UGREEN USB-C to 4-Port USB 3.0 Hub — CM473 (Model 20841)

The UGREEN CM473 expands a single USB-C port into four USB 3.0 data ports, giving modern slim laptops, tablets, and smartphones the peripheral connectivity they lack. It transfers data at up to 5Gbps and connects via a short fixed USB-C cable, making it a compact desk and travel accessory for users who regularly attach multiple USB-A devices — drives, keyboards, mice, and flash drives — to a USB-C-only host device. The hub suits professionals, students, and mobile workers who need reliable multi-device connectivity without carrying a bulky docking station.

Technical Specifications

Connectivity

Performance

Build and Physical

Compatibility

Use Cases and Applications

Expanding a USB-C laptop for everyday desk use

Many ultrabooks — including the MacBook Air and Dell XPS 13 — ship with one or two USB-C ports and no USB-A ports at all. The CM473 converts a single USB-C port into four USB-A 3.0 connections, allowing a wired mouse, keyboard, USB flash drive, and external hard drive to run simultaneously. At 5Gbps, the hub handles data-intensive peripherals such as external SSDs without creating a bottleneck. Furthermore, the 20cm fixed cable keeps the hub close to the laptop without excess cord on the desk.

Mobile working and travel setups

The compact aluminium body and short fixed cable make the CM473 light enough to carry in a laptop bag without adding meaningful bulk. Remote workers and travellers who use hotel room desks, co-working spaces, or client offices benefit from being able to instantly expand USB connectivity without setting up a full docking station. Connecting a wired mouse, a USB-A flash drive, and a USB headset takes seconds via the hub’s plug-and-play design.

Android OTG workflows

Content creators who shoot on smartphones and need to offload footage or attach a USB keyboard for editing can use the CM473 with any USB-C OTG-enabled Android device. This effectively gives a smartphone the ability to connect up to four USB-A peripherals at once — a keyboard, a flash drive, a card reader, and a USB-A hub extension, for instance — enabling a desktop-style workflow from a mobile device.

External hard drive and high-capacity storage use

The CM473 supports external storage up to 10TB per port and includes a USB-C power supply port to provide stable power to 2.5-inch portable hard drives that draw more current than a single USB port can reliably deliver. Users archiving large video files or running backups to multiple drives simultaneously benefit from the dedicated power input, which prevents the hub from dropping connected drives under sustained load.