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Product Features
Technical Overview
This adapter utilizes DisplayPort 1.4 Alt mode over USB-C to deliver 4K UHD video at 60Hz through its HDMI output, with an 18Gbps bandwidth that ensures smooth playback and crisp detail. The HDMI interface supports HDR and HDCP for enhanced color depth, contrast, and protected content playback, accommodating 6, 8, 10, and 12-bit color depths across RGB and YCbCr formats.
Network connectivity is provided by a built-in Gigabit Ethernet controller that auto-negotiates 10/100/1000 Mbps speeds and includes Wake-on-LAN support for remote management of compatible hosts. The USB 3.0 Type-A port operates at 5Gbps for fast data transfers with connected storage or peripherals, while also supplying up to 7.5W (5V/1.5A) downstream charging.
Relevant factors for this section include Connectivity Technology, Charging Capability, Supported Resolutions, Ethernet Technology. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
This multiport adapter consolidates critical expansion needs into one reliable device, eliminating the clutter of multiple dongles while ensuring high performance across video, network, and power delivery.
4K Video at Full Refresh
Delivers 3840x2160 resolution at 60Hz for sharp, fluid visuals on external monitors, with HDR support for richer contrast and color gamut in compatible content.
100W Power Delivery
The USB-C PD port can deliver up to 100W to charge host devices rapidly, supporting PD 3.0 with Fast Role Swap for uninterrupted power during connection changes.
Wired Network Stability
Integrated Gigabit Ethernet provides a fast, low-latency connection ideal for video calls, large file transfers, and environments where Wi-Fi is unreliable or congested.
Deployment / Use Cases
This adapter is ideal for professionals using USB-C laptops like Dell XPS, Apple MacBook, or Microsoft Surface devices who need to connect to external 4K monitors, wired networks, and peripherals simultaneously. It serves as a desktop docking station replacement for hot-desking or remote work setups, providing essential ports without a bulky dock.
In educational or corporate fleets, its compatibility across Windows, macOS, ChromeOS, and mobile operating systems simplifies IT provisioning and support. Content creators benefit from the 4K@60Hz HDR output for video editing or design work, while the Gigabit Ethernet ensures fast uploads and stable collaboration tool connections.
Mobile Workstation Expansion
Turn any USB-C laptop into a connected desk setup with a single cable for monitor, network, power, and USB peripherals.
Conference Room & Hot-Desk Ready
Leave adapters at shared workspaces for consistent connectivity across different user devices and operating systems.
Physical Profile
The adapter measures 1.97 inches wide by 0.64 inches tall (50 x 16.2 mm) and weighs approximately 2.4 ounces (68 grams), making it highly portable for travel or daily carry. Its compact design minimizes desk footprint when connected, and the casing is available in Silver or Black to match various device aesthetics. Built-in protection circuits guard against short-circuit, over-current, and over-voltage conditions for reliable operation.
- Width
- 1.97" (50 mm)
- Height
- 0.64" (16.20 mm)
- Weight
- 2.40 oz (68.04 g)
What's in the Box
The package includes the Rocstor Premium USB Type-C 4-in-1 4K Multiport Adapter and a user manual to help with setup and compatibility details.
Package contents include Premium USB Type-C 4-in-1 4K Multiport Adapter, 1 x User Manual. These included items support setup, installation, and immediate deployment without needing to source the core bundled accessories separately.
Highlights
- Expands a single USB-C port to HDMI, Gigabit Ethernet, USB-A, and USB-C PD/data.
- Supports 4K UHD video output at 60Hz refresh rate with HDR and HDCP.
- HDMI bandwidth of 18Gbps via DisplayPort 1.4 Alt mode over USB-C.
- Gigabit Ethernet port with Wake-on-LAN for wired network connectivity.
- USB 3.0 Type-A port provides 5Gbps data transfer and 7.5W downstream charging.
- USB-C Power Delivery port supports up to 100W charging for host devices.
- Broad OS compatibility: Windows, macOS, ChromeOS, Android, iPadOS.
- Compatible with Thunderbolt 3, Thunderbolt 4, and USB4 hosts.
- Includes short-circuit, over-current, and over-voltage protection.
- Backed by a 3-Year Limited Warranty from Rocstor.
Specifications
| Specifications | |
|---|---|
| Manufacturer | Rocstor |
| Manufacturer Part Number | Y10A307-B1 |
| Brand Name | Rocstor |
| Product Line | Premium |
| Product Name | Premium USB Type-C 4-in-1 4K Multiport Adapter |
| Packaged Quantity | 1 |
| Product Type | Docking Station |
| Technical Information | |
| Connectivity Technology | Wired |
| Charging Capability | Yes |
| Supported Resolutions | 3840 x 2160 |
| Screen Mode Supported | 4K @ 60Hz,4K,4K UHD |
| Management Features | Wake-on-LAN |
| Device Supported | Smartphone,Monitor,Notebook,Tablet,Desktop PC |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Interfaces/Ports | |
| Host Interface | USB Type C |
| Total Number of USB Ports | 2 |
| Number of USB 3.0 Ports | 1 |
| Number of USB Type-C Ports | 1 |
| USB Type-C | Yes |
| USB Type-C Detail | 1 x Type-C Female (PD & Data), 1 x USB-C Male |
| Number of USB Type-A Ports | 1 |
| USB Type-A | Yes |
| Number of RJ-45 Ports | 1 |
| Network (RJ-45) | Yes |
| Number of HDMI Outputs | 1 |
| HDMI | Yes |
| USB Power Delivery | 100W |
| Software | |
| Operating System Supported | Windows 10,Windows 11,Windows 8,Android,ChromeOS,iPadOS,macOS 14,Mac OS X 13.0 Ventura,Mac OS X 12.0 Monterey,Mac OS X 11.0 Big Sur,Mac OS X 10.15 Catalina,Mac OS X 10.14 Mojave,Mac OS X 10.13 High Sierra |
| Physical Characteristics | |
| Product Color | Silver,Black |
| Height | 0.64" (16.20 mm) |
| Width | 1.97" (50 mm) |
| Weight (Approximate) | 2.40 oz (68.04 g) |
| Miscellaneous | |
| Package Contents | Premium USB Type-C 4-in-1 4K Multiport Adapter 1 x User Manual |
| Compatibility | Compatible Devices: Chromebook Dell XPS Laptops Apple MacBook Microsoft Surface Tablet Microsoft Surface Notebook USB-C Laptops USB-C Tablets USB4 Laptops, Thunderbolt 3 Laptops Thunderbolt 4 Laptops |
| Environmental Compliance | Waste Electrical and Electronic Equipment Directive (WEEE) |
| Country of Origin | Vietnam |
| Warranty | |
| Limited Warranty | 3 Year |
User Manual
FAQ
What video resolutions does this USB-C adapter support?
The adapter supports 4K UHD resolution at 3840 x 2160 pixels with a refresh rate of 60Hz through its HDMI output. It uses DisplayPort 1.4 Alt mode over the USB-C connection to deliver the 18Gbps bandwidth required for smooth 4K video, and also supports HDR and HDCP for enhanced color depth and protected content playback.
Can this adapter charge my laptop while in use?
Yes, the USB-C Power Delivery port supports up to 100W of charging power, which is sufficient to charge most USB-C laptops, tablets, and smartphones rapidly. It implements PD 3.0 with Fast Role Swap, allowing the adapter to maintain power delivery even if the connection is briefly interrupted, ensuring your device stays charged during use.
What devices are compatible with this multiport adapter?
The adapter works with any USB-C host that supports DisplayPort Alt mode, including Thunderbolt 3, Thunderbolt 4, and USB4 laptops, tablets, and smartphones. Specific compatible devices mentioned include Dell XPS laptops, Apple MacBook, Microsoft Surface tablets and notebooks, Chromebooks, and various USB-C tablets. It supports operating systems like Windows 10/11, macOS, ChromeOS, Android, and iPadOS.
Does the Ethernet port support Gigabit speeds?
Yes, the built-in Gigabit Ethernet controller provides 10/100/1000 Mbps auto-negotiation, delivering full Gigabit wired network performance. This is ideal for stable, high-speed internet connections, large file transfers, or video conferencing where Wi-Fi may be inconsistent. The port also includes Wake-on-LAN support for remotely waking compatible computers over the network.
What is the data transfer speed of the USB-A port?
The USB 3.0 Type-A port operates at up to 5Gbps, enabling fast data transfers with external hard drives, flash drives, or other peripherals. In addition to data, this port can supply up to 7.5W (5V/1.5A) of power for charging smaller devices like smartphones or wireless earbuds, adding convenience without needing a separate charger.
What warranty coverage does this adapter include?
Rocstor provides a 3-Year Limited Warranty for this Premium USB Type-C 4-in-1 4K Multiport Adapter. This warranty covers defects in materials and workmanship under normal use, offering long-term assurance for business or personal deployments. The adapter also includes built-in electrical protection against short-circuit, over-current, and over-voltage conditions to enhance reliability.