# Ethernet Adapter D-Link DUB-E250 USB-C to 2.5G

**URL:** https://aio.lv/en/product--d-link-dub-e250--3956096
**Data updated:** 2025-12-16 14:50 (EET)
**Category:** Network Cards
**Manufacturer:** D-Link
**Manufacturer code:** DUB-E250
**EAN:** 790069457494
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 42.99 €
**Prices and availability valid until:** 2026-07-06 23:59
**Price without VAT (21%):** 35.53 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--d-link-dub-e250--3956096

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.06.2026 | free |
| Pickup points | 29.06.2026 | 1.99 EUR |
| Courier delivery to door | 29.06.2026 | 4.99 EUR |

## Summary description

The D-Link DUB-E250 is a USB-C to 2.5G Ethernet adapter that provides wired connectivity with a maximum data transfer rate of 2500 Mbit/s. It is USB powered and features a sleek white design, making it a perfect addition to your tech setup. Ideal for high-speed internet access, this adapter is compatible with various devices equipped with USB Type-C ports.

## Long description

The D-Link DUB-E250 USB-C to 2.5G Ethernet adapter upgrades laptops and desktops with a USB Type-C port to multi-gigabit wired connectivity. Compact and USB-powered, it delivers up to 2500 Mbit/s in a white, pocketable design and is compatible with existing Fast Ethernet and Gigabit networks.
Advantages
The adapter provides 2.5 Gbps Ethernet speeds over a single USB-C connection, more than twice the throughput of standard Gigabit Ethernet. It includes a preloaded driver for instant plug-and-play installation, a compact portable form factor, and dynamic power management that reduces power draw when traffic is light, idle, or the cable is unplugged.
Suitable for
Ultra-thin laptops and notebooks with USB-C / Thunderbolt 3 ports and no built-in Ethernet
Desktops needing a quick multi-gigabit upgrade without opening the case
Transferring large files, backups to NAS or servers, and other network-intensive tasks
Key specifications
Model: D-Link DUB-E250
Interface: USB Type-C host; Ethernet network interface
Maximum data transfer rate: 2500 Mbit/s (2.5 Gbps)
Power: USB powered (draws power from USB-C port)
Networking standards: IEEE 802.3, 802.3u, 802.3ab, 802.3bz, 802.3x, 802.3az, 802.1Q, 802.1p
Colour: White
Weight: 0.0285 kg
How to use
Plug the DUB-E250 into an available USB-C port on your laptop or desktop. The adapter contains a built-in driver that installs automatically, enabling immediate connection to your router, switch, or network at up to 2.5 Gbps. Connect an Ethernet cable from the adapter to your network device and verify link/activity via your operating system’s network settings.
Usage recommendations
For best performance use with multi-gigabit-capable switches, routers, and cabling (CAT5e or higher recommended). The adapter is backward compatible with Gigabit and Fast Ethernet networks. To conserve battery on portable devices, rely on the adapter’s dynamic power management when traffic is light or when idle.

## Specifications

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 85176990 |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| Interface | Ethernet |
| Host interface | USB Type-C |
| Internal | No |
| Ethernet LAN (RJ-45) ports | 1 |
| USB version | 2.0/3.2 Gen 1 (3.1 Gen 1) |

### Bandwidth

| Feature | Value |
|---|---|
| Maximum data transfer rate | 2500 Mbit/s |
| Full duplex | Yes |

### Network

| Feature | Value |
|---|---|
| Networking standards | IEEE 802.3x, IEEE 802.3u, IEEE 802.3bz, IEEE 802.3az, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3, IEEE 802.3ab |
| Ethernet LAN | Yes |
| Flow control support | Yes |
| Ethernet LAN data rates | 100, 2500, 1000, 10 |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| VLAN tagging | Yes |

### Performance

| Feature | Value |
|---|---|
| Plug and Play | Yes |
| Cable length | 0.16 m |
| Hot-Plug support | Yes |
| Auto MDIX IEEE | Yes |
| Windows operating systems supported | Windows 8 x64, 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 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 7 Home Basic x64, Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 IOT Core, Windows 7 Home Premium, Windows 7 Home Basic, Windows 7 Enterprise x64, Windows 7 Enterprise, Windows 10 Pro x64, Windows 10 Home x64, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 7 |
| Mac operating systems supported | Mac OS X 10.14 Mojave, Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.9 Mavericks, Mac OS X 10.8 Mountain Lion, Mac OS X 10.7 Lion, Mac OS X 10.6 Snow Leopard, Mac OS X 10.15 Catalina |

### Design

| Feature | Value |
|---|---|
| Product colour | White |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0285 kg |
| Height | 15 mm |
| Width | 21.5 mm |
| Depth | 53 mm |

### Power

| Feature | Value |
|---|---|
| USB powered | Yes |
| Power consumption | 250 mA |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 10 - 85 |
| Storage temperature (T-T) | 10 - 70 |
| Operating temperature (T-T) | 10 - 45 |
| Storage relative humidity (H-H) | 5 - 90 |

### Certificates

| Feature | Value |
|---|---|
| Certification | CE, FCC, IC |

## FAQ

### How much does the Ethernet Adapter D-Link DUB-E250 cost, and is it available for purchase?

The price is 42.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 26 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 22.06.2026 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 D-Link 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 D-Link 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: connectivity technology, interface, host interface, maximum data transfer rate, weight, networking standards, product colour, 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 Ethernet Adapter D-Link DUB-E250?

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/3956096/54735971_large.webp