CMSTEDCD

8K HDMI KVM Switch 2 Monitors 2 Computers Dual Monitor Support 8K@60Hz 4K@120Hz KVM Switcher PC Extended Display for 2 Port Share 4 USB 3.0 HUB Desktop Controller and 2 USB Cables Included

Name: 8K HDMI KVM Switch 2 Monitors 2 Computers Dual Monitor Support 8K@60Hz 4K@120Hz KVM Switcher PC Extended Display for 2 Port Share 4 USB 3.0 HUB
Brand: CMSTEDCD
SKU: B0F8T5TMT2

Bottom line: The 8K HDMI KVM Switch 2 Monitors 2 Computers Dual Monitor Support is a specs-and-price decision rather than a crowd-consensus one in the kvm switches category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Before you buy

Check the listed dimensions, connectors and platform compatibility against your setup before ordering
Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

SpecPicks Verdict

SpecPicks scored 8K HDMI KVM Switch 2 Monitors 2 Computers Dual Monitor Support… using a rating × review-volume × price-fit model applied to published specs and reviews across the kvm switches category. CMSTEDCD's kvm switches lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for kvm switches of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

Product usage requirements: 1. Please ensure that both of your computers or laptops have two HDMI output ports and one USB A output port; 2. Please ensure that both of your monitors have one HDMI input port; 3. The KVM switch requires the use of HDMI 2.1-compliant cables no longer than 6 feet in length to ensure proper video signal transmission; Note: HDMI cables are not included in the packaging; please prepare them separately
Product connection steps: Connect PC1 to the two HDMI ports on the KVM switch's PC1IN using two HDMI cables, then connect to the USB3.0 port on PC1IN using a USB-A cable; connect PC2 to PC2IN in the same manner as PC1; connect the two monitors to the KVM's OUTA and OUTB ports using one HDMI cable each; connect the power supply to use; Note: Do not use HDMI-to-DP cables or hubs；It is not compatible with MacBooks
Dual Monitor KVM Switch: This dual display KVM Switch allows you to use a set of keyboard and mouse to control 2 computers, share 4 USB devices and 2 monitors and support copy mode and extension mode (requires your computer to have 2 HDMI port) copy mode: two monitors output the same picture, extender mode: two monitors output different pictures
Stunning Visual Effects: This 8K HDMI KVM switch supports resolutions up to 8K@60Hz and 4K@120Hz, providing an incredible viewing experience with stunningly lifelike images and vibrant colors. It is also backward compatible with 4K60@Hz, 1080P or lower resolutions for compatibility with various HDMI devices
HDMI KVM USB 3.0 Switch: In addition to two HDMI ports, this KVM switch also has four USB 3.0 ports with a data transfer rate up to 5Gbp/s, which is 10 times faster than USB 2.0 ports. USB 2.0 devices are compatible. It can be used to share USB devices such as printers, scanners, webcams, wired or wireless keyboards and mice, and more. Use of high-power USB devices requires use of the supplied 12V power supply. Support Windows/Vista/XP and Mac OS, Linux and Unix and other systems
KVM Switch 2 Switch Mode: HDMI KVM switch 2 in 2 out supports panel button and external wire controller switching, one key to switch between two signal sources. Note: This dual monitor KVM switch requires your computer to have dual graphics cards (2 HDMI output ports) and support copy, extend mode. If your computer only supports a single monitor, this product will not help you get dual monitor functionality. NOTE: Keyboard shortcuts (hotkeys) toggles are not supported

Full Specifications

Brand	CMSTEDCD
Color	Deep Blue
Model	CMSTEDCD-US-SW221(Deep Blue)
Material	Metal
Terminal	Hdmi Usb
Unit Count	1.0 Count
Part Number	CMSTEDCD-US-SW221(Deep Blue)
Switch Type	Push Button
Circuit Type	1-way
Connectivity	Wireless, USB
Contact Type	Normally Open
Control Type	Manual
Actuator Type	Push Button
Compatibility	PC, Switch, Mac, Linux
Material Type	Metal
Mounting Type	Panel Mount
Connector Type	Plug In
Operation Mode	ON-OFF
Connection Type	Wired
Item Dimensions	5.9 x 2.55 x 1.42 inches

Ready to buy?

8K HDMI KVM Switch 2 Monitors 2 Computers Dual Monitor Support 8K@60Hz 4K@120Hz KVM Switcher PC Extended Display for 2 Port Share 4 USB 3.0 HUB Desktop Controller and 2 USB Cables Included is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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