Some cookies are essential to ensure our website works for you. You may block or delete all cookies from this site but parts of the site may not work. To find out more about how we use cookies, see our privacy statement.

OK

×

Are you in the United States?

Visit our U.S.A. & International site for relevant pricing, distribution and product availability information.

Go to StarTech.com

Browse Products...

4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485

Product ID: PEX4S232485

Add two RS232, and two RS422/485 serial ports to your PC through a PCI-Express expansion slot

Features
  • 4 port (2 x RS232, 2 x RS422/485) serial combo card

  • RS232 data transfer rates up to 460 Kbps

  • Supports 2-Wire / 4-Wire RS485 modes

More Features . . .
  • 256-byte deep FIFO per transmitter and receiver

  • Standard and low-profile bracket included

  • Compliant with PCI-Express Specification 1.0a

  • Supports PCI Power Management 1.1

Prices may be lower from Resellers:

CDWC MEMEXP ISTC BEST NEGGCA DIRD_C STAPCA

Retailers

BEST STAPCA
INGC SYNN ASICA DANC
Available in
$205.99 CDN

ID: PEX4S232485

In stock: ?
Canada: 7  |  USA: 83
tooltip

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our Canadian warehouse isn’t enough to fulfill your order, we will transfer the required stock from our US warehouse.


Reseller Pricing: Create an Account

Volume Order? Request a quote

The PEX4S232485 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 lets you add two RS232, and two RS422/485 serial ports to your PC through a PCI-Express expansion slot.

This PCI express serial card is a single card solution that is compatible with nearly any serial communication protocol, supporting RS-232, RS-422, RS-485 2-wire or RS-485 4-wire operating modes.

A flexible solution for adding serial ports to full-sized, or small form factor systems, the 4-port serial card includes both low and full profile brackets while the included breakout cable helps to avoid cluttered connections.

Backed by a StarTech.com lifetime warranty and free lifetime technical support.

The StarTech.com Advantage
  • This single PCI Express combo card is compatible with any serial device protocol (RS232, RS422, and RS485), allowing for communication with multiple devices over mixed protocols
  • Includes both low profile/half-height and full profile brackets to ensure fitment into a broad range of system form factors
  • The included breakout cable saves expense as an all-in-one solution, and allows the addition of multiple serial ports through a single PCI Express slot
Common Customer Questions

View FAQs...

Compatible With

View full OS compatibility

Windows® 2000, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2016

Applications
  • Monitor and control industrial machines on an assembly line or in a production environment
  • POS retail applications in grocery stores, and any other retail store to control keyboards, cash drawers, receipt printers, card readers/card swipes, scales, and elevated displays on poles
  • Bank teller workstations in either full profile or low profile versions to control their serial devices such as cash drawers, card readers / card swipes, printers, keypads / pinpads, pen pads
  • Self-service automated machines and kiosks to control serial devices such as scales, touchscreens, magnetic card readers, bar code scanners, receipt printers, label printers
Product Numbers
Warranty Information
Warranty Lifetime
Hardware
Bus Type PCI Express
Card Type Standard Profile (LP bracket incl.)
Chipset ID SystemBase - SB16C1052PCI
Interface Serial
Port Style Dongle (Included)
Ports 4
Performance
Data Bits 5, 6, 7, 8
FIFO 256 Bytes
Flow Control None, Xon/Xoff, RTS/CTS
Max Baud Rate 460.8 Kbps
Parity None, Odd, Even, Space, Mark
Serial Protocol RS-232/422/485
Stop Bits 1, 1.5, 2
Supported Protocols RS-232, RS-422, RS-485 2-wire / 4-wire
Connector(s)
Connector Type(s) 1 - PCI Express x1 Male
External Ports 4 - DB-9 (9 pin, D-Sub) Male
Software
OS Compatibility Windows® 2000, XP, Vista, 7, 8, 8.1, 10
Windows Server® 2003, 2008 R2, 2012, 2016
Special Notes / Requirements
System and Cable Requirements Available PCI Express slot
Environmental
Humidity 20~80% RH
Operating Temperature 0°C to 100°C (32°F to 212°F)
Storage Temperature 0°C to 150°C (32°F to 302°F)
Physical Characteristics
Product Height 2.7 in [69 mm]
Product Length 5.3 in [134 mm]
Product Weight 2.4 oz [67.4 g]
Product Width 0.6 in [14 mm]
Packaging Information
Shipping (Package) Weight 13.8 oz [390 g]
What's in the Box
Included in Package 1 - PCI Express Serial Combo Card
1 - Breakout Cable
1 - Low Profile Bracket
1 - Driver CD
1 - Instruction Manual
2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention
ICUSB2324852

2 Port USB to RS232 RS422 RS485 Serial Adapter with COM Retention

Add RS232, RS422 and RS485 support to your laptop or desktop computer via USB

$143.99

In stock:   Canada: 13  |  USA: 119

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our Canadian warehouse isn’t enough to fulfill your order, we will transfer the required stock from our US warehouse.

2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection
PCI2S232485I

2 Port RS232/422/485 PCI Serial Adapter Card w/ ESD Protection

Control and communicate with two serial devices even with mixed RS-232 & 485 protocols

$209.99

In stock:   Canada: 8  |  USA: 102

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our Canadian warehouse isn’t enough to fulfill your order, we will transfer the required stock from our US warehouse.

6 ft DB25 to DB9 Serial Modem Cable - M/F
MC6MF

6 ft DB25 to DB9 Serial Modem Cable - M/F

Connect your computer’s serial port to a modem or switchbox

$11.99

In stock:   Canada: 172  |  USA: 281

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our Canadian warehouse isn’t enough to fulfill your order, we will transfer the required stock from our US warehouse.

6ft Straight Through Serial Cable - DB9 M/F
MXT100

6ft Straight Through Serial Cable - DB9 M/F

Extend your EGA monitor cable or mouse cable by 6ft

$10.99

In stock:   Canada: 588  |  USA: 3707

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our Canadian warehouse isn’t enough to fulfill your order, we will transfer the required stock from our US warehouse.

11 ft Straight Through Serial Cable - M/F
MXT10010

10 ft Straight Through Serial Cable - M/F

Extend your EGA monitor cable or mouse cable by 10ft

$10.99

In stock:   Canada: 149  |  USA: 3468

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our Canadian warehouse isn’t enough to fulfill your order, we will transfer the required stock from our US warehouse.

10 ft DB9 RS232 Serial Null Modem Cable F/F
SCNM9FF

10 ft DB9 RS232 Serial Null Modem Cable F/F

Transfer files via serial connection

$10.99

In stock:   Canada: 688  |  USA: 4946

We will transfer stock to fulfill your order at no extra cost. If the quantity shown for our Canadian warehouse isn’t enough to fulfill your order, we will transfer the required stock from our US warehouse.

Share your opinions about this product

Thanks for sharing your opinions about the PEX4S232485. When writing your review, please focus on the performance and quality of this product. Your comments will help guide others. If possible, include examples of how you use the product, things you like or things you wish were different about it.

We're here to help

If you need support or you want to comment on parts of your purchase experience aside from the quality or performance of the product such as shipping or any technical/customer support issue, etc., we’d be happy to help you through Live Chat, our support form or by phone.

Reviews

Rating Snapshot

★   1
★   0
★   0
★   0
★   0

Average Customer Ratings

1-1 of 1 Reviews
Sort:  
Rating: 5 /5

Quality of Product (5/5)
Helpful? Yes · 0 No · 0 - Report Comment

* Product appearance and specifications are subject to change without notice.

x

Startech.com - 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485

My Review

Overall Rating*
Click to rate
It was easy to find this StarTech.com product
YES
NO
My rating for the quality of this product
Click to rate

You may receive emails regarding this submission. Any emails will include the ability to opt-out of future communications.

* denotes a required field