Features
USB Type-C Male (Connect to a host computer) 
Rocstor introduces a Type-C to dual HDMI adapter featuring PD Charging under DP1.4 
Alt mode, expanding the host's Type-C port to accommodate two HDMI displays with 
stunning ultra-high denition at a maximum of 4K/60Hz for each display simultane-
ously. With MST function support, both displays can showcase distinct video contents 
concurrently. Additionally, it supports PD Charging with a maximum of 100W, ensuring 
ecient power delivery. Compatible with all DP Alt mode supported Type-C or 
Thunderbolt PCs, this adapter oers seamless connectivity and enhanced display 
capabilities.
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
HDMI X2 
• Supports to output dual 4K/60Hz with
  dierent pictures under MST mode
  when working on Windows System
• Supports to output dual 4K/60Hz with
  the same picture under SST mode when
  working on Mac OS System
• Supports 8/10/12 bit color depth output
• Supports output pixel format
  RGB4:4:4/YCbCr4:4:4/YCbCr4:2:2/
  YCbCr4:2:0
• Supports DSC1.2
• Supports HDCP2.2
• Supports HDR
Note 1: Achieving dual maximum 
4K/60Hz requires the host to support 
DP1.4 Alt mode. When operating on a 
DP1.2 host, the dual maximum is limited 
to 4K/30Hz due to bandwidth constraints.
Note 2: HDR support guarantees optimal 
rendering of every moment in a video, 
showcasing ideal values for depth, detail, 
brightness, contrast, and wider color 
gamuts on a scene-by-scene or even 
frame-by-frame basis.
Upstream:
Downstream:
• Support DP1.4 Alt mode with max 8.1Gbps per lane, 32.4Gbps 4 lanes
• Support reversible connection
Package Contents
Specication
Input 
Output HDMI Female x2
USB-C Female (for PD Charging) x1
USB-C Male x1
3 Years
Operating Temperature
Storage Humidity
Storage Temperature
Operating Humidity
0°C to 45°C (32°F to 113°F)
5% to 90 % RH (no condensation)
-10°C to 70°C (14°F to 158°F)
10% to 85% RH (no condensation)
Introduction
Environmental
Input / Output Connector
Certications FCC, CE
Regulatory Approvals
User Manual English Version
Accessory Adapter
Warranty 
Limited Warranty
Operating Temperature
Size 2.1x1.9x0.4in (55x50x11.5mm)
Mechanical
Weight 1.5lbs (45g)
Power Supply External PD power or bus power
®
Type-C to Dual HDMI with PD Charging
User Manual
Y10A324-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.