UGREEN CM662 USB 3.0 Switch, 2 Computers to 4 USB Ports

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Product guide

UGREEN CM662 USB 3.0 Switch, 2 Computers to 4 USB Ports

Ports: The UGREEN CM662 USB 3.0 Switch shares connected USB peripherals between two computers, with three USB-A outputs, one USB-C output and switching by button or included remote. It is for sharing USB devices, not video or a display, and switching briefly resets the hub and reconnects attached devices.

At a glance

Switches one shared USB peripheral setup between two computers using the unit's button or the included remote.
Provides three USB-A and one USB-C downstream ports, according to the feature description.
Manufacturer claims transfer speeds up to 5Gbps, with USB 2.0 and 1.1 backward compatibility.
The downstream ports share the uplink bandwidth, so multiple connected devices cannot each use the full 5Gbps at once.

Price

£27.52Save 24%

Reference price: ~~£35.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Four downstream connections include both USB-A and USB-C, which can accommodate a mixed peripheral setup.
The included remote allows switching without reaching the unit.
Two USB-A-to-A cables are listed in the stated box contents.

Cons

Switching cuts power to downstream ports briefly, causing connected devices to reconnect.
It does not carry video and cannot share a monitor between computers.
The manufacturer says a separate 5V/2A power supply is required when many peripherals are connected.

Technical specifications

19 specifications

Identity
Brand	UGREEN
Model	CM662

Ports and control
Inputs and outputs	2 USB-A inputs and 3 USB-A and 1 USB-C output
Data transfer rate claim	up to 5Gbps
USB compatibility	USB 2.0/1.1
Connection listed	USB
Control method listed	Remote
Switching operation	manual

Electrical
Current rating	3 Amps
Operating voltage	5 Volts (DC)
Wattage	10 watts

Dimensions and installation
Mounting type listed	Surface Mount
Dimensions	12.3 x 5.3 x 1.8 centimetres
Weight	0.34 Kilograms

Materials and protection
Material	Aluminium
Colour	Grey
Protection rating listed	IP55

Compatibility
Compatible devices	[Keyboards, Mouse, USB Sticks, Hard Discs, Scanners, Desktop Computers, Laptops]
Supported operating systems	Windows XP/Vista/7/8/8.1/10/11, Linux, Chrome OS, and macOS

What to know before buying

Listing details to confirm

Listing details are inconsistent: the title says 2 inputs and 4 outputs, while the technical connector field lists USB-A, USB-C and a remote-control port without specifying the input/output layout. The feature description specifies two USB-A inputs and three USB-A plus one USB-C outputs. Treat the port layout and listed 3 Amps, 5 Volts (DC), 10 watts and IP55 details as listing claims, not independently verified specifications. A 5V/2A supply is required when many peripherals are connected, and the power port powers USB devices rather than computers. Wireless devices are not suggested because of stated 2.4GHz interference. For a host with USB-C only, the listing says to use a USB-C-to-A adapter with a USB-A-to-A cable, not a direct USB-C-to-A cable.

Who is it for?

A good fit for

People who want to switch USB peripherals between two computers without switching video.
Setups that need three USB-A ports and one USB-C port for shared peripherals.
Users who prefer a remote as an alternative to pressing the switch itself.

Less suited to

Anyone needing HDMI, monitor switching or video output through the switch.
Setups that require separate full-bandwidth 5Gbps connections for multiple downstream devices.
Users who need more USB-C output ports than the single one described.

UGREEN CM662 USB 3.0 Switch, 2 Computers to 4 USB Ports · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 3,026 ratings

5 stars77%77%
4 stars11%11%
3 stars2%2%
2 stars4%4%
1 star6%6%

Customer feedback reports useful switching between two desktop computers and appreciates using shared peripherals across systems. The button is described as easy to use, but feedback is mixed on reliability and ease, with reports of devices stopping or losing connection. Some also want more USB-C ports. These reported concerns matter for a switch whose purpose is dependable reconnection, while its listed single USB-C output is the configuration to consider for a USB-C-heavy setup.

Positive themes

Customers value switching shared peripherals between two computers.
The physical button is reported as convenient.

Negative themes

Some customers report complete loss of connection to computers.

Mixed feedback

Reliability and ease of use receive mixed feedback.
USB port feedback includes requests for more USB-C ports.

Frequently asked questions

Can this switch share a monitor between two computers?

No. The listing states that its interfaces do not support video and that it has no HDMI port. It switches USB peripherals only.

How many computers and USB devices does it connect?

The feature description specifies two USB-A computer inputs and four outputs: three USB-A and one USB-C. The title and some technical details do not fully clarify the port layout, so confirm the selected listing if this is critical.

Does every connected device get 5Gbps?

No. The stated 5Gbps is shared across the uplink and downstream ports. Connecting multiple devices redistributes that bandwidth.

Is an external power supply needed?

The listing says a 5V/2A supply is required when many peripherals are connected. It also says the power port supplies USB devices, not the computers.