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header-product StarTech.com USB 3.0 to Dual Port Gigabit Ethernet Adapter NIC USB Powered

StarTech.com USB 3.0 to Dual Port Gigabit Ethernet Adapter NIC USB Powered

USB 3.0 to Dual Port Gigabit Ethernet Adapter StarTech.com Photo 1
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USB 3.0 to Dual Port Gigabit Ethernet Adapter StarTech.com Photo 1
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Short description

The StarTech.com USB 3.0 to Dual Port Gigabit Ethernet Adapter provides wired connectivity with a maximum data transfer rate of 5000 Mbit/s. It features dual Ethernet ports and is powered via USB, making it ideal for expanding network capabilities on devices without built-in Ethernet ports. The sleek black design ensures it fits seamlessly into any setup.
Warranty: 2 Years
SKU: 4267140
Manufacturer: StarTech
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Product information

Description

The StarTech.com USB 3.0 to Dual Port Gigabit Ethernet Adapter NIC USB Powered provides two Gigabit Ethernet ports and an integrated USB 3.0 pass-through port from a single USB 3.0 connection. Designed for laptops, ultrabooks and other systems without built-in Ethernet, this compact black adapter delivers wired connectivity with a maximum data transfer rate of 5000 Mbit/s and supports IEEE 802.3i/u/ab standards for 10/100/1000 Mbps operation on each RJ45 port.

Advantages

This dual-port USB NIC enables connection to two separate physical networks simultaneously while maintaining full gigabit throughput by leveraging the 5 Gbps bandwidth of USB 3.0. The adapter is USB powered, conserves host USB ports through an integrated USB 3.0 pass-through port, and includes support for IPv4/IPv6 checksum offload, TCP large send offload, Jumbo Frames, full-duplex operation with 802.3x flow control and VLAN tagging to reduce CPU overhead and improve network efficiency.

Suitable for

  • Connecting a laptop or ultrabook to one or two wired Gigabit Ethernet networks
  • Providing separate physical NICs for virtual machine hosts or multi-homed systems
  • IT administration tasks that require simultaneous access to distinct networks
  • Scenarios where conserving host USB ports is important while adding wired networking

Key specifications

  • Interface to host: USB 3.0 (5 Gbps)
  • Network ports: 2 × RJ45 Gigabit Ethernet (10/100/1000 Mbps)
  • Maximum transfer rate: 5000 Mbit/s (over USB 3.0 link)
  • Network standards: IEEE 802.3i/u/ab compatibility
  • Offload features: IPv4/IPv6 checksum offload, TCP large send offload
  • Additional networking features: Jumbo Frames, full-duplex with 802.3x flow control, VLAN tagging
  • Power: USB powered (no external power adapter required)
  • Color and design: compact black enclosure

How to use

Plug the adapter into an available USB 3.0 port on your computer, connect one or two Ethernet cables to the RJ45 ports and configure network settings in your operating system. If using virtual machines, assign the adapter ports to the desired virtual network interfaces according to your virtualization platform's procedures. No external power supply is required; the adapter draws power from the USB port. Install any required drivers if prompted by the operating system.

Usage recommendations

Use a USB 3.0 host port to ensure full gigabit performance and connect high-quality shielded Ethernet cables for reliable throughput. For multi-homed configurations or virtual machine networking, verify driver compatibility with your OS and check system resources to benefit from offload features and Jumbo Frames.

Specifications

Cable length: How long the cable is.
0.203 m
All features
Internal: The product is built in.
No
Cabling technology: Type of cable technology performance.
10/100/1000BaseT(X)
Maximum data transfer rate: The maximum speed with which data can be transmitted from one device to another.
5000 Mbit/s
Ethernet LAN: An Ethernet LAN (Local Area Network) interface is present, for a wired conection via a cable.
Yes
Connectivity technology: The technology that enables connectivity of the device, e.g. wired or wireless.
Wired
Maximum operating distance: The maximum distance from which you can operate the device.
100 m
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.
2
Jumbo frames support:
Yes
Auto MDIX IEEE:
Yes
Ethernet interface type:
Gigabit Ethernet
Server operating systems supported:
Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Component for: What this product is used as a part of (component for).
PC/Laptop
USB ports quantity:
1
VLAN tagging:
Yes
Status LED indicator:
Yes
Jumbo frames:
4000

Other features

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
Networking standards: The way in which the network is working, e.g. IEEE 802.11a, IEEE 802.11b, IEEE 802.11g.
IEEE 802.1Q, IEEE 802.3ab, IEEE 802.3az, IEEE 802.3i, IEEE 802.3u
Ethernet LAN data rates: The different speed levels of the Ethernet LAN connection.
10, 100, 1000

Logistics data

Products per master (outer) case:
80 pc(s)
Master (outer) case height:
300 mm
Master (outer) case length:
592 mm
Master (outer) case width:
361 mm
Harmonized System (HS) code:
85176990

Technical details

Host interface: Interface that enables a host controller to communicate with a driver.
USB
Housing material: What the casing of the product is made of.
Plastic

Packaging content

Drivers included:
Yes
Manual:
Yes

Packaging data

Package weight: Weight of the packaged product.
154 g
Package height: The distance from the top to the bottom of the packaging.
31 mm
Package depth: The distance from the front to the back of the packaging.
141 mm
Package width: The distance from one side of the packaging to the other.
171 mm

Weight & dimensions

Height: The measurement of the product from head to foot or from base to top.
16 mm
Depth: The distance from the front to the back of something.
75 mm
Width: The measurement or extent of something from side to side.
60 mm
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.
0.059 kg

Power

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

Sustainability

Sustainability compliance:
Yes
Sustainability certificates:
CE, RoHS

Certificates

Certification:
RoHS, CE, FC

Operational conditions

Operating relative humidity (H-H):
5 - 95
Storage temperature (T-T): The minimum and maximum temperatures at which the product can be safely stored.
-20 - 60
Operating temperature (T-T): The minimum and maximum temperatures at which the product can be safely operated.
0 - 50

Features

Linux operating systems supported: 8 RT. Linux (9.4, 9.5), Red Hat Enterprise Linux 5.0 (supported with a pre-built package); SUSE Linux (10.3, 11.0, 11, 11.1, 11.2), Fedora (9, 9.0, 10, 10.0, 11.0, 11, 12, 12.0), Ubuntu (8.04, 8.04.1, 8.04.2, 8.10, 9.04, 9.10, 10.04), Debian (5.0, 5.0.1, 5.0.2, 5.0.3)
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 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 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 8.1, Windows 8.1 Enterprise, Windows 8.1 Enterprise x64, Windows 8.1 Pro, Windows 8.1 Pro x64, Windows 8.1 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 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura
Chipset: Set of electronic components in an integrated circuit that manages the data flow between the processor, memory and peripherals. It is usually found in the motherboard of a computer. Chipsets are usually designed to work with a specific family of microprocessors. Because it controls communications between the processor and external devices, the chipset plays a crucial role in determining system performance.
ASIX - AX88179, VIA/VLI - VL811
Product colour: The colour e.g. red, blue, green, black, white.
Black
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)
Cable length: How long the cable is.
0.203 m

Performance

Compatible operating systems: List of desktop operating systems tested as compatible with this product.
- Windows 8 (32/64bit), 7 (32/64), Vista(32/64), XP(32/64) - Windows Server 2008 R2, 2003(32/64) - Mac OS 10.6 - 10.8 - Linux Kernel 2.6.14 - 3.5.0

Design

LED indicators:
Y

Description

Machine translation.

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Customer reviews

Customer questions

FAQ

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 StarTech 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 StarTech 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: cable length, 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.
payment
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.