Description
| Specification | Details |
|---|---|
| Brand | UGREEN |
| Model | CM478 |
| Hub Type | 5‑in‑1 USB‑C multifunction adapter |
| HDMI Output | 1 × HDMI (4K @ 30 Hz) |
| USB-A Ports | 1 × USB 3.0 (5 Gbps)- 2 × USB 2.0 (480 Mbps) |
| USB-C Power Delivery Port | Yes- up to 100 W (pass-through) |
| Cable Length | Built-in 20 cm |
| Body Material | Aluminum alloy |
| Compatibility | Windows- macOS- Linux- Chrome OS- iPadOS- Android- etc. |
| Plug-and-Play | Yes |
| Dimensions | Approximately 120 × 28 × 12 mm |
| Weight | Lightweight and portable |
| Colour | Likely grey or silver finish |
UGREEN 5‑in‑1 USB‑C Multifunction Hub – Model CM478
Features and Detailed Information
4K HDMI Output
The hub includes one HDMI port supporting up to 4K resolution at 30 Hz- perfect for connecting laptops or tablets to external monitors- TVs- or projectors with clear- high-definition visuals
High-Speed USB Data Transfer
It features a USB-A 3.0 port with data speeds up to 5 Gbps- ideal for quick file transfers- plus two USB-A 2.0 ports for peripherals such as keyboards- mice- or printers
100 W Power Delivery Port
Equipped with a USB-C PD port that supports up to 100 W pass-through charging- keeping compatible laptops powered while using other ports
Sleek and Durable Design
Constructed from aluminum alloy with a compact form factor and a built-in 20 cm cable- the hub is sturdy- portable- and suitable for both office and travel use
Plug-and-Play Compatibility
No drivers are needed. The CM478 works with Windows- macOS- Linux- Chrome OS- iPadOS- Android- and more—anything with a USB-C port that supports video output
Questions and Answers
Q: Why choose this hub instead of a standard USB splitter?
A: It offers not only multiple USB ports but also 4K display output and fast power delivery- enabling connection to monitors and charging laptops—all in one compact device.
Q: Can I power my laptop while using HDMI and USB devices?
A: Yes. The 100 W PD port allows you to charge your laptop while simultaneously using the other ports.
Q: Are data transfer speeds fast enough for external SSDs?
A: Yes. The USB-A 3.0 port supports up to 5 Gbps- which is more than adequate for high-speed SSDs and large file transfers.
Q: Is it compact enough for travel?
A: Yes. Its slim aluminum casing and short integrated cable make it easy to carry in a laptop bag.
Q: Will it work with my iPad Pro?
A: Yes- if your iPad Pro supports USB-C with video output- this hub can handle display- data- and charging functions.







