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

StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485, PCIe, Serial, RS-232/422/485,...Read full description ↓

Best offerPrice trend

£125.64

Rising
Price trend
Detailed analysis
Price history of StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 over the last 3 months
DatePrice
7 March 2026£117.18
21 March 2026£129.29
30 March 2026£111.44
5 April 2026£129.29
12 April 2026£129.29
19 April 2026£117.60
27 April 2026£125.70
2 May 2026£125.68
4 May 2026£135.81
8 May 2026£132.66
16 May 2026£130.79
25 May 2026£129.49
3 June 2026£125.64

Compare StarTech.com 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 prices UK

*Date of last price update

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Product Information

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

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

Interface Cards/Adapters StarTech.com

Product

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

System requirements

Windows operating systems supported
Windows 2000, Windows 2000 Professional, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Enterprise, Windows Vista Enterprise x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Windows Vista Home Premium, Windows Vista Home Premium x64, Windows Vista Ultimate, Windows Vista Ultimate x64, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64
Linux operating systems supported
Yes

Ports & interfaces

Host interface
PCIe
Output interface
Serial
Serial ports quantity
4
Serial interface type
RS-232/422/485

Operational conditions

Operating temperature (T-T)
0 - 100 °C
Storage temperature (T-T)
0 - 150 °C
Operating relative humidity (H-H)
20 - 80%

Weight & dimensions

Width
125 mm
Depth
70 mm
Height
20 mm
Weight
67.4 g

Other features

Data transfer rate
0.4608 Mbit/s
Connectivity technology
Wired

Design

Internal
Yes

Logistics data

Harmonized System (HS) code
84733020

Packaging data

User guide
Yes
Package width
146 mm
Package depth
210 mm
Package height
41 mm
Package weight
390 g

Features

Chipset
SystemBase SB16C1052PCI
FIFO (First In, First Out)
256 B

Technical details

Compliance certificates
RoHS

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