Lenovo Mini Ethernet Adapter RJ45 Gigabit – X280 X390 T490
Lenovo Mini Ethernet Adapter RJ45 Gigabit – X280 X390 T490
Lenovo Mini Gigabit Ethernet Port Adapter – RJ45 Wired Network Card
Add fast, reliable wired internet connectivity to your Lenovo ThinkPad with this compact Mini Ethernet Port Adapter. Designed as a plug-and-play external network card, it converts your laptop's proprietary mini port into a standard RJ45 Gigabit Ethernet connection — delivering stable, high-speed wired networking wherever you need it.
Compatible Models
- Lenovo EX280
- Lenovo X280
- Lenovo X390
- Lenovo X13
- Lenovo T490s
- Lenovo T490
- Lenovo T14
Key Features
- Gigabit Speed: Supports up to 1000 Mbps wired network speeds for smooth streaming, video calls, and large file transfers.
- Standard RJ45 Port: Connects directly to any standard Ethernet cable and router or switch.
- Compact & Portable: Slim, lightweight mini adapter design — easy to carry in your laptop bag or briefcase.
- Plug-and-Play: No drivers or additional software required for most systems — simply connect and go.
- Grade A Quality: All units are original, Grade A components — not refurbished or repaired parts.
- Pre-Shipment Tested: Every adapter is individually tested before dispatch to ensure full functionality on arrival.
- 6-Month Warranty: Backed by a 6-month warranty from date of order for added peace of mind.
Specifications
| Interface | Mini Ethernet / RJ45 |
| Speed | Gigabit (10/100/1000 Mbps) |
| Compatible Models | EX280, X280, X390, X13, T490s, T490, T14 |
| Battery Required | No |
| Country of Origin | Made in Mainland China |
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Frequently Asked Questions
Q: Is this Lenovo mini Ethernet adapter compatible with the ThinkPad X280 and T490?
A: Yes! This RJ45 Gigabit Ethernet adapter is specifically designed for Lenovo ThinkPad models including the X280, T490, T490s, X390, X13, T14, and EX280. Always verify your laptop's mini Ethernet port before ordering.
Q: Does the Lenovo mini Ethernet adapter require driver installation?
A: This adapter is designed for plug-and-play use on most systems, meaning no additional driver installation is required in most cases. Simply plug it into the mini Ethernet port on your compatible Lenovo ThinkPad and connect your Ethernet cable.
Q: What network speeds does this RJ45 Gigabit adapter support?
A: This adapter supports standard Gigabit Ethernet speeds of up to 1000 Mbps (1 Gbps), as well as 10 Mbps and 100 Mbps connections, making it compatible with virtually any wired network setup.
Q: Is this a new or refurbished Lenovo Ethernet adapter?
A: This is a brand-new, original Grade A component — not a refurbished or repaired unit. Each adapter is individually tested before shipment to ensure it arrives in perfect working condition.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.