Model: SM-UHN-4Q-S
from $1,399
The Smart-AVI SM-UHN-4Q is a 4-Port, Quad-Head 4K HDMI KVM Switch designed to manage up to four computer systems from a single console. It supports stunning 4K resolution at 60 Hz (3840 x 2160) across four HDMI displays, making it ideal for professionals requiring high-fidelity video output. This versatile switch features 16 HDMI inputs, 4 USB-B 2.0 inputs, and 4 3.5mm line-in ports for your systems, while the console offers 4 HDMI outputs, dedicated USB-A ports for keyboard and mouse, and additional USB-A 2.0 ports for peripherals. Compatible with Windows, Linux, UNIX, and macOS, the SM-UHN-4Q provides seamless control and robust connectivity for demanding multi-system environments.
Matching your monitor's resolution and refresh rate capabilities with the KVM is crucial, as many budget switches cap out at 4K 30Hz or 1080p. Ensure it supports the exact number of monitors and computers you need. Available from $1,399.
KVM switches require very little electricity and have no consumables. Ownership costs are effectively zero beyond the initial purchase and required cabling.
Common Failure Modes
Port failure or signal degradation over time are the main issues. Active electronic components can sometimes fail, causing blinking displays or dropped USB connections.
Matching your monitor's resolution and refresh rate capabilities with the KVM is crucial, as many budget switches cap out at 4K 30Hz or 1080p. Ensure it supports the exact number of monitors and computers you need.
KVM switches are solid-state and extremely durable. They are usually replaced only when users upgrade to higher resolution monitors that the KVM cannot support.
The Smart-AVI SM-UHN-4Q 4-Port, Quad-Head 4K HDMI KVM Switch is available at bhphoto, starting at $1,399.
KVM switches require very little electricity and have no consumables. Ownership costs are effectively zero beyond the initial purchase and required cabling.
See all KVM Switches
Compare the full selection with specs and pricing.
Links may earn Covala Shopping a commission at no extra cost to you. Prices last verified at time of page load. As an Amazon Associate, Covala Shopping earns from qualifying purchases.