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Cable Matters 20Gbps USB C KVM Switch for 2 Computers, 140W PD Charging
Cable Matters

Cable Matters 20Gbps USB C KVM Switch for 2 Computers, 140W PD Charging

Bottom line: The Cable Matters 20Gbps USB C KVM Switch for 2 Computers ($43.19 on Amazon as of 2026-10-08): USB4 20Gbps link shares one USB-C monitor or TB4 dock between two computers; main trade-off: macOS limited to 4K@60Hz and a single external display.

$43.19

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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.

*Price sourced from Amazon.com. Last updated 2026-10-08. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ USB4 20Gbps link shares one USB-C monitor or TB4 dock between two computers
  • ✓ Up to 8K@30Hz or 4K@144Hz on Windows through a single USB-C/TB4 monitor
  • ✓ 140W PD pass-through charges the active laptop from a USB-C monitor or dock
  • ✓ RF remote switches hosts with no software or drivers to install
  • ✓ Includes two 3.3 ft USB4 cables, a 1.6 ft pigtail and hook-and-loop pads

Cons

  • ✗ macOS limited to 4K@60Hz and a single external display
  • ✗ 20Gbps bandwidth may limit resolution or monitor count vs. a 40Gbps dock
  • ✗ Charges only the active computer, never both at once
  • ✗ Incompatible with docks that have a built-in, non-detachable host cable

Manufacturer description

The Cable Matters 20Gbps USB C KVM Switch lets you share one USB-C monitor, Thunderbolt 4 monitor or docking station between two computers. You switch between them with the included RF remote, and it needs no software or drivers. Plug the 1.6 ft pigtail cable into your display or dock, then run the two included 3.3 ft USB4 20Gbps cables to each laptop. On Windows, a single USB-C or Thunderbolt 4 monitor can run at up to 8K@30Hz or 4K@144Hz. On macOS the limit is 4K@60Hz on one display. Pair the switch with a USB-C/TB4 dock that supports MST and Windows can drive dual or multi-monitor setups…

SpecPicks Verdict

SpecPicks scored Cable Matters 20Gbps USB C KVM Switch for 2 Computers using a rating × review-volume × price-fit model applied to published specs and reviews across the kvm switches category. Cable Matters'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.

Frequently Asked Questions

Can I use my own Thunderbolt 4 cables with this Cable Matters KVM switch?

No. Cable Matters says to use only the two included 3.3 ft USB4 20Gbps cables and not to substitute Thunderbolt 3, 4 or 5 cables.

What is the maximum resolution this USB-C KVM switch supports?

On Windows it supports up to 8K@30Hz or 4K@144Hz on a single USB-C or Thunderbolt 4 monitor. On macOS the maximum is 4K@60Hz.

Will it charge both laptops at the same time?

No. It passes up to 140W of Power Delivery only to the active computer, and only when connected to a USB-C/Thunderbolt monitor or a USB-C PD docking station.

Can I run two monitors through this switch?

On Windows, yes, if you connect it to a USB-C or Thunderbolt 4 dock with MST support. macOS supports one display. The 20Gbps bandwidth may limit monitor count compared with a direct 40Gbps connection.

Which docking stations work with it?

TB4 and USB-C docks with a detachable host cable, such as the CalDigit TS4/Element Hub, Lenovo ThinkPad Universal TB4 (40B0), Plugable TBT4-UDZ/UDX1, OWC 11-Port TB4, Anker 777/778, Satechi TB4 Dock and Kensington SD5780T. Avoid docks with a built-in host cable.

Key Features

  • Compatibility Warning – Cable & Setup Requirements: Use only the included USB4 20Gbps cables. Do not substitute with Thunderbolt 3/4/5 cables. Avoid USB-C docks with built-in (non-detachable) host cables. This switch works with USB4 and Thunderbolt 4 docks, but its 20Gbps bandwidth (vs. 40Gbps docks) may limit display resolution, refresh rate, or number of monitors compared to a direct connection.
  • Ultra-Fast 20 Gbps USB4 /USB-C Switcher for 2 Computers: Instantly share a USB-C monitor or Thunderbolt 4 Monitor or a Thunderbolt docking station between two laptops with this versatile USB C KVM switch. Connect the pigtail cable to your monitor or docking station and the included 3.3ft USB-C/USB4 cables to two computers for seamless device sharing. Achieve lightning-fast data transfer speeds up to 20 Gbps, perfect for large file transfers, high-resolution video streaming, and demanding applications.
  • 8K Video Resolution Support: Experience stunning 8K video output at 30Hz, delivering exceptional clarity and color accuracy for both professional and entertainment use. Supports up to 8K@30Hz / 4K@144Hz on Windows, and 4K@60Hz on macOS when connected to a single USB-C or Thunderbolt 4 monitor. Compatible with popular models including Dell UltraSharp U3224KB, U3425WE, U2723QE, U4025QW, U2720Q, Dell S2722QC, HP E27m G4 QHD USB-C Monitor, HP Z43 42.5-inch 4K UHD Display, HP Z32k G3 4K USB-C Monitor, Lenovo ThinkVision P27h-20, T32p-20, LG 27UN850-W, and LG 32UN880-B.
  • Docking Station Conversion: Share one USB-C or Thunderbolt 4 docking station between two computers and use it like a Thunderbolt KVM switch. For dual or multi-monitor on Windows, choose a USB-C/TB4 dock with MST (macOS supports one display). Compatible with popular TB4 docks with a detachable host cable: CalDigit TS4/Element Hub, Lenovo ThinkPad Universal TB4 (40B0), Plugable TBT4-UDZ/UDX1, OWC 11-Port TB4/Thunderbolt Go, Anker 777/778, Satechi TB4 Dock, Kensington SD5780T, Cable Matters TB4 Dock 107054, TB4 Dock Pro INC006 and more.
  • Convenient RF Remote Control: Functioning as a Thunderbolt 4 switch, it can seamlessly switch between two connected hosts using the included RF remote control, without the hassle of additional software or drivers. Maintain a clean and organized workspace by eliminating the need for extra cables and switches. This flexibility allows for optimal placement of the USB C switcher 2 computers, ensuring it fits perfectly within your workspace setup.
  • 140W Power Delivery Pass-through Charging to the Active Computer: Provides robust power delivery pass-through up to 140W, ensuring fast and efficient charging for your laptops, tablets, and other USB-C devices. This USBC switch not only transfers data at speeds up to USB4 20Gbps but also charges the selected (active) computer when connected to a USB-C / Thunderbolt monitor or a USB-C Power Delivery compatible docking station. This switch does not charge both connected computers at the same time.

Full Specifications

BrandCable Matters
ColorSilver
Cable TypeUSB
Unit Count1 Count
ConnectivityUSB-C
Model Number201352
CompatibilitySwitch, Mac
Built-In Media1x USB-C Switch; 2x 20Gbps USB4 cables (3.3ft); 1x Remote; 2x Hook-and-Loop Pad
Connector TypeThunderbolt 4, USB4
Mfr Part Number201352
Number of Items1
Number of Ports3
Compatible DevicesLaptop, Personal Computer
Complete Package Included1 × USB-C Switch with 1.6 ft pigtail cable (201352), 1 × remote control, 2 × 3.3 ft USB4 20Gbps cables, 2 × hook-and-loop pads, and 1 × user manual
Connector Type Used on CableThunderbolt 4, USB4

Ready to buy?

Cable Matters 20Gbps USB C KVM Switch for 2 Computers, 140W PD Charging is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $43.19

*Price sourced from Amazon.com. Last updated 2026-10-08. Price and availability subject to change.

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