UGREEN 55851 DisplayPort KVM Switch for 2 Computers and 2 Monitors

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Product guide

UGREEN 55851 DisplayPort KVM Switch for 2 Computers and 2 Monitors

UGREEN 55851 is a DisplayPort KVM switch for sharing two monitors and four USB ports between two computers. It offers button or desktop-controller switching, but each computer needs two DisplayPort outputs and a USB-A connection.

At a glance

Shares two monitors and four USB ports between two computers. Both monitors display the selected computer, not two computers at once.
The four USB 3.0 ports are listed as three USB-A and one USB-C, with data transfer stated up to 5Gps.
Switch using the unit's button or the desktop controller. Hotkey switching is not supported.
The listing claims DisplayPort 1.4 and support for 8K@60Hz, 4K@120Hz and 4K@240Hz. Actual output depends on the connected computer and display setup.

Price

£64.51Save 28%

Reference price: ~~£89.99~~

Price checked: 12 Nov 2026

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Often bought together

UGREEN Displayport KVM Switch 2 Monitors 2 Computers Support 8K@60Hz | 4 Port USB3.0 KVM Switcher 4K@240Hz DP1.4 KVM Switches

£7.99

Pros and cons

Pros

Can switch two monitors and shared USB peripherals between two computers without repeatedly replugging them.
Includes two switching methods, including a desktop controller for access away from the switch.
The listing describes driver-free use with Windows, Linux and macOS.

Cons

Requires two DisplayPort outputs and one USB-A connection from each computer, which can limit use with laptops or systems lacking those ports.
Does not support hotkey switching or EDID emulation.

Technical specifications

15 specifications

Identity
Brand	UGREEN
Model	55851

Connections and switching
Video connector	DisplayPort
Compatible devices	Monitor, Personal Computer
Number of ports	6
USB data rate	up to 5Gps
Switching methods	one-button switch or desktop controller
Hotkey switching	Hotkey switching is not supported.

Video and compatibility
DisplayPort standard	DP 1.4
Maximum stated resolution and refresh rate	8K@60Hz
Other stated resolution and refresh rates	4K@120Hz /240Hz
Operating systems	Windows /Linux/macOS systems
EDID emulation	It does not support EDID emulation.

Power and physical details
Power configuration	AC adapter
Weight listed	800 Grams

What to know before buying

Listing details to confirm

Each computer must provide two DisplayPort signals and one USB-A signal. Adapters, a docking station or DisplayPort cables may be needed for other output types. The two monitors show only one selected computer at a time. The title claims 8K@60Hz, while an item highlight instead calls out 4K@240Hz and the feature text lists 4K@120Hz /240Hz. Confirm the resolution and refresh rate for your intended setup, as the listing does not reconcile these claims.

What’s in the box

Included

DP KVM switch
2 USB-A cables
Power adapter
Desktop controller
User manual

Who is it for?

A good fit for

People who want to share two DisplayPort monitors and USB peripherals between two computers.
Desk setups where both computers have two DisplayPort outputs and a USB-A connection.
Users who prefer a physical switch or separate desktop controller over keyboard shortcuts.

Less suited to

Setups that need both computers displayed simultaneously across the two monitors.
Computers without two DisplayPort outputs and a USB-A port, unless suitable adapters or a docking station are available.
Users who require hotkey switching or EDID emulation.

UGREEN 55851 DisplayPort KVM Switch for 2 Computers and 2 Monitors · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.1 / 5 · 771 ratings

5 stars64%64%
4 stars13%13%
3 stars7%7%
2 stars4%4%
1 star12%12%

Customer feedback highlights easy setup and positive impressions of build quality, while picture quality, compatibility and switching speed receive mixed reports. Some customers report trouble with MacBook Pro compatibility. This matters especially for buyers relying on high-resolution dual-display output or a particular computer, since the listing's resolution claims are inconsistent and system compatibility alone does not guarantee a specific setup will work.

Positive themes

Customers describe setup as easy and the build as solid.

Negative themes

Some customers report that the switch does not work with MacBook Pro.

Mixed feedback

Picture quality receives mixed feedback, with some positive impressions and reports of misleading visuals.
Compatibility and switching speed receive mixed feedback.

Frequently asked questions

Can the two monitors show different computers at the same time?

No. The listing says both monitors output the selected computer, and cannot display PC1 and PC2 at the same time.

What connections does each computer need?

The listing specifies two DisplayPort outputs and one USB-A connection per computer. It suggests a suitable adapter or docking station if the computer uses another output type.

How can I switch between computers?

Use the switch's button or the desktop controller. Hotkey switching is not supported.

Does the listing confirm 8K at 60Hz and 4K at 240Hz?

It claims 8K@60Hz, while the item highlight calls out 4K@240Hz and the feature text lists 4K@120Hz /240Hz. These details conflict, so confirm the supported mode for your equipment before buying.