UGREEN CM731 USB-C/HDMI KVM Switch, 4K at 60 Hz

UGREEN CM731 is a USB-C/HDMI KVM switch for sharing one monitor and four USB devices between two laptops. It offers button or desktop-controller switching, with listed display modes up to 4K at 60 Hz.

At a glance

Switches one monitor and four USB 3.0 devices between two laptops.
Supports listed display modes up to 4K at 60 Hz, with other resolution and refresh-rate combinations also specified.
Choose between a button on the switch and a desktop controller.

Price

$119.99Save 20%

Reference price: ~~$149.99~~

Price checked: 13 Nov 2026

View offer

Pros and cons

Pros

A single shared keyboard, mouse and other USB peripherals can serve two laptops.
A USB-C port plus three USB-A ports accommodate a mix of peripheral connections.
The supplied feature list offers two switching methods, including a desktop controller.

Technical specifications

11 specifications

Identity
Brand	UGREEN
Model	CM731

Connections and compatibility
Connector types	HDMI, USB-C
Compatible devices	Hard Drive, Keyboard, Laptop, Monitor, Mouse, Printer, USB Flash Drive
USB ports	1 USB C port and 3 USB A ports
Data transfer speed	up to 5Gbps

Display
Maximum listed resolution and refresh rate	4K@60Hz
Other listed display modes	4K@30Hz, 25601440@120Hz, 19201080@240Hz
Listed display features	HDMI 2.0, HDCP2.2/1.4, 3D, CEC, and HDR

Physical details
Colour	black or white
Number of ports	6

What to know before buying

Listing details to confirm

The listing describes a 4-port USB 3.0 peripheral switch but separately states 1 USB C port and 3 USB A ports, while its general port count is 6. The claimed display modes, up to 4K@60Hz, are listing specifications rather than independent performance verification. Customer feedback reports mixed resolution, compatibility, connectivity and switching experiences, including picture stretching or cropping. Check the selected display and laptop connections and confirm the required mode suits your setup.

What’s in the box

Included

USB-C+HDMI KVM switch
USB-C cable, 1 m
HDMI cable, 1 m
USB-A to USB-C data cable, 1.5 m
Desktop controller, 1.5 m
User manual

Who is it for?

A good fit for

People who want to share a monitor and keyboard, mouse or other USB devices between two laptops.
Desk setups that benefit from a physical button or a separate desktop controller for switching.

Less suited to

Setups needing more than two connected computers or more than one shared monitor.
Buyers who require guaranteed compatibility or a specific high-refresh display mode without first confirming their devices and configuration.

UGREEN CM731 USB-C/HDMI KVM Switch, 4K at 60 Hz · photo 2 — Additional product photo 2

Customer reviews on Amazon

3.9 / 5 · 267 ratings

5 stars58%58%
4 stars13%13%
3 stars10%10%
2 stars7%7%
1 star12%12%

Customer feedback highlights ease of setup, functionality, build quality and value, while reports on resolution, compatibility, connectivity and switching are mixed. Some customers describe 2K at 144 Hz working without issues, while others report stretching or cropping. These experiences matter if your setup depends on a particular display mode or consistent switching. The overall rating is mixed rather than uniformly positive.

Positive themes

Customers praise the intuitive setup and functionality.
Feedback also notes solid build quality and good value.

Mixed feedback

Resolution feedback is mixed, including reports of picture stretching or cropping.
Customers describe mixed experiences with compatibility, connectivity and switching speed.

Frequently asked questions

How many laptops and monitors does the CM731 support?

The listing describes switching between two laptops that share one monitor.

What display modes does the listing specify?

It lists up to 4K@60Hz, plus 4K@30Hz, 2560*1440@120Hz and 1920*1080@240Hz. Confirm that the chosen mode is compatible with your laptops, monitor and connections.

How can you switch between laptops?

The listing describes switching with a button on the unit or the included desktop controller.

Which USB ports are provided?

The feature description specifies one USB-C port and three USB-A ports for peripherals, with listed data transfer up to 5Gbps.