2-Port PCI Express Serial Card StarTech.com PEX2S1050

Name: StarTech.com 2-Port PCI Express Serial PEX2S1050
Brand: StarTech
SKU: 11251815
Price: 61.49 EUR
Availability: InStock

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StarTech.com 2-Port PCI Express Serial Card 16C1050 UART RS232

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Short description

The StarTech.com 2-Port PCI Express Serial Card features a 16C1050 UART chipset, providing two RS232 serial ports. It supports baud rates up to 460.8 Kbit/s and is compatible with various Windows operating systems. The card is designed for full-height and low-profile installations, making it versatile for different setups. It is CE, FCC, and Microsoft WHQL certified, ensuring reliability and performance.

Available at price 61.49 €: 22 pcs.

Total available for order: 204 pcs.

Warranty: 2 Years

SKU: 11251815

Manufacturer: StarTech

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Deliver the order:

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2b. Kengaraga str., Riga, Latvia, LV-1063

03.07.2026 {{selectedOffer.officeDeliveryString}}

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From 4.99 € (Weight: 0.14 kg)

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Payment Methods:

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Product information

Description

The StarTech.com 2-Port PCI Express Serial Card 16C1050 UART RS232 (PEX2S1050) adds two RS232 DB9 serial ports to a desktop or server via a PCI Express slot. It uses the 16C1050 dual-channel UART chipset, supports both full-height and low-profile installations, and is compatible with PCIe slots of types 1x, 2x, 4x, 8x and 16x. The card is intended to connect serial-based equipment to modern systems that lack built-in RS232 ports and is CE, FCC and Microsoft WHQL certified.

Advantages

This PCIe serial card provides two high-performance RS232 ports with data transfer rates up to 460.8 Kbps and reduced CPU load thanks to the 16C1050 UART, helping prevent communication errors such as overruns. It supports IRQ sharing and plug-and-play connections, includes both standard and low-profile brackets for easy installation, and is compatible with a broad range of Windows operating systems. The product is compact (0.061 kg) and backed by a 2-year warranty and lifetime technical support.

Suitable for

Industrial and manufacturing equipment integration
Point-of-sale (POS) systems and peripheral connections
Security and surveillance devices (cameras, card readers, access panels)
Building automation and environmental control systems
Upgrading desktops or servers that require legacy RS232 interfaces

Key specifications

Model: PEX2S1050
Interface: PCI Express (compliant with PCIe 1.0a)
Ports: 2 × RS232 DB9
UART chipset: 16C1050 dual-channel
Maximum data rate: 460.8 Kbps
Compatibility: PCIe 1x/2x/4x/8x/16x slots
Installations: full-height and low-profile (brackets included)
Certifications: CE, FCC, Microsoft WHQL
Weight: 0.061 kg
Warranty: 2 years with free lifetime technical support

How to use

Power down the computer and insert the card into an available PCI Express slot that matches or supports the card. Secure the bracket to the chassis; swap the installed standard-profile bracket for the included low-profile bracket if required. Power on the system and install any necessary drivers for your Windows operating system if they do not install automatically. Connect serial devices to the DB9 ports using appropriate cables and configure the device COM settings (baud rate, parity, data bits, stop bits) to match the connected equipment.

Usage recommendations

For reliable communication, use quality shielded serial cables and verify COM port assignments in Device Manager. When deploying in critical systems, test both ports under expected load to confirm stable operation and set the baud rate to a supported maximum that avoids errors for your devices.

Specifications

Host interface:: PCIe
Weight:: 0.061 kg

All features

Serial interface type:: RS-232
Serial ports quantity:: 2
Master (outer) case height:: 319 mm
Master (outer) case width:: 356 mm
Baud rate:: 460.8 Kbit/s
Data bits:: 8, 7, 6, 5
Output interface:: Serial
FIFO (First In, First Out):: 256
Master (outer) case length:: 691 mm
Products per master (outer) case:: 75 pc(s)
Harmonized System (HS) code:: 84733020
Expansion card form factor:: Full-height / Low-profile
Compliance certificates:: RoHS

Ports & interfaces

Host interface:: PCIe
Internal:: Yes

Bandwidth

Full duplex:: Yes

Network

Chipset:: SystemBase - SB16C1052PCI
Flow control support:: Yes

Performance

Windows operating systems supported:: Windows Vista Business, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows 95, Windows 98SE, Windows ME, Windows 8, 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, Windows 7 Ultimate x64, Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, 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
Server operating systems supported:: Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2

Weight & dimensions

Weight:: 0.061 kg
Package weight:: 149 g
Height:: 20 mm
Width:: 120 mm
Depth:: 103 mm
Package depth:: 174 mm
Package height:: 32 mm
Package width:: 143 mm

Operational conditions

Operating relative humidity (H-H):: 5 - 85
Storage temperature (T-T):: -20 - 100
Operating temperature (T-T):: -10 - 80

Certificates

Certification:: CE, FCC, Microsoft WHQL

Packaging content

Quick installation guide:: Yes
Drivers included:: Yes
Mounting brackets included:: Yes

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Instructions

mmo_35707206_1618992375_7269_13199.pdf

startechcom-PEX2S1050-11251815.pdf

Description

Instructions

mmo_35707206_1618992375_7269_13199.pdf

startechcom-PEX2S1050-11251815.pdf

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Warehouse	Stock	Delivery to the store	Store Price
WH354	22	03.07.2026	61.49 € Best price

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH109	22	10.07.2026	65.99 €
WH15	5	26.06.2026 Best delivery	66.99 €
EU9	155	26.06.2026 Best delivery	68.49 €

61.49 €

Stock: 22

Delivery Date: 03.07.2026

Warehouse: WH354

Available only for legal entities

65.99 €

Stock: 22

Delivery Date: 10.07.2026

Warehouse: WH109

66.99 €

Stock: 5

Delivery Date: 26.06.2026 Best delivery

Warehouse: WH15

68.49 €

Stock: 155

Delivery Date: 26.06.2026 Best delivery

Warehouse: EU9

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Customer questions

FAQ

How much does the 2-Port PCI Express Serial Card StarTech.com PEX2S1050 cost, and is it available for purchase?

The price is 61.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 204 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. All transactions are 100% secure and encrypted.

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, 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 2-Port PCI Express Serial Card StarTech.com PEX2S1050?

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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