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USB-C® to 2.5 Gigabit Ethernet Adapter

macOS® / Windows® / Chrome OS™ / Linux® Compatible 
Model: JCE145C
$ 49.99

j5create’s JCE145C is a simple external adapter that plugs into the USB-C® port on your laptop or MacBook®. The JCE145C is an optimal solution if you do not have an Ethernet port or if you just want to increase your network speed. A USB™ Type- A adapter is connected for added compatibility with devices that lack the Type-C port.

The elegantly designed JCE145C uses an RJ-45 connector that supports 2.5 Multi-Gigabit Ethernet performance.



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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

Plug and Play

No driver needed for Windows® 10, macOS® 10.6 and later or Chrome OS™. Ensures a quick setup.

The USB-C® cable comes with a Type-A adapter for added compatibility

Aluminum Housing

Sleek aluminum housing allows for heat dissipation.

Energy Efficient Ethernet

Supports IEEE 802.3az-2010, let's you enjoy the benefits such as reduced energy consumption and lower operating costs.

Universal Compatibility

Compatible with Windows®, macOS®, Chrome OS™, Linux® and Thunderbolt™ 3.

  • Quickly add a 2.5 Gigabit Ethernet port over USB-C® or USB™ Type-A with the attached adapter 
  • USB™ plug-and-play, no driver installation needed 
  • USB™ 3.2 Gen 1 and backwards compatible with USB™ 2.0/1.1 
  • Transfer all your files almost instantly over a true Multi-Gigabit network 
  • Compatible with Windows®, macOS®, Chrome OS™ and Linux® 
  • Activity and Link LED indicators 
  • Supports 10M/100M/1000M/2.5Gbps data speeds 
  • Supports Wake-on-Lan (WOL) function 
  • Supports IEEE 802.3az-2010 Energy Efficient Ethernet (EEE) 
host connector

USB-C® / USB™ Type A Male 

industry standards
IEEE 802.3az / 802.3 / 802.3u / 802.3ab / 802.3x
led indicators

Green: Link

Amber: Activity 

network interface
RJ45 Female (Gigabit Ethernet
power source
2 Year Limited
compatible networks
10/100/1000/2500 Base-T, auto-negotiating
full duplex support
maximum distance
330 ft (100 m)
max data transfer rate

2.5 Gbps

Mouse Specifications
Physical Specifications
cable length
3.93 in. (100 mm)
Space Grey
enclosure type
operating humidity
< 85% non-condensing
operating temperature
-14 to 149°F (-10 to 65°C
product depth
0.57 in. (14.5 mm)
product height
0.9 in. (23 mm)
product weight
1.23 oz (35g
product width
2.67 in. (68mm)
storage humidity
< 85% non-condensing
storage temperature
-14 to 149°F (-10 to 65°C)
Wireless Protocols
Package Contents
  • 1 - JCE145C USB-C® 2.5 Gigabit Ethernet Adapter 
  • 1 - Quick Installation Guide (QIG)
System Requirements
  • Windows® 10/11
  • Windows Server™ 2016/2012/2008R2/2008 or later 
  • macOS® 10.8 or later 
  • Linux® Kernel up to 5.17 
  • Chrome OS™ 
  • Native Driver Support, no additional driver needed for Windows® 10/11, macOS® 10.8 later 
  • Available USB-C® port 
Special Notes
  •  No driver installation is required