# Interface Card Exsys EX-42374 Internal Serial

**URL:** https://aio.lv/en/product--exsys-ex-42374--1094360
**Data updated:** 2026-07-24 04:28 (EEST)
**Category:** Other goods
**Manufacturer:** Exsys
**Manufacturer code:** EX-42374
**EAN:** 4718359423741
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 221.49 €
**Prices and availability valid until:** 2026-08-24 23:59
**Price without VAT (21%):** 183.05 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--exsys-ex-42374--1094360

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 24.08.2026 | free |
| Pickup points | 27.08.2026 | 1.79 EUR |
| Courier delivery to door | 27.08.2026 | 4.99 EUR |

## Summary description

The Exsys EX-42374 is an internal serial interface card designed for PC use. It features a PCIe host interface and an RS-232 serial output with a baud rate of 921.6 Kbit/s. The card has a FIFO buffer of 256 B, ensuring efficient data handling. It operates on a power supply input voltage of 3.3 or 5 V and weighs 496 g, making it a reliable choice for serial communication needs.

## Long description

The Exsys EX-42374 Internal Serial Interface Card is a reliable component designed to expand the connectivity of standard desktop computers. Featuring a PCI Express host interface, this card allows users to seamlessly integrate legacy serial devices into modern computer systems. Engineered for stability and performance, it supports standard serial communication protocols and provides a dependable connection for various peripheral equipment.
Advantages
This serial interface card ensures efficient data transmission thanks to its high-speed baud rate capability and integrated buffer memory, which helps prevent data loss during heavy communication loads. Its internal design allows for a secure and stable installation directly into the computer chassis, reducing cable clutter on the desk. The compatibility with standard power supply voltages makes it a versatile addition to various PC configurations.
Suitable for
Connecting legacy serial printers and plotters to a modern PC
Interfacing with industrial automation and control equipment
Connecting scientific and measurement instruments
Setting up point-of-sale systems and receipt printers
When it may not be suitable
This product may not be suitable for users who do not have an available PCIe slot inside their computer or for laptops and compact systems that lack internal expansion capabilities. It is also unnecessary for setups that rely exclusively on USB or network connections for peripheral communication.
Key specifications
PCIe host interface
RS-232 serial output
Baud rate up to 921.6 Kbit/s
256 B FIFO buffer
Power supply input voltage of 3.3 or 5 V
Weight: 496 g
How to use
To install the card, power down the computer, unplug it from the electrical outlet, and open the system case. Insert the card firmly into an available PCIe slot and secure the bracket to the computer chassis. Close the case, reconnect the power, and boot the computer. Operating system drivers may need to be installed or updated to ensure proper communication between the operating system and the attached serial devices.
What to consider before purchase
Verify that your computer motherboard has an available PCIe slot
Check if your operating system is compatible with the required drivers
Confirm that your external devices use the RS-232 serial interface
Usage recommendations: Ensure the computer is completely powered off and disconnected from the mains before performing any internal hardware installation to prevent electrical damage. Handle the card by its edges to avoid touching sensitive electronic components.

## Specifications

| Feature | Value |
|---|---|
| Internal | Yes |
| Weight | 0.496 kg |
| Plug and Play | Yes |
| Serial interface type | RS-232 |
| Power supply input voltage | 3.3, 5 |
| Serial ports quantity | 4 |
| Host interface | PCIe |
| Purpose | PC |
| Manual | Yes |
| Baud rate | 921.6 Kbit/s |
| Built-in processor | Yes |
| Windows operating systems supported | Y |
| Output interface | Serial |
| FIFO (First In, First Out) | 256 |

## FAQ

### How much does the Interface Card Exsys EX-42374 cost, and is it available for purchase?

The price is 221.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 24.08.2026 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. 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 Exsys 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 Exsys 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

## Image

https://aio.lv/img/cache/product/1094360/57925167_large.webp