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StarTech.com PEX1S953LP 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows, macOS, Linux

PB Tech price
PB Tech price
$ 79 .06
 +GST
$ 86 .96
 inc GST
$79.06  +GST
$86.96

StarTech.com PEX1S953LP 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows, macOS, Linux

  • Brand: StarTech.com
  • MPN: PEX1S953LP
  • Part #: ADPSTT4505145
  • UPC: 065030881159
PB Tech price
$ 79 .06 $ 86 .96
 +GST  inc GST


Delivery: Order now and it ships on 19 Sep
Express Delivery Times
Metro - Within 2-3 working days
Rural - Within 3-5 working days

Standard Delivery Times
NSW, VIC, ACT, QLD - Within 3-7 working days
SA, WA, TAS, NT - Within 5-10 working days

View all shipping info
$79.06  +GST
$86.96
  • Brand: StarTech.com
  • MPN: PEX1S953LP
  • Part #: ADPSTT4505145
  • UPC: 065030881159

Port Type

N/A

Number of Ports

1

Features

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

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
- 128-byte depth FIFO per transmitter and receiver
- Supports 9, 8, 7, 6, 5 data bits
- Asix AX99100 chipset
- PCI Express 1.1 compliant
- PEX1S953LP is backed by a StarTech.com lifetime warranty and free lifetime technical support.

Applications

- Install in home or office workstationsConnect in retail POS applications
- Connect to automated self-service kiosks or ATM machines
- Interact with RS232 serial devices like card readers or printers

Specifications

Hardware

Bus Type 

PCI Express

Card Type 

Low Profile (SP bracket incl.)

Chipset ID 

Asix AX99100

Interface 

Serial

Port Style 

Integrated on Card

Ports 

1

Performance

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

Connector Type(s) 

1 - PCI Express x1 Male

External Ports 

1 - DB-9 (9 pin, D-Sub) Male

Internal Ports 

1 - LP4 (4 pin; Large Drive Power) Male Input

Software

Microsoft WHQL Certified 

Yes

OS Compatibility 

Windows® 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016
Linux 2.4.x to 2.6.x LTS Versions only

Special notes / Requirements

Note 

Selectable power output on pin 9 of the serial port

Enviromental

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 

5.9 in [15 cm]

Product Length 

3.9 in [98 mm]

Product Width 

2.6 in [67 mm]

Weight of Product 

1.6 oz [44 g]

Manufacturer Part No:
PEX1S953LP
Brand:
Product Type:
-
UPC
065030881159
Product Family:
-
Shipping Weight:
0.1 kg
PB Part No:
ADPSTT4505145
Product Model:
PEX1S953LP
Warranty: 12 months *
* Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.

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Delivery & Pick-up

Learn more about delivery time-frames over Christmas and the New Year period.

Shipping Costs

Shipping costs vary based on your location and the items being shipped and in some cases shipping may even be FREE.

To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost.

Shipping Security and Insurance

All orders shipped by PB Tech are sent via a courier with a signature required for each delivery. In some cases, and only where you have given the courier company permission to leave orders at a designated location, your order may be delivered without requiring a signature. All orders sent by PB Tech are fully insured in the unlikely event that your item(s) are damaged or go missing in transit.

Delivery Estimates

The delivery time-frame (in days) for each product we sell is detailed on the individual product page just to the right of the main product image. From when you place your order, for DHL express delivery in-stock products typically arrive within 2-3 working days for metro areas and 3-5 working days for rural areas. For Standard delivery in-stock products typically arrive within 3-7 working days for NSW, VIC, ACT, QLD and SA deliveries and 5-10 working days for WA, TAS and NT.

Overseas Shipments

If you are located in New Zealand, you can order directly from our New Zealand site www.pbtech.co.nz. If you are from another country you can order from www.pbtech.com

Returns & Warranty

7 day right of exchange

If you change your mind after making a purchase, or realise you have ordered the incorrect item, you can enjoy the peace of mind that we offer a 7 day exchange policy.

To exchange a product, goods must be sealed / unopened, with packaging in original condition, and accompanied by a valid receipt dated no more than 7 calendar days from when you request an exchange.

If there is not a suitable product that can be exchanged for your returned item you will be offered a credit on your account or gift card based on the value paid at the time of purchase.

Please note, items purchased on finance cannot be exchanged for a gift card.

 

Hassle free warranty service

If your product develops a fault within the manufacturer warranty period, you need to fill out our request a return form.

If your product develops a fault outside of the manufacturer warranty or PB Tech warranty period, we offer a full repair service and are an authorised repair agent for leading brands such as Samsung, HP, Toshiba, Lenovo and more.

 

Returning a product / making a warranty claim

To return a product to PB Tech, please complete our request a return form.

Or view our returns policy for more information.

StarTech.com PEX1S953LP 1-port PCI Express RS232 Serial Adapter Card - PCIe RS232 Serial Host Controller Card - PCIe to Serial DB9 - 16950 UART - Low Profile Expansion Card - Windows, macOS, Linux

  • Brand: StarTech.com
  • MPN: PEX1S953LP
  • Part #: ADPSTT4505145
  • UPC:065030881159
$79.06 Excluding GST $86.96 Including GST

Date Created: 12:21, 13-09-2025
Product URL: https://www.pbtech.com/au/product/ADPSTT4505145/StarTechcom-PEX1S953LP-1-port-PCI-Express-RS232-Se

Features

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

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
- 128-byte depth FIFO per transmitter and receiver
- Supports 9, 8, 7, 6, 5 data bits
- Asix AX99100 chipset
- PCI Express 1.1 compliant
- PEX1S953LP is backed by a StarTech.com lifetime warranty and free lifetime technical support.

Applications

- Install in home or office workstationsConnect in retail POS applications
- Connect to automated self-service kiosks or ATM machines
- Interact with RS232 serial devices like card readers or printers

Specifications

Hardware

Bus Type 

PCI Express

Card Type 

Low Profile (SP bracket incl.)

Chipset ID 

Asix AX99100

Interface 

Serial

Port Style 

Integrated on Card

Ports 

1

Performance

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

Connector Type(s) 

1 - PCI Express x1 Male

External Ports 

1 - DB-9 (9 pin, D-Sub) Male

Internal Ports 

1 - LP4 (4 pin; Large Drive Power) Male Input

Software

Microsoft WHQL Certified 

Yes

OS Compatibility 

Windows® 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2012 R2, 2016
Linux 2.4.x to 2.6.x LTS Versions only

Special notes / Requirements

Note 

Selectable power output on pin 9 of the serial port

Enviromental

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 

5.9 in [15 cm]

Product Length 

3.9 in [98 mm]

Product Width 

2.6 in [67 mm]

Weight of Product 

1.6 oz [44 g]

Date Created: 12:21, 13-09-2025
Product URL: https://www.pbtech.com/au/product/ADPSTT4505145/StarTechcom-PEX1S953LP-1-port-PCI-Express-RS232-Se