$121.89incl gst

Free Delivery

Low Stock. Can Ship Monday- Details

Estimated Delivery Time

  • Auckland
    1 Day
  • North Island
    1-2 Days
  • South Island
    1-3 Days

Product Description:

Special Product Offer:

Receive an additional 7% discount on any Startech quote when requesting a minimum of 5 units for Government & Public Sector Agencies/Organisations. Please state your organisation details when requesting a quote from our team. T&C apply.

StarTech 1 Port PCI Express DB9 RS232 Serial Adapter Card

This RS232 Serial Adapter Card lets you add an RS232 DB9 serial port 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
• 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
• 128-byte depth FIFO per transmitter and receiver
• Supports 9, 8, 7, 6, 5 data bits
• Asix AX99100 chipset
• PCI Express 1.1 compliant


• Bus Type: PCI Express
• Card Type: Low Profile (SP bracket incl.)
• Chipset ID: Asix AX99100
• Interface: Serial
• Port Style: Integrated on Card
• Ports: 1

• Data Bits: 5, 6, 7, 8, 9
• FIFO: 256 Bytes
• Flow Control: None, Xon/Xoff, RTS/CTS
• Max Baud Rate: 921.6 Kbps
• Parity: None, Odd, Even, Space, Mark
• Serial Protocol: RS-232
• Stop Bits: 1, 1.5, 2

• Connector Type(s): 1x PCI Express x1 Male
• External Ports: 1x DB-9 (9 pin, D-Sub) Male
• Internal Ports: 1x LP4 (4 pin; Large Drive Power) Male Input

• Humidity: 20~80% RH
• Operating Temperature: 0°C to 70°C (32°F to 158°F)
• Storage Temperature: -20°C to 80°C (-4°F to 176°F)

Physical Characteristics:
• Product Height: 15 cm
• Product Length: 98 mm
• Product Width: 67 mm
• Weight of Product: 44 g
• Color: Green
• Material: Steel

• Input Voltage: 12V DC
• Output Voltage: 12V DC


OS Compatibility:
• Microsoft WHQL Certified: Yes
• Windows 7, 8, 8.1, 10, 11
• Windows Server 2003, 2008 R2, 2012, 2012 R2, 2016, 2019, 2022
• Linux 2.4.x and up LTS Versions only

• Selectable power output on pin 9 of the serial port

Package Contents:

• 1x PCIe Serial Card
• 1x Full-Profile Bracket
• 1x User Manual

Questions & Answers

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Additional Details:

  • Stock Availability: 2 In Stock Now
  • Warranty: Lifetime
  • Manufacturer: StarTech Shop
  • Product Found In: Add On Cards
  • Model Number: PEX1S953LP
  • Part Number: T43464