
UGREEN-OS 9 in 1 Multifunction Adapter | 90119
The UGREEN CM490 (item 90119) is a 9-in-1 USB-C hub with two HDMI ports, a Gigabit Ethernet port, two USB-A 3.0 ports, one USB 2.0 port, SD and TF card readers, and a USB-C PD charging port. It lets one USB-C cable connect a laptop to two screens, a wired network and your accessories.

Two HDMI ports: Used alone, HDMI 1 outputs up to 4K at 60Hz when the laptop's USB-C port supports DP 1.4. With two screens connected, each HDMI output runs at up to 3840 x 2160 at 30Hz, so you can work across two external displays.

Gigabit Ethernet: The RJ45 port gives a wired network connection at up to 1 Gbps, which is more stable than Wi-Fi for video calls, large downloads and office networks.
USB ports and card readers: Two USB-A 3.0 ports (up to 5 Gbps) handle drives and fast accessories, and a USB 2.0 port suits a keyboard or mouse. The SD and TF slots read camera and phone memory cards directly.
USB-C PD charging port: Connect your laptop's USB-C charger to the PD port to charge the laptop while all the other ports are in use.

Who it's for / Works with
Laptops with a USB-C port that supports video output, such as MacBook and Windows laptops, for a desk setup with two screens, wired internet and accessories.
Good to know
On macOS, two external screens can only show the same picture (mirror mode), because macOS does not support MST; on Windows, the two screens can show different content (extend mode). To get 1 Gbps on the Ethernet port, the router port and the network cable (Cat5e or better) must also support 1 Gbps.
Technical Specifications
| Model | CM490 |
| Item Number | 90119 |
| Input | USB-C |
| HDMI | 2 x HDMI: single screen up to 4K@60Hz (HDMI 1, DP 1.4 source); two screens up to 3840 x 2160@30Hz |
| USB-A | 2 x USB 3.0 (up to 5 Gbps), 1 x USB 2.0 |
| Ethernet | 1 x RJ45, Gigabit (up to 1000 Mbps) |
| Card Readers | 1 x SD, 1 x TF |
| USB-C PD | 1 x charging port |
| macOS | Mirror mode only with two screens |
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