Why can’t my screen display images properly?

1. check for any interface connection issues 2.Make sure the computer has the required video protocol for video output 3.Attempt to lower the display resolution or upgrade to a higher-standard HDMI cable.

Which systems is this device compatible with?

The device is compatible with Windows, macOS, and Linux, but please note that when using the HDMI interface, Macbook only supports SST mode. Windows supports MST mode.

Why does my laptop charge slowly, and why does it show the ‘Slow charging’ message?

1. Use a high-wattage power adapter. Make sure the dock is connected to a power adapter with sufficient power. Usually, the original adapter of the computer needs a charger of 65W above.

Why is this USB C port not compatible with my laptop?

Your laptop’s built-in USB C port must be a fully functional port that supports data transmission, video display, and PD charging in order to use all the features of our docking station

Does this hub get hot?

The maximum operating temperature of the dock is maintained below 60°C, which is a safe range. Please use it with confidence.

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Description

🖥️ Triple your screens, double your impact — power and speed in one sleek hub!

POWER THROUGH YOUR DAY - 100W USB-C Power Delivery keeps your laptop charged while powering all connected devices without compromise.
UNIVERSAL COMPATIBILITY - Works effortlessly with Windows, Mac, Linux, and popular laptops like ThinkPad, Surface Pro, and XPS.
BLAZING FAST DATA SPEEDS - Dual USB-C and USB-A ports deliver up to 10Gbps transfer rates—move large files in seconds, not minutes.
SLEEK COMPACT AND DURABLE - Premium metal build with a lightweight 240g design fits perfectly on any desk without clutter.
EXPAND YOUR VISUAL WORKSPACE - Seamlessly connect up to three 4K monitors for ultimate multitasking and immersive productivity.

The UGREEN Revodok Pro 308 is an 8-in-1 USB-C docking station designed for professionals who demand high productivity. It supports triple 4K displays (Windows only for triple), offers 100W power delivery to keep your laptop charged, and features ultra-fast 10Gbps data transfer ports. Compatible with a wide range of devices, this compact metal hub transforms your workspace into a powerhouse of connectivity and efficiency.

Specifications

Brand	UGREEN
Manufacturer	Ugreen Group Limited
Model	CM639
Product Dimensions	11 x 19.5 x 2.3 cm; 240 g
Item model number	CM639
Operating System	Windows/Mac OS/Linux
Hardware Interface	HDMI, USB, USB Type C
Compatible Devices	Desktops, Laptops, Smartphones, Tablets
Special Features	upto 10 Gbps transfer speed
Number of items	1
Wattage	100 Watts
Batteries Included	No
Batteries Required	No
Data Transfer Rate	10 Gigabits Per Second
Number of Ports	7
Total USB ports	4
Material	Metal
Manufacturer	Ugreen Group Limited
Country of Origin	China
Item Weight	240 g

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.