2-Port PCI Express Serial Interface Card StarTech.com 21050-PC-SERIAL-LP

Name: 2-Port PCI Express Serial Interface 21050-PC-SERIAL-LP
Brand: StarTech
SKU: 9186981
Price: 73.49 EUR
Availability: InStock

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2-Port PCI Express Serial Interface Card StarTech.com 21050-PC-SERIAL-LP Dual Port PCIe to RS232

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Short description

The StarTech.com 2-Port PCI Express Serial Interface Card features dual RS232 ports, supports baud rates up to 921.6 Kbit/s, and is compatible with Windows and Linux operating systems. It includes low/full profile brackets and COM retention for versatile installation.

Available at price 73.49 €: 22 pcs.

Total available for order: 99 pcs.

Warranty: 2 Years

SKU: 9186981

Manufacturer: StarTech

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

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From 4.99 € (Weight: 0.16 kg)

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Product information

Description

The StarTech.com 2-Port PCI Express Serial Interface Card (model 21050-PC-SERIAL-LP) adds two RS-232 (DB9) serial ports to a Small Form Factor or full-size system via a PCIe 2.0 x1 slot. Each port supports bidirectional data rates up to 921.6 Kbps and includes a 256-byte transmit/receive FIFO and 16C1050-compatible UART for reliable serial communication. Low-profile and full-height brackets are included for flexible installation, and the card is compatible with Windows and Linux operating systems.

Advantages

This dual-port PCIe to RS232 card provides legacy connectivity to maintain operation of serial peripherals without costly system replacements. The included 256-byte FIFO and 16C1050 UART support reduce CPU overhead and improve data throughput. Low-profile bracket support and LED status indicators simplify installation and monitoring in SFF and full-size systems. Broad OS compatibility ensures easy integration into existing Windows and Linux environments.

Suitable for

Point-of-sale (POS) terminals and cash registers
Security and access control systems
Audio/visual installations and control panels
Industrial and manufacturing equipment interfacing
Logistics, freight, and legacy device support

Key specifications

Interface: PCIe 2.0 x1 (host)
Ports: 2 × RS-232 (DB9)
Baud rate: up to 921.6 Kbps per port
FIFO: 256-byte transmit/receive
UART: 16C1050-compatible
Brackets: low-profile and full-height included
LEDs: serial port status indicators
Compatibility: Windows and Linux
Manufacturer part number (MPN): 21050-PC-SERIAL-LP

How to use

Power down the computer and insert the card into an available PCIe x1 slot (or compatible slot). Secure the bracket (choose low-profile or full-height as needed) and reconnect power. Install the appropriate drivers for your operating system if required; the card is supported on Windows and Linux. Connect serial devices to the DB9 ports and verify communication using the device’s software, terminal emulator, or diagnostic LEDs on the card to confirm link and activity.

Usage recommendations

For reliable operation, use quality shielded serial cables, ensure correct COM port settings (baud rate, parity, data bits, stop bits) matching the peripheral, and place the card in a PCIe slot with adequate airflow. Keep drivers up to date and verify that any legacy device voltage and signal requirements conform to RS-232 standards.

Specifications

Internal: The product is built in.: Yes
Host interface: Interface that enables a host controller to communicate with a driver.: PCIe
Output interface: The socket (port) where the output connectors are connected.: Serial

All features

Weight & dimensions

Package weight: Weight of the packaged product.: 160 g
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.: 0.16 kg
Height: The measurement of the product from head to foot or from base to top.: 18 mm
Depth: The distance from the front to the back of something.: 67 mm
Width: The measurement or extent of something from side to side.: 66 mm

Operational conditions

Operating relative humidity (H-H):: 5 - 95
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.: -40 - 75
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.: 0 - 55

System requirements

Server operating systems supported:: Windows Server 2019, Windows Server 2016
Linux operating systems supported: 8 RT. Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 (supported with a pre-built package); SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3): Yes
Windows operating systems supported: Windows vesions wich can be used with the device.: Windows 7 Starter, Windows 10 Pro, Windows 7 Professional x64, Windows 7 Professional, Windows 7 Home Premium x64, Windows 7 Home Premium, Windows 7 Home Basic x64, Windows 7 Home Basic, Windows 7 Enterprise x64, Windows 7 Enterprise, Windows 7, Windows 11 x64, Windows 11, Windows 10 x64, Windows 10 Pro x64, Windows 10 IOT Core, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, 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 10 IoT Enterprise, Windows 10 Home x64, Windows 10 Home, Windows 10 Enterprise x64, Windows 10 Enterprise, Windows 10 Education x64, Windows 10 Education, Windows 10

Other features

Material: The material from which a thing is or can be made e.g. wood, plastic.: Steel

Logistics data

Products per master (outer) case:: 50 pc(s)
Master (outer) case height:: 340 mm
Master (outer) case length:: 440 mm
Master (outer) case width:: 530 mm

Packaging data

Package height: The distance from the top to the bottom of the packaging.: 38 mm
Package depth: The distance from the front to the back of the packaging.: 144 mm
Package width: The distance from one side of the packaging to the other.: 207 mm
Quick installation guide:: Yes
Mounting brackets included:: Yes

Features

Parity bit:: Space, Odd, No, Mark, Even
Data bits:: 8, 5, 6, 7, 9
FIFO (First In, First Out):: 256
Baud rate:: 921.6 Kbit/s

Design

Product colour: The colour e.g. red, blue, green, black, white.: Yellow
Internal: The product is built in.: Yes

Ports & interfaces

Serial interface type:: RS-232
Serial ports quantity: The number of serial ports in a computer or peripheral. A serial port is a serial communication physical interface through which information transfers in or out one bit at a time. The term "serial port" usually identifies hardware more or less compliant to the RS-232 standard, intended to interface with a modem or with a similar communication device. In modern computers and peripherals, serial ports have largely been replaced by USBs and other interfaces.: 2
Expansion card standard:: PCI 2.0
Expansion card form factor:: Full-height / Low-profile
Host interface: Interface that enables a host controller to communicate with a driver.: PCIe
Output interface: The socket (port) where the output connectors are connected.: Serial

Performance

LED indicators:: Activity
Chipset: Set of electronic components in an integrated circuit that manages the data flow between the processor, memory and peripherals. It is usually found in the motherboard of a computer. Chipsets are usually designed to work with a specific family of microprocessors. Because it controls communications between the processor and external devices, the chipset plays a crucial role in determining system performance.: ASIX - AX99100, ASIX - ZT3243LFEY

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Instructions

mmo_109237979_1678105952_1267_27440.pdf

startech-21050-PC-SERIAL-LP-9186981.pdf

startech-21050-PC-SERIAL-LP-9186981(1).pdf

Description

Instructions

mmo_109237979_1678105952_1267_27440.pdf

startech-21050-PC-SERIAL-LP-9186981.pdf

startech-21050-PC-SERIAL-LP-9186981(1).pdf

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Warehouse	Stock	Delivery to the store	Store Price
WH354	22	12.08.2026 Best delivery	73.49 € Best price
WH94	22	12.08.2026 Best delivery	80.49 €

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH109	22	26.08.2026	74.49 €
WH15	26	12.08.2026 Best delivery	76.49 €
EU9	7	12.08.2026 Best delivery	78.49 €

73.49 €

Stock: 22

Delivery Date: 12.08.2026 Best delivery

Warehouse: WH354

80.49 €

Stock: 22

Delivery Date: 12.08.2026 Best delivery

Warehouse: WH94

Available only for legal entities

74.49 €

Stock: 22

Delivery Date: 26.08.2026

Warehouse: WH109

76.49 €

Stock: 26

Delivery Date: 12.08.2026 Best delivery

Warehouse: WH15

78.49 €

Stock: 7

Delivery Date: 12.08.2026 Best delivery

Warehouse: EU9

Customer reviews

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Customer questions

FAQ

How much does the 2-Port PCI Express Serial Interface Card StarTech.com 21050-PC-SERIAL-LP cost, and is it available for purchase?

The price is 73.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 99 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 12.08.2026 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 2-Port PCI Express Serial Interface Card StarTech.com 21050-PC-SERIAL-LP 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 2-Port PCI Express Serial Interface Card StarTech.com 21050-PC-SERIAL-LP 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: internal, host interface, output interface, 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 Interface Card StarTech.com 21050-PC-SERIAL-LP?

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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2-Port PCI Express Serial Interface Card StarTech.com 21050-PC-SERIAL-LP Dual Port PCIe to RS232

Short description

Product information

Description

Advantages

Suitable for

Key specifications

How to use

Usage recommendations

Specifications

Weight & dimensions

Operational conditions

System requirements

Other features

Logistics data

Packaging data

Features

Design

Ports & interfaces

Performance

Instructions

Description

Instructions

Similar products

Product comparison

Customer reviews

Customer questions

How much does the 2-Port PCI Express Serial Interface Card StarTech.com 21050-PC-SERIAL-LP cost, and is it available for purchase?

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

What payment options are available?

Can 2-Port PCI Express Serial Interface Card StarTech.com 21050-PC-SERIAL-LP be purchased with a lease?

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

What is the warranty period?

Can the product be returned after purchase?

Where should I contact for warranty service?

How can I tell if this product suits my needs?

Where can I download the instructions for 2-Port PCI Express Serial Interface Card StarTech.com 21050-PC-SERIAL-LP?