# Ethernet Adapter LevelOne USB-0503

**URL:** https://aio.lv/en/product--levelone-usb-0503-v3--4222573
**Data updated:** 2025-12-29 15:47 (EET)
**Category:** Network Cards
**Manufacturer:** LEVELONE
**Manufacturer code:** USB-0503 V3
**EAN:** 4015867224069
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 25.49 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 21.07 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--levelone-usb-0503-v3--4222573

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The LevelOne USB-0503 is a high-speed Ethernet adapter that supports 1000 Mbit/s. It features a USB 3.0 interface for fast data transfer and is compatible with various operating systems. Ideal for enhancing network connectivity on laptops and desktops without built-in Ethernet ports.

## Long description

The LevelOne USB-0503 Ethernet Adapter is a compact USB 3.0 combo adapter that provides a 10/100/1000 Mbps RJ-45 Ethernet port and a 3‑port SuperSpeed USB 3.0 hub. It enables wired network connectivity and additional USB peripheral connections for laptops and desktops that lack a built‑in Ethernet port.
Advantages
The adapter supports wire‑speed 10/100/1000 Mbps transmission and reception and is USB 3.0/2.0/1.0 compliant for broad host compatibility. Installation is plug-and-play for most systems, and the device includes a built‑in Wake-on‑LAN feature for remote startup of connected computers. It is compatible with Windows and macOS platforms and integrates a three‑port SuperSpeed USB hub for connecting peripherals.
Suitable for
MacBook and ultrabook users who need a wired Ethernet connection
Laptops and desktops without a built‑in Ethernet port
Users who require fast local network file transfers or stable wired internet access
Connecting USB peripherals (external drives, cameras, printers) while using a single USB port
Key specifications
Model: LevelOne USB-0503 (MPN: USB-0503 V3)
Network port: 1 x RJ-45 10/100/1000Base-T
USB ports: 3 x USB 3.0 (SuperSpeed), backward compatible with USB 2.0/1.0
Supported protocols: IPv4 / IPv6
Standards: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3az, IEEE 802.3x
Maximum data rate: 1000 Mbit/s
Host interface: USB 3.0
Color: Silver
Weight: 0.0375 kg
EAN: 4015867224069
How to use
Connect the adapter to an available USB port on your computer. Plug an Ethernet cable into the RJ-45 port to establish a wired network connection. Attach any USB peripherals to the three USB 3.0 ports as needed. Most modern operating systems will detect the adapter automatically; if required, install drivers provided by the OS or from the manufacturer's support site to enable full functionality including Wake-on‑LAN.
Usage recommendations
For optimal performance, use a USB 3.0 port on the host device and a Category 5e or higher Ethernet cable to achieve Gigabit speeds. Ensure the latest drivers or OS updates are installed and enable Wake‑on‑LAN in the system BIOS/UEFI and operating system settings if remote startup is required.

## Specifications

| Feature | Value |
|---|---|
| Master (outer) case height | 250 mm |
| Master (outer) case width | 350 mm |
| Component for | PC/Laptop |
| Master (outer) case gross weight | 7900 g |
| Master (outer) case length | 520 mm |
| Products per master (outer) case | 100 pc(s) |
| Sustainability certificates | CE, RoHS |

### Ports & interfaces

| Feature | Value |
|---|---|
| Connectivity technology | Wired |
| Interface | Ethernet |
| Host interface | USB |
| Internal | No |
| Ethernet LAN (RJ-45) ports | 1 |
| USB version | 3.2 Gen 1 (3.1 Gen 1) |
| USB ports quantity | 3 |

### Bandwidth

| Feature | Value |
|---|---|
| Maximum data transfer rate | 1000 Mbit/s |
| Full duplex | Yes |

### Network

| Feature | Value |
|---|---|
| Networking standards | IEEE 802.3, IEEE 802.3ab, IEEE 802.3az, IEEE 802.3u, IEEE 802.3x |
| Ethernet LAN | Yes |
| Ethernet interface type | Fast Ethernet, Gigabit Ethernet |

### Performance

| Feature | Value |
|---|---|
| Plug and Play | Yes |
| Wake-on-LAN ready | Yes |
| Windows operating systems supported | Windows 10, 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 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, 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 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64, Windows Vista, Windows Vista Business, Windows Vista Business 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 Vista x64, Windows XP, Windows XP Home, Windows XP Home x64, Windows XP Professional, Windows XP Professional x64 |
| Mac operating systems supported | 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 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion |

### Design

| Feature | Value |
|---|---|
| Product colour | Silver |
| Country of origin | China |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 0.0375 kg |
| Package weight | 62 g |
| Height | 16 mm |
| Width | 95 mm |
| Depth | 27 mm |
| Package depth | 149 mm |
| Package height | 21 mm |
| Package width | 89 mm |

### Power

| Feature | Value |
|---|---|
| USB powered | Yes |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 0 - 85 |
| Storage temperature (T-T) | -5 - 80 |
| Operating temperature (T-T) | 0 - 40 |
| Storage relative humidity (H-H) | 0 - 85 |

### Packaging content

| Feature | Value |
|---|---|
| Package type | Box |
| Quick installation guide | Yes |

## FAQ

### How much does the Ethernet Adapter LevelOne USB-0503 cost, and is it available for purchase?

The price is 25.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 23 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 01.07.2026 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 LEVELONE 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 LEVELONE 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.

## Image

https://aio.lv/img/cache/product/4222573/54737602_large.webp