4-Port Serial PCIe Card StarTech.com PS74ADF-SERIAL-CARD

Name: 4-Port Serial PCIe Card StarTech.com PS74ADF-SERIAL-CARD
Brand: StarTech
SKU: 10810227
Price: 199.99 EUR
Availability: InStock

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4-Port Serial PCIe Card StarTech.com PS74ADF-SERIAL-CARD RS232 RS422 RS485

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Short description

The StarTech.com 4-Port Serial PCIe Card supports RS232, RS422, and RS485 interfaces, allowing connection of multiple serial devices. It features a low-profile bracket, high baud rates, and ESD protection for reliable performance. Compatible with Windows and Linux systems.

Available at price 199.99 €: 8 pcs.

Total available for order: 26 pcs.

Warranty: 2 Years

SKU: 10810227

Manufacturer: StarTech

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From 4.99 € (Weight: 0.06 kg)

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Product information

Description

Add four DB9 serial ports to a desktop or small form factor (SFF) system with the 4-Port Serial PCIe Card by StarTech.com (PS74ADF-SERIAL-CARD). The card provides flexible serial connectivity by allowing each DB9 port to be independently configured for RS-232, RS-422, or 2/4-wire RS-485 standards. It includes LED activity indicators per port and a low-profile form factor suitable for many PCIe x1 slots.

Advantages

The card supports per-port serial configuration via on-board DIP switches, enabling mixed-mode installations. Configurable external power over pin 9 (12V at 1.5A per port, 5V at 1.5A per port, or no power/RI) is selectable with jumpers. LEDs provide real-time port activity monitoring. The adapter is compatible with common operating systems such as Windows and Linux and includes ESD protection and support for high baud rates to ensure reliable communication with serial peripherals.

Suitable for

Point-of-sale terminals and barcode scanners
PLC, factory control and industrial automation systems
Laboratory instruments, scientific sensors, and oscilloscopes
Medical equipment and diagnostic devices
Legacy serial devices requiring continued connectivity in modern systems

Key specifications

Manufacturer: StarTech.com
Model / MPN: PS74ADF-SERIAL-CARD
Interfaces supported: RS-232, RS-422, RS-485 (2/4-wire)
Ports: 4 × DB9 serial ports
Host interface: PCIe x1 (PCI Express)
Power on pin 9: configurable 12V (1.5A/port), 5V (1.5A/port), or no power (RI)
Indicators: per-port LED activity indicators
Form factor: low-profile compatible
Product colour: Black
Weight: 0.06 kg
Compatibility: Windows and Linux

How to use

Install the card into an available PCIe x1 slot in the desktop or SFF system following standard ESD precautions. Set the DIP switches on the board to select the desired mode (RS-232, RS-422, or RS-485) for each DB9 port. Configure the power jumper to supply 12V, 5V, or no power on pin 9 as required by your connected devices. Secure the card with the appropriate bracket (low-profile or standard) and connect serial peripherals using DB9 cables. Install any required drivers for your operating system (Windows or Linux) and verify port activity using the LED indicators.

Usage recommendations

Use shielded DB9 cables for improved signal integrity and enable the appropriate termination and biasing when using RS-422/RS-485 networks. Confirm device voltage and power requirements before enabling pin 9 power to prevent damage. For mixed serial environments, verify DIP switch settings per port and test communication at the intended baud rate prior to deployment.

Specifications

Host interface:: PCIe
Weight:: 0.06 kg
Internal:: Yes
Output interface:: Serial
Product colour:: Black

All features

Operational conditions

Operating relative humidity (H-H):: 20 - 80
Storage temperature (T-T):: -20 - 80
Operating temperature (T-T):: 0 - 70

Technical details

Sustainability compliance:: Yes
Compliance certificates:: RoHS, Trade Agreements Act (TAA)

Ports & interfaces

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

Other features

Cable length:: 0.3 m
Electrostatic Discharge (ESD) protection:: 15 kV

Weight & dimensions

Weight:: 0.06 kg
Package weight:: 273.2 g
Height:: 16 mm
Width:: 109 mm
Depth:: 121 mm

System requirements

Windows operating systems supported:: Windows 7 Ultimate, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Home Basic x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 11 Enterprise x64, Windows 7 Home Basic, Windows 7 Enterprise x64, Windows 7 Enterprise, Windows 7, Windows 11 x64, Windows 11 Pro, Windows 11 Home, Windows 10 Pro, Windows 8.1 Enterprise, Windows 8.1 x64, Windows 8.1 Pro x64, Windows 8.1 Pro, Windows 8.1 Enterprise x64, Windows 7 Ultimate x64, Windows 8.1, Windows 8 x64, Windows 8 Pro x64, Windows 8 Pro, Windows 8 Enterprise x64, Windows 8 Enterprise, Windows 8, Windows 7 x64, Windows 11, Windows 10 x64, Windows 10 Pro x64, Windows 10 IoT Enterprise, Windows 10 IOT Core, Windows 10 Home x64, Windows 10 Home, Windows 10 Enterprise x64, Windows 10 Enterprise, Windows 10 Education x64, Windows 10 Education, Windows 10, Windows 11 Enterprise
Linux operating systems supported:: Y
Server operating systems supported:: Windows Server 2022, Windows Server 2019, Windows Server 2016

Design

Internal:: Yes
Product colour:: Black

Performance

Chipset:: ASIX - AX99100
LED indicators:: Activity

Logistics data

Master (outer) case height:: 306 mm
Master (outer) case width:: 685 mm
Master (outer) case length:: 345 mm
Products per master (outer) case:: 50 pc(s)

Packaging data

Cables included:: Ribbon cable
Package depth:: 207 mm
Package height:: 38 mm
Package width:: 144 mm
User guide:: Yes
Mounting brackets included:: Yes

Features

Flow control support:: Yes
Baud rate:: 921.6 Kbit/s
Data bits:: 5, 6, 8, 9
Stop bits:: 1, 1.5, 2
Parity bit:: Even, Mark, N, Odd, Space
FIFO (First In, First Out):: 256

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Instructions

mmo_118057330_1702999239_0004_1872667.pdf

startech-PS74ADF-SERIAL-CARD-10810227.pdf

startech-PS74ADF-SERIAL-CARD-10810227(1).pdf

Description

Instructions

mmo_118057330_1702999239_0004_1872667.pdf

startech-PS74ADF-SERIAL-CARD-10810227.pdf

startech-PS74ADF-SERIAL-CARD-10810227(1).pdf

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Warehouse	Stock	Delivery to the store	Store Price
WH94	8	03.07.2026 Best delivery	199.99 € Best price
WH354	8	10.07.2026	245.99 €

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH109	8	17.07.2026	224.99 €
EU9	2	03.07.2026 Best delivery	249.49 €

199.99 €

Stock: 8

Delivery Date: 03.07.2026 Best delivery

Warehouse: WH94

245.99 €

Stock: 8

Delivery Date: 10.07.2026

Warehouse: WH354

Available only for legal entities

224.99 €

Stock: 8

Delivery Date: 17.07.2026

Warehouse: WH109

249.49 €

Stock: 2

Delivery Date: 03.07.2026 Best delivery

Warehouse: EU9

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Customer questions

FAQ

How much does the 4-Port Serial PCIe Card StarTech.com PS74ADF-SERIAL-CARD cost, and is it available for purchase?

The price is 199.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 03.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

Can 4-Port Serial PCIe Card StarTech.com PS74ADF-SERIAL-CARD be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the 4-Port Serial PCIe Card StarTech.com PS74ADF-SERIAL-CARD online, and the application process is as simple as possible:

Select the product on the website and add it to your cart;
When placing your order, choose the payment method “Installments”;
Fill in the required details for the lending partner;
Receive a decision within a few minutes.

For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All StarTech products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized StarTech service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: host interface, weight, internal, output interface, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for 4-Port Serial PCIe Card StarTech.com PS74ADF-SERIAL-CARD?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

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