Description
The UGREEN CM888 (45155) 7-in-1 Type-C Multifunction Hub is a versatile connectivity solution designed to expand the ports of modern laptops, tablets, smartphones, and gaming devices. It features a USB-C male input with USB 3.2 Gen 1 speeds up to 5Gbps, 4K@60Hz HDR video output, and up to 85W charging support. The hub provides seven useful output connections, including HDMI 2.0, two USB-A 3.0 ports, USB-C 3.0, USB-A 2.0, Gigabit Ethernet, and USB-C PD input. HDMI supports up to 4K@60Hz with HDR, while the RJ45 port delivers Gigabit Ethernet connectivity. With plug-and-play compatibility across Windows, macOS, Linux, and iOS, it is suitable for productivity, entertainment, presentations, and gaming. The compact hub also supports Nintendo Switch, Steam Deck, ROG Ally, and Lenovo Legion Go.
Specifications
| Specification | Details |
|---|---|
| Brand | UGREEN |
| Model | CM888 |
| Part Number | 45155 |
| Type | 7-in-1 Type-C Multifunction Hub |
| Built-in Cable Length | 20 cm |
| Cable Material | Tin-plated copper |
| Conductor | 34 AWG (7/0.06T) |
| USB-C Male Input | USB 3.2 Gen 1, 5Gbps |
| USB-C Video Output | Up to 4K@60Hz HDR |
| USB-C Charging | PD 3.0, up to 85W |
| USB-C PD Female | PD 3.0, up to 100W (20V/5A) |
| HDMI Port | HDMI 2.0 Female |
| HDMI Resolution | Up to 4K@60Hz |
| HDR | Supported |
| USB-A 3.0 | 2 × ports, up to 5Gbps |
| USB-C 3.0 | 1 × port, up to 5Gbps |
| USB-A 2.0 | 1 × port, up to 480Mbps |
| Ethernet | RJ45 Gigabit Ethernet, up to 1000Mbps |
| Ethernet Compatibility | 100M/10M, IEEE 802.3 |
| Video Formats | RGB 8/10/12 bpc, YCbCr 444/422/420 |
| Audio Formats | LPCM, DTS, DTS-HD, Dolby TrueHD, Dolby Digital/Plus, Dolby Atmos |
| Audio Sampling | Up to 192kHz, 24-bit |
| Display Modes | Mirror (A+A), Extend (A+B) |
| Operating Systems | Windows, macOS, Linux, iOS |
| Driver | Plug and Play |
| Supported Gaming Devices | Nintendo Switch, Steam Deck, ROG Ally, Lenovo Legion Go |
| Power Consumption | Approx. 1.42W no-load / 6.18W full-load |
| Operating Temperature | 0°C–40°C |
| Storage Temperature | -10°C–60°C |
| Maximum Surface Temperature | Up to 45.7°C under full load |
| Indicator | White LED |
| Physical Buttons | None |
| VRR Support | Not supported |
| USB-C Extension | Not supported |
| Firmware Upgrade | Supported via Windows tool |
| Charging Standard | USB Power Delivery 3.0 |
Seven-in-One Connectivity
The UGREEN CM888 expands a single USB-C connection into multiple useful ports. It includes HDMI, two USB-A 3.0 ports, one USB-C 3.0 port, USB-A 2.0, Gigabit Ethernet, and USB-C PD input, making it suitable for workstations and portable setups.
4K@60Hz HDR Display
The HDMI 2.0 port supports resolutions up to 4K at 60Hz with HDR. It can be used for presentations, external monitors, streaming, and larger-screen entertainment while supporting both mirror and extended display modes.
High-Speed Data Transfer
Two USB-A 3.0 ports and the USB-C 3.0 port provide transfer speeds of up to 5Gbps. The additional USB-A 2.0 port supports speeds up to 480Mbps, allowing users to connect peripherals such as keyboards, mice, storage devices, and other USB accessories.
Gigabit Ethernet
The integrated RJ45 Ethernet port supports speeds of up to 1000Mbps, with backward compatibility for 100Mbps and 10Mbps networks. It provides a reliable wired networking option for devices that do not have a built-in Ethernet port.
Powerful PD Charging
The hub features a USB-C PD female input supporting up to 100W PD 3.0 charging. When connected to a compatible charger, it can dynamically manage power while providing up to 85W charging to the connected main device.
Wide Device Compatibility
The CM888 is compatible with Windows, macOS, Linux, and iOS devices and works without requiring additional drivers. It also supports popular handheld gaming devices including Nintendo Switch, Steam Deck, ROG Ally, and Lenovo Legion Go.
Advanced Audio and Video Support
The hub supports a wide range of video and audio formats, including RGB and YCbCr video formats, LPCM, DTS, Dolby TrueHD, Dolby Digital/Plus, and Dolby Atmos. Audio sampling is supported up to 192kHz at 24-bit for compatible setups.
