# PCIe 4-Port Serial Combo Card Sonstige PEX4S232485 — 2x RS-232, 2x RS-422/485, SystemBase SB16C1052PCI

**URL:** https://aio.lv/en/product--sonstige-pex4s232485--12087744
**Data updated:** 2026-03-13 14:28 (EET)
**Category:** I/O Adapters & Controllers
**Manufacturer:** Sonstige
**Manufacturer code:** PEX4S232485
**EAN:** 0065030849357
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 178.49 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 147.51 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--sonstige-pex4s232485--12087744

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.99 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

PCIe 4-port serial combo card with two RS-232 and two RS-422/485 ports, model PEX4S232485 by Sonstige. Uses SystemBase SB16C1052PCI chipset and 256‑byte FIFO for reliable serial communications. Fits a PCI Express slot (125×70×20 mm), supports multiple Windows versions, and is suitable for industrial control, automation, POS, and legacy device connectivity.

## Long description

Add two RS232, and two RS422/485 serial ports to your PC through a PCI-Express expansion slot

The PEX4S232485 4 Port PCI Express PCIe Serial Combo Card - 2 x RS232 2 x RS422 / RS485 lets you add two RS232, and two RS422/485 serial ports to your PC through a PCI-Express expansion slot.

This PCI express serial card is a single card solution that is compatible with nearly any serial communication protocol, supporting RS-232, RS-422, RS-485 2-wire or RS-485 4-wire operating modes. 

A flexible solution for adding serial ports to full-sized, or small form factor systems, the 4-port serial card includes both low and full profile brackets while the included breakout cable helps to avoid cluttered connections.

Backed by a StarTech.com lifetime warranty and free lifetime technical support.

The StarTech.com Advantage

- This single PCI Express combo card is compatible with any serial device protocol (RS232, RS422, and RS485), allowing for communication with multiple devices over mixed protocols
- Includes both low profile/half-height and full profile brackets to ensure fitment into a broad range of system form factors
- The included breakout cable saves expense as an all-in-one solution, and allows the addition of multiple serial ports through a single PCI Express slotKey Features
Internal
Host interface: PCIe
Output interface: Serial

## Specifications

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 20 - 80 |
| Storage temperature (T-T) | 0 - 150 |
| Operating temperature (T-T) | 0 - 100 |

### Technical details

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

### Ports & interfaces

| Feature | Value |
|---|---|
| Serial interface type | RS-232/422/485 |
| Serial ports quantity | 4 |
| Host interface | PCIe |
| Output interface | Serial |

### Other features

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| Data transfer rate | 0.4608 Mbit/s |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0674 kg |
| Package weight | 390 g |
| Height | 20 mm |
| Width | 125 mm |
| Depth | 70 mm |

### System requirements

| Feature | Value |
|---|---|
| Windows operating systems supported | Windows 8 Enterprise, Windows Vista Business, Windows Vista Business x64, Windows 8 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 8 Pro, Windows 2000, Windows 2000 Professional, 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 x64, Windows 8 Pro x64 |
| Linux operating systems supported | Y |

### Design

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

### Performance

| Feature | Value |
|---|---|
| Chipset | SystemBase SB16C1052PCI |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84733020 |

### Features

| Feature | Value |
|---|---|
| FIFO (First In, First Out) | 256 |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 210 mm |
| Package height | 41 mm |
| Package width | 146 mm |
| User guide | Yes |

## FAQ

### How much does the PCIe 4-Port Serial Combo Card Sonstige PEX4S232485 cost, and is it available for purchase?

The price is 178.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 5 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 02.07.2026 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 PCIe 4-Port Serial Combo Card Sonstige PEX4S232485 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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 Sonstige 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 Sonstige 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.

## Image

https://aio.lv/img/cache/product/12087744/67627698_large.webp