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Features

USB Type-C Male 

(Connect to host computer)

Introduction

Package Contents

This is a Premium Rocstor USB 3.1 Type-C to three USB 3.0 ports with Gigabit Ethernet 

port, designed for connecting three USB devices or hubs to a host computer. Besides, 

the host computer can easily get access to the network through the Gigabit Ethernet 

port. It can work on Macbook or Google new Chromebook Pixel and other USB-C 

supported devices.

RJ45 x1

• Supports 10/100/1000Mbps bandwidth  

  for RJ45 port

Upstream:

Downstream:

FEATURES

• Support twisted pair crossover detection and auto-correction

• USB-C port supports plug and play, hot swap

• Easy to carry and use

Before attempting to use this unit, please check the packaging and make sure 

the following items are contained in the Packaging:

• Main unit x1

• User Manual x1

 

 

 

Be

 

Specification

How to Use

System Requirement

Input / Output Connector

Input 
Output

USB 3.0 Female x3
RJ45 X1

USB Type-C Male x1

Warranty

Limited Warranty

2 Year

Environmental

Operating Temperature
Operating Humidity
Storage Temperature
Storage Humidity

Regulatory Approvals

Certifications

FCC, CE

Power Supply

Power Source

USB Bus Power

Accessories 

User Manual

English Version

Mechanical

Size (L-W-H)
Weight (Net)

78x41x15mm - (2.9”x1.6”x0.6”)
37.1gr - (1.3oz)

1 • Connect the USB-C male port of this product to Macbook or Chromebook or other   

      USB-C host.

2 • Connect the three USB3.0 ports to three USB devices 

3 • Connect the three USB 3.0 outputs of this product to three USB 3.0/2.0 devices.

4 • Connect Gigabit Ethernet port of this product to Ethernet Router  with an Ethernet  

      cable.

Host computer with an available USB-C Port

- USB 3.0/3.1/3.2

Operating systems

- Windows 7 / 8 / 10 / 11

- Android OS

- Chrome OS

- Linux OS

- Mac OS v10.5 or above

0°C to + 45°C - (32°F to + 113°F)
10% to 90 % RH (no condensation)
-10°C to + 70°C - (14°F to + 158°F) 
10% to 90 % RH (no condensation)

®

4 Port USB Type-C® Hub with Gigabit 

Ethernet RJ45 GbE Port 4x USB-A - Black

User Manual

Y10A251-B1

Congratulations

Thank you for purchasing this premium Rocstor Product. For optimum performance and 

safety, please read these instructions carefully before connecting, operating or using this 

product. Please keep this manual for future reference. 

USB-A X3

• Max 900mA per port (only one port is connected), when  

  two or more ports are connected at the same time, the  

  total max output depends on the host PC (eg, max 900mA  

  on Chromebook, max 1.5A on Macbook)

• Support USB 3.0 super speed (5Gbps) transmission,  

  downward compatible USB2.0

• USB 3.0 port supports to charge and transmit data for the  

  USB device simultaneously

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