HDMI KVM Switch 2 Monitors 2 Computers - Dual 4K@120Hz KVM

In this review of the HDMI KVM Switch 2 Monitors 2 Computers, the bottom line is simple: it is for professionals or power users who need to control two systems with one keyboard and mouse while driving two displays at high refresh and resolution. The biggest reason to buy is its support for dual monitor switching with Ultra HD 4K@120Hz capability and USB 3.0 device sharing, which makes it appealing for video editors, multitasking developers, and anyone who relies on fast peripheral access across two machines.

Key Features

• Dual monitor KVM: Lets one user control two computers using a single keyboard and mouse while each computer can drive two monitors in extended or copy mode.
• 4K@120Hz support: Accepts up to 3840x2160 at 120Hz for crisp motion and high refresh workflows when connected hardware and cables support it.
• USB 3.0 sharing: Four USB 3.0 ports provide up to 5 Gbps transfer speeds so printers, cameras, and external drives can be shared with fast throughput.
• Two switching methods: Switch between computers with either the front panel button or the included wired external button for flexible placement.
• External power design: Includes a 12V/1A adapter so attached USB devices receive a stable powered connection during operation.

Who It's For

This KVM switch is best for users who routinely work across two computers and need both systems displayed on two monitors, such as content creators, office power users, and IT administrators maintaining separate machines. The USB 3.0 ports also make it useful for anyone who needs to share high-speed peripherals without unplugging devices.

It is not for someone with a single-monitor need or users whose laptops or PCs lack two HDMI outputs, since each connected computer requires two HDMI ports for dual-monitor operation. Casual users with basic switching or who expect keyboard hotkey switching should look elsewhere.

Pros & Cons

Pros

• Supports dual-monitor setups with extended and copy modes for flexible workflows.
• High-resolution video up to 4K@120Hz when cables and displays support it.
• Four USB 3.0 ports allow fast sharing of external drives and peripherals between systems.
• Wired external button and panel button provide convenient switching placement options.

Cons

• Requires two HDMI outputs per computer, which many laptops or small PCs may not provide natively.
• Some customers reported mixed functionality in a few units, so a return or replacement may be needed if defects are encountered.

Specifications

Product type	Dual monitor HDMI KVM switch
Video resolution	Up to 3840x2160 at 120Hz (backward compatible)
USB ports	Four USB 3.0 ports (up to 5 Gbps)
Power	External 12V/1A DC adapter
Switching	Front panel button and wired external button
Supported systems	Windows, Mac OS, Linux, Unix (plug and play)

Our Verdict

The HDMI KVM Switch 2 Monitors 2 Computers is a strong choice for users who need true dual-monitor switching and fast USB peripheral sharing. It delivers excellent value when both computers and monitors support dual HDMI outputs and high-resolution HDMI standards, and the external power and wired switch add reliability and convenience for a tidy desktop setup.

Frequently Asked Questions

Does it support 4K@120Hz?
Yes, the switch supports up to 3840x2160 at 120Hz, provided your HDMI cables, monitors, and computers also support 4K@120Hz.

How do I switch between computers?
You can switch using the front panel button or the included wired external button; keyboard hotkeys are not supported.

Can I share USB drives and printers?
Yes, the four USB 3.0 ports share devices such as printers, cameras, scanners, and flash drives between the two computers at up to 5 Gbps.