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header-product StarTech.com 2-Port PCI RS422/485 Serial Adapter Card with 161050 UART SystemBase SB16C1052PCI Chipset
29.49 €

StarTech.com 2-Port PCI RS422/485 Serial Adapter Card with 161050 UART SystemBase SB16C1052PCI Chipset

StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card Photo 1
StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card Photo 2
StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card Photo 3
StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card Photo 4
StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card Photo 5
StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card Photo 1
StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card Photo 2
StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card Photo 3
StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card Photo 4
StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card Photo 5
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StarTech.com 2-Port PCI RS422/485 Serial Adapter Card with 161050 UART SystemBase SB16C1052PCI Chipset

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Short description

StarTech.com 2-port serial adapter card featuring a PCI/PCI-X host interface and support for RS-422 and RS-485 serial interfaces. Equipped with the SystemBase SB16C1052PCI chipset and 161050 UART, it delivers a 128 Kbit/s baud rate and 256-byte FIFO buffer. Certified by CE and FCC, it offers reliable connectivity for industrial automation, point-of-sale systems, and legacy serial device integration. Compatible with various Windows client and server operating systems.
Available at price 29.49 €: 5 pcs.
Total available for order: 10 pcs.
Warranty: 2 Years
SKU: 298306
Manufacturer: StarTech
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
08.10.2026 {{selectedOffer.officeDeliveryString}}
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Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
13.10.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 1.15 kg)
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From 1.99 €
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Product information

Description

The StarTech.com 2-Port PCI RS422/485 Serial Adapter Card with 161050 UART SystemBase SB16C1052PCI Chipset is a reliable hardware solution designed to add two serial ports to a host computer through a standard expansion slot. This adapter card features a high-performance 161050 UART with a 256-byte FIFO buffer, ensuring efficient data transmission while minimizing CPU load. Built with the SystemBase SB16C1052PCI chipset, it provides stable communication for various industrial and legacy environments.

Advantages

This serial adapter card delivers efficient data management through its large 256-byte FIFO buffer, which helps prevent data loss during high-speed communication. The inclusion of the SystemBase SB16C1052PCI chipset ensures reliable performance and broad compatibility. It supports both 2-wire and 4-wire RS485 modes as well as RS-422 interfaces, offering flexible connection options for different system requirements. The design includes both standard and low-profile brackets, making it adaptable to various computer enclosures and form factors.

Suitable for

  • Connecting industrial automation machinery
  • Integrating legacy point-of-sale systems
  • Setting up security and access control equipment
  • Connecting scientific and laboratory measurement devices

When it may not be suitable

This expansion card is not designed for consumer-grade peripheral connections such as standard printers or modern mice, as it strictly supports RS-422 and RS-485 serial communication standards. Additionally, it requires an available internal PCI or PCI-X slot and will not function in systems that only provide PCIe slots.

Key specifications

  • Host interface: PCI/PCI-X
  • Output interface: Serial
  • Serial interface types: RS-422, RS-485
  • Chipset: SystemBase SB16C1052PCI
  • UART type: 161050 with 256-byte FIFO buffer
  • Maximum baud rate: 128 Kbit/s
  • Supported operating systems: Windows client and server versions

How to use

To install the adapter card, power down the host computer, unplug it from the power source, and open the computer case. Insert the card firmly into an available PCI or PCI-X expansion slot and secure the bracket to the chassis. Close the computer case, reconnect the power, and boot the system. Install the appropriate drivers for your operating system version. Once the drivers are successfully installed, connect your RS-422 or RS-485 serial cables to the corresponding DB9 ports on the card.

What to consider before purchase

  • Verify that your computer motherboard has an available PCI or PCI-X expansion slot
  • Check the operating system compatibility with your current software environment
  • Confirm that your external devices utilize RS-422 or RS-485 communication protocols

Usage recommendations: Ensure the computer is completely powered off and disconnected from mains electricity before performing any hardware installation. Configure the jumper settings correctly for RS-422 or RS-485 modes according to your connected device specifications prior to operation.

Specifications

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

Weight & dimensions

Package weight: Weight of the packaged product.
152 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.
0.058 kg
Height: The measurement of the product from head to foot or from base to top.
45 mm
Depth: The distance from the front to the back of something.
120 mm
Width: The measurement or extent of something from side to side.
15 mm

Operational conditions

Operating relative humidity (H-H):
5 - 85
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-20 - 100
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
-10 - 80

System requirements

Compatible operating systems: List of desktop operating systems tested as compatible with this product.
Windows 7 (32/64bit)/ Vista(32/64)/ XP(32/64), Windows Server 2008 R2/ 2003(32/64)/ 2000, Linux 2.4.x/ 2.6.x
Server operating systems supported:
Windows Server 2003, Windows 2000 Server, Windows Server 2008 R2, Windows Server 2012
Windows operating systems supported: Windows vesions wich can be used with the device.
Windows 7 Enterprise, Windows 10 Pro x64, 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, Windows 7 Ultimate 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 x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 x64, Windows 10 Pro, Windows 10 Home x64, Windows 10 Home, Windows 10 Enterprise x64, Windows 10 Enterprise, Windows 10 Education x64, Windows 10 Education

Other features

Drivers included:
Yes
Manual:
Yes
Data transfer rate: Rate at which data can be transferred, usually measured in units per second. May vary with network configurations.
0.128 Mbit/s

Logistics data

Harmonized System (HS) code:
84733020
Products per master (outer) case:
75 pc(s)
Master (outer) case height:
316 mm
Master (outer) case length:
684 mm
Master (outer) case width:
352 mm

Packaging data

Package height: The distance from the top to the bottom of the packaging.
33 mm
Package depth: The distance from the front to the back of the packaging.
176 mm
Package width: The distance from one side of the packaging to the other.
144 mm

Technical details

Compliance certificates: Indicates which regulatory, safety, and environmental standards the product complies with, as verified by recognized authorities or certification bodies.
RoHS

Features

Flow control support:
Yes
Stop bits:
1, 1.5, 2
Data bits:
5, 6, 7, 8
FIFO (First In, First Out):
256
Baud rate:
128 Kbit/s

Design

Internal: The product is built in.
Yes

Ports & interfaces

Serial interface type:
RS-422, RS-485
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
Host interface: Interface that enables a host controller to communicate with a driver.
PCI/PCI-X
Output interface: The socket (port) where the output connectors are connected.
Serial

Performance

Certification:
CE, FCC
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.
SystemBase -SB16C1052PCI

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Stock data
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
EU9 5 08.10.2026 Best delivery
29.49 € Best price
WH109 5 22.10.2026
33.49 €
Available only for legal entities
29.49 €
Stock: 5
Delivery Date: 08.10.2026 Best delivery
Warehouse: EU9
33.49 €
Stock: 5
Delivery Date: 22.10.2026
Warehouse: WH109

Customer reviews

Customer questions

FAQ

How much does the StarTech.com PCI2S4851050 2-Port RS422/485 Serial Card cost, and is it available for purchase?

The price is 29.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 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 08.10.2026 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. 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: 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 StarTech.com PCI2S4851050 2-Port RS422/485 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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14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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