# Network Card EXSYS EX-1321-4K Ethernet 1000 Mbit/s

**URL:** https://aio.lv/en/product--exsys-ex-1321-4k--3432856
**Data updated:** 2026-01-28 13:00 (EET)
**Category:** Other goods
**Manufacturer:** Exsys
**Manufacturer code:** EX-1321-4K
**EAN:** 4718359132186
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 107.49 €
**Prices and availability valid until:** 2026-08-24 23:59
**Price without VAT (21%):** 88.83 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--exsys-ex-1321-4k--3432856

## 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-1321-4K is a wired network card with a maximum data transfer rate of 1000 Mbit/s. It features a USB host interface and Ethernet connectivity, making it ideal for high-speed internet access and reliable network connections. Its sleek grey design ensures it fits well in any setup.

## Long description

The EXSYS EX-1321-4K is a wired network adapter that provides Gigabit Ethernet connectivity (up to 1000 Mbit/s) via a USB host interface. It is designed for easy installation without opening the host system and can be used with notebooks, desktop computers or mounted in a 19-inch rack. A DIN-rail kit is included for rack installation. The adapter supports operation alongside an existing network card and includes 4 kV optical isolation on the network port for enhanced signal protection.
Advantages
The adapter delivers up to 1000 Mbit/s Ethernet performance over a USB 3.0/3.1 (Gen1) or USB 2.0 port, enabling high-speed wired network access. Installation does not require opening the computer, and the device can operate concurrently with an existing network card. Built-in 4 kV optical isolation helps protect the network interface. A DIN-rail kit is supplied for convenient 19-inch rack mounting.
Suitable for
Adding Gigabit Ethernet to laptops and desktops via USB
Industrial or rack-mounted setups requiring DIN-rail installation in a 19-inch rack
Environments where galvanic isolation or increased port protection is needed
Key specifications
Interface: USB 3.0/3.1 (Gen1) and USB 2.0 host
Network speed: 10/100/1000 Mbit/s (Gigabit Ethernet)
Isolation: 4 kV optical isolation on network port
Form factor: external USB-to-Ethernet adapter with DIN-rail kit for 19-inch rack
Color: grey
How to use
Connect the EX-1321-4K to a host device using a USB 3.0/3.1 (Gen1) or USB 2.0 port, then attach an Ethernet cable to the RJ45 network port. If rack installation is required, mount the adapter using the supplied DIN-rail kit in a 19-inch rack. The adapter can be used alongside an existing internal network card; driver installation may be required depending on the host operating system.
Usage recommendations
For best performance, use a USB 3.0/3.1 (Gen1) port and Cat5e or better Ethernet cabling to achieve Gigabit speeds. Ensure proper grounding and follow site-specific safety procedures when installing the adapter in industrial or rack environments.

## Specifications

| Feature | Value |
|---|---|
| Interface | Ethernet |
| Internal | No |
| Weight | 0.2 kg |
| Certification | CE, FCC |
| Operating relative humidity (H-H) | 5 - 95 |
| Cabling technology | 10/100/1000BaseT(X) |
| Chipset | ASIX AX88179 |
| Storage temperature (T-T) | -40 - 75 |
| Operating temperature (T-T) | 0 - 55 |
| Maximum data transfer rate | 1000 Mbit/s |
| Ethernet LAN | Yes |
| Height | 20.5 mm |
| Width | 65 mm |
| Depth | 42.5 mm |
| Connectivity technology | Wired |
| Product colour | Grey |
| Networking standards | IEEE 802.3, IEEE 802.3ab, IEEE 802.3az, IEEE 802.3u, IEEE 802.3x |
| Cables included | USB |
| Ethernet LAN (RJ-45) ports | 1 |
| Wake-on-LAN ready | Yes |
| Host interface | USB |
| Flow control support | Yes |
| Ethernet LAN data rates | 1000, 100, 10 |
| Manual | Yes |
| Windows operating systems supported | Windows 10, Windows 7, Windows 8, Windows 8.1, Windows Vista, Windows XP |
| Mac operating systems supported | Y |
| Linux operating systems supported | Y |
| USB version | 3.2 Gen 1 (3.1 Gen 1) |
| Mounting brackets included | Yes |
| USB ports quantity | 1 |
| Compliance certificates | RoHS |

## FAQ

### How much does the Network Card EXSYS EX-1321-4K cost, and is it available for purchase?

The price is 107.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 29 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

### Where can I download the instructions for Network Card EXSYS EX-1321-4K?

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/3432856/64215369_large.webp