StarTech.com 2.5GbE USB A to Ethernet Adapter - NBASE-T NIC - USB 3.0 Type A 2.5 GbE /1 GbE Multi Speed Gigabit Network - USB 3.1 Laptop to RJ45/LAN - Lenovo X1 Carbon, HP EliteBook/ ZBook
Product Technical Specification
Ports & interfaces | |
Connectivity technology | Wired |
Host interface | USB |
Interface | Ethernet |
Ethernet LAN (RJ-45) ports | 1 |
USB version | 3.2 Gen 1 (3.1 Gen 1) |
Network | |
Maximum data transfer rate | 5000 |
Networking standards | IEEE 802.1Q,IEEE 802.3ab,IEEE 802.3bz,IEEE 802.3i,IEEE 802.3u,IEEE 802.3x |
Auto MDIX IEEE | Yes |
Full duplex | Yes |
Jumbo frames support | Yes |
Jumbo frames | 16000 |
VLAN tagging | Yes |
Design | |
Component for | PC/Notebook |
Product colour | Black,Grey |
Internal | No |
Chipset | Realtek - RTL8156 |
LED indicators | Link,Speed |
Mean time between failures (MTBF) | 10000 |
Certification | CE, FCC, REACH |
System requirements | |
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 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 8.1,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 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 10.15.3 Catalina,Mac OS X 13.0 Ventura |
Linux operating systems supported | Yes |
Server operating systems supported | Windows Server 2008 R2,Windows Server 2012 R2,Windows Server 2016 |
Operational conditions | |
Operating temperature (T-T) | 0 - 70 |
Storage temperature (T-T) | -10 - 55 |
Operating relative humidity (H-H) | 5 - 90 |
Sustainability | |
Sustainability certificates | RoHS |
Weight & dimensions | |
Depth | 30 |
Height | 16 |
Weight | 39.7 |
Packaging data | |
Package width | 145 |
Package depth | 175 |
Package height | 30 |
Logistics data | |
Harmonized System (HS) code | 85176990 |
Master (outer) case width | 435 |
Master (outer) case length | 420 |
Master (outer) case height | 415 |
Products per master (outer) case | 70 |
Other features | |
Quick start guide | Yes |
Cable length | 0.15 |
Delivery Options

Economy Delivery (UK)

Business Express
Add 2.5 GbE network access to your laptop, using the USB-A port on your laptop. This USB 3.0 Type-A to Gigabit network adapter gives you wired Ethernet network access.
Powerful 2.5 Gigabit Network Connections
Ideal for office or home use, the network adapter supports full 2.5 Gigabit bandwidth by harnessing the performance of USB 3.0. You can quickly access very large files over a 2.5 Gigabit network, saving valuable time every day.
Native Driver Support Makes Installation Easy
Get up and running quickly. Simply plug this USB-A to Ethernet adapter into the USB port on your laptop and connect to your network. The network adapter Realtek RTL8156 chipset provides native driver support for Mac OS and Linux. Any Windows operating systems without the driver will be automatically prompted to download the software directly from the adapter, ensuring a quick installation with no Internet access required.
Compact & Lightweight for Perfect Portability
Compact and portable, this USB Gigabit network adapter is the ideal desktop network adapter or laptop accessory. You don’t have to carry a power adapter with you to use it, because it’s powered directly from the host USB port.
The Choice of IT Pros Since 1985
StarTech.com conducts thorough compatibility and performance testing on all our products to ensure we are meeting or exceeding industry standards and providing high-quality products to IT Professionals. Our local StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-sales.
The US2GA30 is backed by a StarTech.com 2-year warranty and free lifetime technical support.
The StarTech.com Advantage
- HIGH PERFORMANCE: 2.5GbE USB A to Ethernet Adapter allows you to securely connect to high-speed Networks and is backwards compatible with existing Gigabit LANs
- NBASE-T & 2.5GBASE-T: USB 3.1 Ethernet adapter offers bandwidth for content creators & power users on high performance Laptops/Workstations incl. Lenovo ThinkPad X1 Carbon Dell XPS HP EliteBook/ZBook
- USB 3.0/3.1 Type-A
Ports & interfaces | |
Connectivity technology | Wired |
Host interface | USB |
Interface | Ethernet |
Ethernet LAN (RJ-45) ports | 1 |
USB version | 3.2 Gen 1 (3.1 Gen 1) |
Network | |
Maximum data transfer rate | 5000 |
Networking standards | IEEE 802.1Q,IEEE 802.3ab,IEEE 802.3bz,IEEE 802.3i,IEEE 802.3u,IEEE 802.3x |
Auto MDIX IEEE | Yes |
Full duplex | Yes |
Jumbo frames support | Yes |
Jumbo frames | 16000 |
VLAN tagging | Yes |
Design | |
Component for | PC/Notebook |
Product colour | Black,Grey |
Internal | No |
Chipset | Realtek - RTL8156 |
LED indicators | Link,Speed |
Mean time between failures (MTBF) | 10000 |
Certification | CE, FCC, REACH |
System requirements | |
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 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 8.1,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 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 10.15.3 Catalina,Mac OS X 13.0 Ventura |
Linux operating systems supported | Yes |
Server operating systems supported | Windows Server 2008 R2,Windows Server 2012 R2,Windows Server 2016 |
Operational conditions | |
Operating temperature (T-T) | 0 - 70 |
Storage temperature (T-T) | -10 - 55 |
Operating relative humidity (H-H) | 5 - 90 |
Sustainability | |
Sustainability certificates | RoHS |
Weight & dimensions | |
Depth | 30 |
Height | 16 |
Weight | 39.7 |
Packaging data | |
Package width | 145 |
Package depth | 175 |
Package height | 30 |
Logistics data | |
Harmonized System (HS) code | 85176990 |
Master (outer) case width | 435 |
Master (outer) case length | 420 |
Master (outer) case height | 415 |
Products per master (outer) case | 70 |
Other features | |
Quick start guide | Yes |
Cable length | 0.15 |
Buykingston order despatch times:
We will despatch your order the very same day if we receive cleared payment by 12:00 pm Mon-Fri.
These delivery estimates apply when you order up to 12:00 pm Mon-Fri (excluding public holidays).
We charge a one off delivery cost as outlined below regardless of how many items you order or the weight of your order.
Estimated delivery times are provided to us by the respective delivery companies. We pass this information onto you, the customer.
Despatch times do not apply to UK public holidays.
Estimated delivery times are taken from the next available working day available for delivery. For example if an order was despatched on a working Wednesday by 3pm, the first available working day for delivery would be Thursday provided you placed your order by 3pm on the Wednesday. If the next available weekday is a UK bank holiday/public holiday then your order will be despatched on the next available working day.
Our warehouse reserves the right to upgrade the delivery method you select on your order.
Our available delivery options*
Contact us for a shipping quote.
*All delivery times are estimated unless stated.
Product Returns Note
Buykingston offers a very flexible and hassle free returns policy. If
for whatever reason you are not happy with the item purchased you can return
it to us within 12months for a refund (for unused and unopened
items) or within 30 days on opened and used items for a refund. This
applies to items purchased direct through Buykingston only.
Our 30 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items opened and used and that are returned in a resellable
condition.
Our 365 Day Returns Money Back Guarantee Satisfaction
Guarantee:
For items that remain sealed and unused.
Some items are excluded from our moneyback guarantee unless they have developed a fault. These include;
- Headphones
- Earphones
- Custom made and designed products such as flash memory products with
custom logo’s on them. E,g USB flash drives and memory cards with your own
logo
Returns FAQs
What is your returns criteria?
On opened items 30 days from date of receipt or expected date of receipt on
non tracked items.
On unopened items 365 days.
How do i go about returning my order?
Please contact us via our contact page with
your order number where we will present you with an RMA number and returns
label.
Do i need to contact you before returning my order?
Yes, to obtain an RMA number.
Does my item have to include its original packaging?
Yes for items that fall within our 30 day money back guarantee and our 365
day returns. Of course for faulty items we realise you may no longer have
the packaging.
Who deals with the warranty on a faulty item?
We will. In some circumstances we may ask you to contact the manufacturer
direct for assistance.
Please ensure you have read and comply in full with Section 11 & 13 of our terms and conditions which you can read here in full.