U-1980 USB 3.1 2.5G 4-Speed Gigabit LAN Adapter


Supports 10/100/1000/2500Mbps Ethernet
Up to 16KB jumbo frames

  • Ordering Code: U-1980
  • Part No: U3-R23-LN20-11-00012
  • Solution: RTL8156

This USB 3.1 Gen 1 2.5G 4-Speed Multi-Gigabit Ethernet Adapter supports data rate up to 2.5 Gbps.

It is aimed at lower the cost to upgrade Gigabit Ethernet to 2.5G Ethernet. It will increase business working efficiency by increasing the network speed.

It will also greatly reduce file transfer time between networked devices in a home environment, where video streaming over the network is becoming commonplace.


Compliant with USB 3.1 Gen1,USB 2.0and USB 1.1

Supports 10/100/1000/2500Mbps Ethernet

Supports IEEE 802.1Q VLAN tagging

Supports IEEE 802.3az (Energy Efficient Ethernet)

Supports IEEE 802.3bz(2.5GBASE-T)

Supports Full Duplex flow control (IEEE 802.3x)

Downstream port: RJ45

Up to 16KB jumbo frames


System Requirements

Windows® 7/8/8.1/10 (32/64 bit)

Linux 3. x or later; Linux 4. x or later


Package Contents

1 x USB 3.1 Gen 1 2.5G 4-Speed Multi-Gigabit Ethernet Adapter

1 x Driver CD

1 x User Manual 

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