JCE145 USB-C™ to 2.5G Ethernet Adapter

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  • About This Product

      j5create’s JCE145 is a simple external adapter that plugs into the USB-C port on your laptop or MacBook®. The JCE145 is an optimal solution if you do not have an Ethernet port or if you just want to increase your network speed.

      The elegantly designed JCE145 uses an RJ-45 connector that supports 10M/100M/1G/2.5 Gbps Ethernet performance.

      Key Features

      • • Quickly add a 2.5 Gigabit Ethernet port over USB-C
      • • USB plug-and-play
      • • USB 3.1 Gen1 and backwards compatible with USB 2.0/1.1
      • • Transfer all your files almost instantly over a true Gigabit network
      • • USB bus-powered
      • • Compatible with Windows®,macOS®, Chrome OS and Linux®
      • • Activity and Link LED indicators
      • • USB-C male and RJ-45 female port
      • • Supports 10M/100M/1000M/2.5 Gbps data speeds
      • • Supports Wake-on-Lan (WOL) function
      • • Supports IEEE 802.3az-2010, also known as Energy Efficient Ethernet (EEE)
      • • Reduce CPU loading, Microsoft® NDIS5, NDIS6 Checksum Offload Engine (IPv4, IPv6, TCP, UDP) and Segmentation Task-offload (large send v1 and large send v2) support
  • JCE145 Support

    • At j5create we strive to maintain 100% customer satisfaction and functionality, no matter what product or system you may have. We have a dedicated technical support specialists waiting to assist you and your specific needs.

      Call Us: 888-988-0488
      Email Us: service@j5create.com
  • JCE145 Specifications

    • Hardware Specifications


      2 years

      Host Connector

      USB-C™ Male connector

      Supports USB™ 3.0 & 2.0 & 1.1 specifications

      Power Source

      < 700 mW

      Network Interface

      RJ-45 female connector

      LED Indicators

      Green LED:
      10M/100M/1000M/2.5 Gbps connected

      Amber LED:
      Blinking: Transmitting data


      USB-C male connector

      RJ-45 female connector

      Physical Specifications


      Space gray

      Enclosure Type


      Cable Length:

      100 mm


      68 (W) x 23 (H) x 14.5 (D) mm

      Product Weight


      Operating Temperature

      0-40 °C

      Operation Humidity

      <85% non-condensing

      Storage Temperature

      - 10-65 °C

      Storage Humidity

      <85% non-condensing

      System Requirements

      • Windows® 10
      • Windows Server 2016/2012/2008R2/2008
      • macOS® 10.6 and later
      • Linux® Kernel up to 4.15
      • Chrome OS
      • Native Driver Support, no additional driver needed in Windows® 10, macOS® 10.6 and later, or Chrome OS
      • Available USB-C port (USB 3.0 is recommended)

      Package Contents

      • USB-C to 2.5G Ethernet Adapter x1
      • Quick Installation Guide x1

  • 2.5X Faster Upload and Download Speeds
  • Quickly add a high-performance wired network access, supporting 10M/100M/1000M/2.5 Gigabit bandwidth.

  • LED Activity Indicator
  • Green LED : activity and link
    Amber LED : data transfer

  • Native Driver Support
  • No driver needed for Windows® 10, macOS® 10.6 and later or Chrome OS. Native driver support also ensures a quick setup for operating systems that require a driver.

  • Reversible USB-C Connector
  • Thunderbolt 3 compatible. The reversible design allows you to connect your cable without worrying about the plug's orientation or the cable's direction.

  • Aluminum Housing
  • Sleek aluminum housing allows for heat dissipation.

  • Surge Protection
  • Designed to protect the components and your device from voltage spikes, and extend the lifespan of the adapter.

  • Universal Compatibility
  • Compatible with Windows®, macOS®, Chrome OS, Linux® and Thunderbolt 3.