Product Overview
The UGREEN USB C to DisplayPort 1.4 Adapter Cable (Model 15575) is designed to connect devices with a USB Type-C or Thunderbolt 4/3 port to a monitor or display with a DisplayPort input. This adapter supports high-resolution video output up to 8K@60Hz, and is backward compatible with 4K@240Hz and 2K@240Hz. It features Dynamic HDR, Variable Refresh Rate (VRR), and Auto Low Latency Mode (ALLM) for enhanced visual and gaming experiences. The cable is constructed with durable braided nylon and an aluminum alloy housing for reliable performance and heat dissipation.

Image: UGREEN USB C to DisplayPort 1.4 Adapter Cable, showcasing its compact design and braided cable.
Key Features
- High Resolution Support: Supports up to 8K@60Hz, 4K@240Hz, and 2K@240Hz.
- Dynamic HDR: Provides more realistic images with brighter colors and higher contrast.
- Advanced Gaming Features: Includes Variable Refresh Rate (VRR) and Auto Low Latency Mode (ALLM) for smoother gameplay.
- Multi-Stream Transport (MST): Allows for daisy-chaining multiple monitors for expanded workspaces.
- Durable Construction: Features braided nylon cable and aluminum alloy housing for enhanced durability and heat dissipation.
- Plug and Play: No drivers or software required for operation.
Setup Instructions
Follow these steps to connect your UGREEN USB C to DisplayPort 1.4 Adapter Cable:
- Verify USB-C Port Compatibility: Ensure your source device's USB-C port supports "DP Alt Mode" (DisplayPort Alternate Mode) or is a Thunderbolt 3 or 4 port. Ports that are "Data Transfer Only" or "Charging Only" will not transmit video.

Image: Diagram illustrating different types of USB-C ports and their video output capabilities. Ports with Thunderbolt, DP Alt Mode, or Data Transfer + DP Alt Mode are compatible.
- Connect to Source Device: Plug the USB-C end of the UGREEN adapter into the compatible USB-C or Thunderbolt port on your laptop, tablet, or smartphone.
- Connect to Display: Connect a DisplayPort cable (not included) from your monitor or display to the DisplayPort female port on the UGREEN adapter.
- Power On Devices: Ensure both your source device and display are powered on. The display should automatically detect the signal.
Video: Demonstrates the simple plug-and-play setup of the UGREEN USB C to DisplayPort adapter, connecting a laptop to an external monitor for an immersive display experience.
Operating Instructions
Display Modes
The adapter supports various display modes to suit your needs:
- Mirror Mode: Duplicates your source device's screen onto the external display. Ideal for presentations or sharing content.

Image: A laptop screen mirrored onto a larger external monitor, demonstrating the mirror display mode.
- Extended Mode: Extends your desktop across multiple displays, allowing for increased productivity and multitasking.

Image: A laptop screen extended to an external monitor, showing different content on each display for an expanded workspace.
- Multi-Stream Transport (MST): For compatible devices and monitors, MST allows you to daisy-chain multiple DisplayPort monitors from a single USB-C port, creating an even larger workspace.
Resolution and Refresh Rate
The adapter supports various resolutions and refresh rates, depending on your source device and display capabilities:
- Up to 8K (7680x4320) at 60Hz.
- Up to 4K (3840x2160) at 240Hz, 165Hz, or 120Hz.
- Up to 2K (2560x1440) at 240Hz, 165Hz, or 120Hz.
- Supports Dynamic HDR for enhanced picture quality.
- Features VRR (Variable Refresh Rate) and ALLM (Auto Low Latency Mode) for smoother gaming.

Image: A side-by-side comparison of 4K@60Hz and 4K@240Hz refresh rates, highlighting the smoother experience with higher refresh rates for gaming.
Maintenance
To ensure the longevity and optimal performance of your UGREEN USB C to DisplayPort 1.4 Adapter Cable, follow these maintenance guidelines:
- Handle with Care: Avoid excessive bending or pulling of the cable, especially near the connectors. The braided nylon jacket provides durability, but extreme force can still cause damage.
- Keep Clean: Use a soft, dry cloth to gently wipe the cable and connectors. Avoid using liquid cleaners or abrasive materials.
- Proper Storage: When not in use, coil the cable loosely and secure it with the included Velcro tie. Store it in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Obstructions: Ensure the aluminum alloy housing has adequate airflow to dissipate heat effectively. Do not cover the adapter during use.

Image: Close-up view of the UGREEN adapter highlighting its metal plug, aluminum housing, and nylon braided cable, emphasizing its durable construction.
Troubleshooting
If you encounter issues with your UGREEN USB C to DisplayPort 1.4 Adapter Cable, refer to the following common solutions:
| Problem | Possible Cause / Solution |
|---|---|
| No display on external monitor. |
|
| Flickering screen or unstable image. |
|
| No audio from external monitor. |
|
| Cannot achieve desired resolution/refresh rate (e.g., 4K@240Hz). |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | UGREEN |
| Model | 15575 |
| Connector Type | USB C to DisplayPort |
| Cable Type | USB |
| Max Resolution Support | 8K@60Hz (7680x4320), 4K@240Hz (3840x2160), 2K@240Hz (2560x1440) |
| Data Transfer Rate | 32.4 Gigabits Per Second (DP 1.4) |
| Special Features | Digital Display, Data Transfer, High Speed, Dynamic HDR, VRR, ALLM, Alu Braided |
| Connector Gender | Male-to-Female |
| Item Weight | 26.5 Grams |
| Compatible Devices | USB-C ports with "DP Alt Mode" or Thunderbolt 3/4. Includes iPhone 17 Pro Max/17 Pro/Air/17/16 Pro Max/16 Pro/16 Plus/16, Galaxy S25/24 Ultra, MacBook Pro 2023/Air 2024, iPad Pro/Air, XPS 17, Dell, Chromebook x360, Surface Book 3, Surface Laptop 4, Samsung Tablet S9, LG V40, Valve Steam Deck, Nvidia RTX 3090, AMD Radeon RX 6900 graphic cards, HDTV, Fire TV, computers, and others. |
Warranty and Support
UGREEN products are designed for reliability and performance. For warranty information, technical support, or customer service inquiries, please refer to the official UGREEN website or contact their customer support team directly. Keep your purchase receipt for warranty claims.
Return Policy: This product typically comes with a 30-day refund/replacement policy. Please check with your retailer for specific return terms.





