# Internal USB Motherboard Header to 2 Port Serial RS232 Adapter StarTech ICUSB232INT2

**URL:** https://aio.lv/en/product--startech-icusb232int2--1867982
**Data updated:** 2025-12-29 07:50 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** StarTech
**Manufacturer code:** ICUSB232INT2
**EAN:** 0065030841528
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 82.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 68.59 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--startech-icusb232int2--1867982

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 21.07.2026 | free |
| Pickup points | 24.07.2026 | 1.99 EUR |
| Courier delivery to door | 24.07.2026 | 4.99 EUR |

## Summary description

The StarTech 24in Internal USB Motherboard Header to 2 Port Serial RS232 Adapter allows you to connect two RS-232 serial devices to your computer via an internal USB header. It supports baud rates up to 115.2 Kbit/s and features a FIFO buffer of 256 B. Compatible with various Windows and Mac operating systems, this adapter is certified by Microsoft WHQL, CE, and FCC, ensuring reliable performance for your serial communication needs.

## Long description

The StarTech ICUSB232INT2 Internal USB Motherboard Header to 2 Port Serial RS232 Adapter adds two RS-232 serial ports to a desktop system using an available internal USB motherboard header. Designed for installation inside the PC case, the adapter provides a tidy internal connection without external cables or adapters. It supports standard serial communication requirements and bridges modern motherboards with legacy serial peripherals.
Advantages
This internal USB-to-serial adapter supports two RS232 ports while occupying a single internal USB header, offering a compact solution for connecting legacy serial devices. It provides a 256-byte FIFO buffer and supports common baud rates up to 115.2 Kbit/s. The product is certified (WHQL, CE, FCC) and includes StarTech.com technical support and a two-year warranty, ensuring compatibility and reliable operation in supported environments.
Suitable for
Connecting serial peripherals such as modems, industrial controllers or POS devices to a desktop PC
Systems where an internal, clutter-free serial connection is preferred over external cables
Upgrading modern motherboards that lack built-in RS232 ports
Key specifications
Model: ICUSB232INT2
Interface: Internal USB (IDC) to 2 x RS232 serial ports
FIFO buffer: 256 bytes
Maximum baud rate: 115.2 Kbit/s
Certifications: Microsoft WHQL, CE, FCC
Internal: Yes
Output interface: Serial (RS232)
Weight: 0.063 kg
How to use
Install the adapter inside the PC case by connecting its IDC connector to an available internal USB motherboard header. Secure the adapter and route the serial ports to the desired external access point or bracket as required by your chassis. Install any necessary drivers for your operating system (drivers are WHQL-certified for supported Windows versions) and configure the COM port settings (baud rate, parity, stop bits) in your application or device manager to match the connected serial peripheral.
Usage recommendations
Use shielded cabling and secure mounting inside the case to minimize electrical interference. Verify driver compatibility for your operating system before installation and match the serial port settings to the connected device for reliable communication.

## Specifications

### Operational conditions

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

### Technical details

| Feature | Value |
|---|---|
| Compliance certificates | RoHS |

### Ports & interfaces

| Feature | Value |
|---|---|
| Serial interface type | RS-232 |
| Serial ports quantity | 2 |
| Host interface | IDC |
| Output interface | Serial |

### Other features

| Feature | Value |
|---|---|
| Manual | Yes |
| Drivers included | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.063 kg |
| Package weight | 153 g |
| Height | 19 mm |
| Width | 120 mm |
| Depth | 68 mm |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows 8, Windows Vista Business, Windows CE, Windows 98SE, Windows 8.1 x64, Windows Vista Business x64, Windows 8.1 Pro x64, Windows 8.1 Pro, Windows 8.1 Enterprise x64, Windows 8.1 Enterprise, Windows 8.1, Windows 8 x64, Windows 8 Pro x64, Windows 8 Pro, Windows 8 Enterprise x64, Windows 8 Enterprise, Windows XP Home, Windows XP Professional x64, Windows XP Professional, Windows XP Home x64, Windows Vista Enterprise, Windows Vista Ultimate x64, Windows Vista Ultimate, Windows Vista Home Premium x64, Windows Vista Home Premium, Windows Vista Home Basic x64, Windows Vista Home Basic, Windows Vista Enterprise x64, Windows 7 Ultimate, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro x64, Windows 7 Ultimate x64, Windows 7 Starter x64, Windows 7 Starter, 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 2000 Professional, Windows 2000, Windows 10 Pro |
| Mac operating systems supported | Mac OS X 10.8 Mountain Lion, Mac OS X 10.7 Lion, Mac OS X 10.6 Snow Leopard, Mac OS X 10.12 Sierra, Mac OS X 10.11 El Capitan, Mac OS X 10.10 Yosemite, Mac OS X 13.0 Ventura, Mac OS X 10.9 Mavericks |
| Linux operating systems supported | Y |
| Server operating systems supported | Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 R2, Windows Server 2003 |

### Design

| Feature | Value |
|---|---|
| Internal | Yes |

### Performance

| Feature | Value |
|---|---|
| Certification | Microsoft WHQL, CE, FCC |

### Logistics data

| Feature | Value |
|---|---|
| Master (outer) case height | 320 mm |
| Master (outer) case width | 354 mm |
| Master (outer) case length | 684 mm |
| Products per master (outer) case | 50 pc(s) |
| Harmonized System (HS) code | 84733020 |

### Features

| Feature | Value |
|---|---|
| Plug and Play | Yes |
| Baud rate | 115.2 Kbit/s |
| Data bits | 8, 7 |
| Stop bits | 2, 1 |
| FIFO (First In, First Out) | 256 |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 175 mm |
| Package height | 32 mm |
| Package width | 144 mm |
| Mounting brackets included | Yes |

## FAQ

### How much does the Internal USB Motherboard Header to 2 Port Serial RS232 Adapter StarTech ICUSB232INT2 cost, and is it available for purchase?

The price is 82.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 96 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 21.07.2026 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: Cash payment, 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. More information about warranty service: https://aio.lv/en/warranty

### 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, 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 Internal USB Motherboard Header to 2 Port Serial RS232 Adapter StarTech ICUSB232INT2?

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.

## Image

https://aio.lv/img/cache/product/1867982/65748514_large.webp