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header-product Ethernet Adapter LevelOne USB-0503
25.49 €

Ethernet Adapter LevelOne USB-0503

Ethernet Adapter LevelOne USB-0503 Photo 1
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Ethernet Adapter LevelOne USB-0503 Photo 1
Ethernet Adapter LevelOne USB-0503 Photo 2
Ethernet Adapter LevelOne USB-0503 Photo 3
Ethernet Adapter LevelOne USB-0503 Photo 4
Ethernet Adapter LevelOne USB-0503 Photo 5
Ethernet Adapter LevelOne USB-0503 Photo 6
Ethernet Adapter LevelOne USB-0503 Photo 7
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Short 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.
Available at price 25.49 €: 9 pcs.
Total available for order: 18 pcs.
Warranty: 2 Years
SKU: 4222573
free shipment

Cheapest delivery:

Unisend LV

Pick-up points

Unisend LV

Cost

1.99 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
05.10.2026 {{selectedOffer.officeDeliveryString}}
free
Courier Delivery Please note that in case of a large parcel additional delivery costs may apply!
08.10.2026 {{selectedOffer.courierDeliveryString}}
From 4.99 € (Weight: 0.06 kg)
Parcel couriers
Unisend LV / Venipak Pickup LV / Venipak Locker LV / DPD Paku skapis / Omniva LV / Latvijas Pasts pakomāts / Latvijas Pasts nodaļa
08.10.2026 {{selectedOffer.parcelStationDeliveryString}}
From 1.99 €
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Product information

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

Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wired
Interface: Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
Ethernet
Host interface: Interface that enables a host controller to communicate with a driver.
USB
Maximum data transfer rate: The maximum speed with which data can be transmitted from one device to another.
1000 Mbit/s
Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.0375 kg
Networking standards: The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g.
IEEE 802.3, IEEE 802.3ab, IEEE 802.3az, IEEE 802.3u, IEEE 802.3x
Product colour: The colour e.g. red, blue, green, black, white.
Silver
All features
Master (outer) case height:
250 mm
Master (outer) case width:
350 mm
Component for: What this product is used as a part of (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

Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wired
Interface: Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
Ethernet
Host interface: Interface that enables a host controller to communicate with a driver.
USB
Internal: The product is built in.
No
Ethernet LAN (RJ-45) ports: Number of Ethernet LAN (RJ-45) ports (connecting interfaces) in the device. Ethernet LAN (RJ-45) ports allow a computer to connect to the ethernet.
1
USB version: Universal Serial Bus (USB) is an industry standard developed in the mid-1990s that defines the interface used for connection, communication and power supply between computers and electronic devices. Every new version - for example 1.1, 2.0, 3.0 - is much faster than the previous one.
3.2 Gen 1 (3.1 Gen 1)
USB ports quantity:
3

Bandwidth

Maximum data transfer rate: The maximum speed with which data can be transmitted from one device to another.
1000 Mbit/s
Full duplex: A full-duplex system allows communication in both directions, and unlike half-duplex, allows this to happen simultaneously.
Yes

Network

Networking standards: The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g.
IEEE 802.3, IEEE 802.3ab, IEEE 802.3az, IEEE 802.3u, IEEE 802.3x
Ethernet LAN: An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.
Yes
Ethernet interface type:
Fast Ethernet, Gigabit Ethernet

Performance

Plug and Play: Indicates whether this product supports is "plug and play". Plug and play is hardware or software that, after being installed ("plugged in"), can immediately be used ("played with"), as opposed to hardware or software which requires configuration.
Yes
Wake-on-LAN ready:
Yes
Windows operating systems supported: Windows vesions wich can be used with the device.
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 operating systems e.g. OS X can be used with the device.
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

Product colour: The colour e.g. red, blue, green, black, white.
Silver
Country of origin: Country where the device is made. Aka Country of manufacture (COM).
China

Weight & dimensions

Weight: Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
0.0375 kg
Package weight: Weight of the packaged product.
62 g
Height: The measurement of the product from head to foot or from base to top.
16 mm
Width: The measurement or extent of something from side to side.
95 mm
Depth: The distance from the front to the back of something.
27 mm
Package depth: The distance from the front to the back of the packaging.
149 mm
Package height: The distance from the top to the bottom of the packaging.
21 mm
Package width: The distance from one side of the packaging to the other.
89 mm

Power

USB powered: The device can be powered via a USB connection.
Yes

Operational conditions

Operating relative humidity (H-H):
0 - 85
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-5 - 80
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 40
Storage relative humidity (H-H):
0 - 85

Packaging content

Package type: The type of product package e.g. box.
Box
Quick installation guide:
Yes

Description

Machine translation. Load original

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Stock data
Available only for legal entities
Warehouse Stock Delivery to the store Store Price
EU6 9 05.10.2026 Best delivery
25.49 € Best price
WH109 9 19.10.2026
45.99 €
Available only for legal entities
25.49 €
Stock: 9
Delivery Date: 05.10.2026 Best delivery
Warehouse: EU6
45.99 €
Stock: 9
Delivery Date: 19.10.2026
Warehouse: WH109

Customer reviews

Customer questions

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 — 18 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 05.10.2026 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 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. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

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.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.